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when

英 [wen] 美[wɛn]

英英释义同义词辨析考试真题实用场景例句

conj. 考虑到；既然；当…时；在…时；如果
adv. 什么时候，何时；（用于时间的表达方式之后）在那时；其时；当时
pron. 那时；什么时侯
n. 时间，时候；日期；场合

考试真题

While consumers are spending less on toilet paper, they remain fussy – in theory at least – when it comes to paper quality.

When you can quote a specific number like a fifth of the patients were able to quit, that's compelling.

When we acquire new information, the brain automatically tries to incorporate ( ' , 合并) it within existing information by forming associations.

When people tend to forget.

When it's time to make the leap, they take action and immediately drop what's no longer serving their purpose.

When Leah made the commitment to change, she primed herself to new opportunities she may otherwise have overlooked.

Veiseh can even put a date on when those tapes started recording: 15 December 2000, when he met his first girlfriend at his best friend's 16th birthday party.

This is hard to achieve when, as is now the case in many big firms, a large proportion of staff are temporary contractors.

These extra features are deemed unnecessary by the majority of shoppers, which probably reflects how these types of products are typically more expensive than regular toilet paper, even when on special offer.

The late Richard Hackman of Harvard University once argued, I have no question that when you have a team, the possibility exists that it will generate magic, producing something extraordinary… But don't count on it.

Teamwork is most effective when team members share the same culture.

People with HSAM have the same memory as ordinary people when it comes to impersonal information.

One of the reasons I find this topic very interesting is because my mom was a smoker when I was younger, says Lindson-Hawley, who studies tobacco and health at the University of Oxford.

Leah reflects on one incident that triggered her fears, when her investors threatened to shut her down: I was probably up against the most fear I've ever had, she says.

It's the stage in the middle of the journey when people feel youth vanishing, their prospects narrowing and death approaching.

Environmental protection is not much of a concern when Britons buy toilet paper.

Either way, we have choices about how we respond to it when it comes.

And when we retrieve ( ' , 检索) information, both the desired and associated but irrelevant information is recalled.

A young woman sought explanation from a brain scientist when she noticed her unusual memory.

Zircle reported the attack when she arrived in Nulato, Alaska, in the early hours of the morning.

Whenever she called her parents or other relatives, she always had to think about the time difference so that she wouldn’t wake someone up or call when she knew they were at church.

When he looked closer he realized it was a huge group of bees.

When dogs looked at expressions of angry dogs, their eyes rested more on the mouth, perhaps to interpret the threatening expressions.

When Katherine joined Facebook, some of her classmates at high school started to add her as a friend.

Thousands of bees left a town after landing on the back of a car when their queen got stuck in its boot.

She loved learning about the success of people she knew when she was just a teenager.

If I could go back in history and live when I liked, I wouldn’t go back very far.

His teacher said if he went on like that, his face would get stuck when the winds changed.

Hi, Susan! You’re looking very smart today! There is new data out today that confirms that many Americans are not good at math, and when it comes to everyday technology skills, we are dead last when compare to other developed countries.

But carrots got their biggest boost during the two world wars when food shortages forced people to eat them and governments told everyone how healthy carrots were.

Another thing Katherine loved about Facebook was that she didn’t have to think about time zones when updating family.

And when looking at angry humans, they tended to turn away their gaze.

Advocates of selfdriving cars argue they will be safer than in cars driven by humans because they wouldn’t get distracted or drive when tired.

When your elderly relative needs to enter some sort of long-term care facility—a moment few parents or children approach without fear—what you would like is to have everything made clear.

When you look at attitudes toward driverless cars, there doesn't seem to be a clear generational divide.

When they had lunch in the dining room, they sat alone at the table.

When it is no longer considered a luxury.

When it is made part of kids' education.

When it is made fun and enjoyable to kids.

When it is accessible to kids of all families.

When governments lose their control on power, law and order begin to disintegrate.

What people were like when they came in had greater consequence than what happened once they were there.

Today, when time zones have less and less meaning, there is little tolerance for offices' closing for lunch, and worsening traffic in cities means workers can't make it home and back fast enough anyway.

This is especially interesting when you consider that younger people are generally more interested in travelrelated technologies than older onesWhen it comes to driverless cars, differences in attitude are more pronounced based on factors not related to age.

The trend began in 2007, when leading wheat-exporting countries such as Russia and Argentina limited or banned their exports, in hopes of increasing local food supplies and thereby bringing down domestic food prices.

The philosophy professor says it is as relevant today as when it was first written many centuries ago.

The doer of a good deed can feel spiritually rewarded even when they gain no concrete benefits.

States fail when national governments can no longer provide personal security, food security and basic social services such as education and health care.

Some show up ready, but many do not at this critical time when young brains are developing rapidly.

Some of them begin to decline when people are still young.

Real friendship is when two individuals share the same soul.

Patterns of childhood eating can be hard to break when we're adults, which may mean that kids of depressed moms end up dying younger.

One simple check would be to program a robot to check the correct course of action with a human when presented with an unusual situation.

Many people feel guilty when they cannot find a place other than a nursing home for their parents.

I think what Aesop was suggesting is that when you offer a good turn to another human being, one can hope that that good deed will come back and sort of pay a profit to you, the doer of the good deed.

Hesiod offers an idea—which you very often find in some of the world's great religions, in the Judeo-Christian tradition and in Islam and others—that in some sense, when you hurt another human being, you hurt yourself.

But when the researchers plugged in a number of other variables, such differences disappeared.

But nobody greeted the daughter and mother when they arrived, though the visit has been planned; nobody introduced them to the other residents.

And that the characteristics adult children look for when they begin the search are not necessarily the things that make a difference to the people who are going to move in.

Subjects who learned the games in the morning lost some skills when they played again 12 hours later.

Parents and teachers will tell you not to worry when applying for a place at a university.

Jody has a Ph.D.in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.

Jody has a Ph.D. in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.

Why do some students give up when they encounter difficulty, whereas others who are no more skilled continue to strive and learn? One answer, I soon discovered, lay in people's beliefs about why they had failed.

When turning work into a game, it is necessary to understand what makes games interesting.

When the system thinks it's being jammed, it'll notify you via -94- push alert ( ' , 推送警报).

When employees log in to their computers, they're shown a picture of one of their coworkers and asked to guess that person's name.

When I told a group of school children who displayed helpless behavior that a lack of effort led to their mistakes in math, they learned to keep trying when the problems got tough.

We validated these expectations in a study in which two other psychologists and I monitored 373 students for two years during the transition to junior high school, when the work gets more difficult and the grading -102- more strict, to determine how their mind-sets might affect their math grades.

To enhance morale, one company asks its employees to identify their fellow workers when starting their computers.

They found that the majority of both kids and adults opted for a half-sized portion when combined with a prize.

One argument that you tend to hear a lot from the pro-tipping crowd seems logical enough: the service is better when waiters depend on tips, presumably because they see a benefit to successfully veiling their contempt for you.

Most kids and adults don't actually feel hungry when they eat half of their meal.

Many oil producers built up huge reserve funds when prices were high, so when prices fall they will draw on their reserves to support government spending and subsidies ( ' , 补贴) for their consumers.

It can also be exploitative, especially when used with vulnerable populations.

Consumers have more money in their pockets when they're paying less at the pump.

But as it turns out, waiters see only a tiny bump in tips when they do an exceptional job compared to a passable one.

After such an experience an animal often remains passive even when it can effect change—a state they called learned helplessness.

When the tea is boiled, the drink has a purple color.

When a group of craftsmen expands to include more members, a small craft organization is formed.

Our topic today is about something that foreigners nearly always say when they visit Britain.

If you spend a little time digging for the right part-time jobs, you’ll save yourself time when you find a job that leaves you with enough time to get your school work done, too.

Writers may experience periods of time in their life when they just can't produce anything.

While most people will still probably need, and be, to some extent, clock-timers, task-based timing should be used when performing a job that requires more creativity.

When it's five o'clock, people leave their office.

When good students turn in an essay, they dream of their instructor returning it to them in exactly the same condition, save for a single word added in the margin of the final page: Flawless.

When Jonathan Swift proposed, in 1729, that the people of Ireland eat their children, he insisted it would solve three problems at once: feed the hungry masses, reduce the population during a severe depression, and stimulate the restaurant business.

They work down the list, each task starts when the previous task is completed.

They tend to enjoy the moment when something good is happening, and seize opportunities that come up.

They leave when the clock tells them they're done.

There are two ways to interpret Plutarch when he suggests that a critic should be able to produce a better in its place.

The author was not much surprised when his school teacher marked his essay as flawless.

That was when true criticism, the type that changed me as a person, began.

Shouldn't preparing—and consuming—food be a source of comfort, pride, health, well-being, relaxation, sociability? Something that connects us to other humans? Why would we want to outsource ( ' , 外包 ) this basic task, especially when outsourcing it is so harmful? When I talk about cooking, I'm not talking about creating elaborate dinner parties or three-day science projects.

She criticized me when I included little-known references and professional jargon ( ' , 行话 ).

She cared about me, and my intellectual life, even when I didn't.

Reward all those involved in the debate sufficiently when the goals are reached.

One day, when he went to get his 7-year-old son from soccer practice, his kid greeted him with a downcast face and a sad voice.

My mother, who is just shy of five feet tall, is normally incredibly soft-spoken, but on the rare occasion when she got angry, she was terrifying.

I leaned in to hear her: I can't hear you when you shout at me.

We need very broad participation to fully address the global tragedy that results when countries fail to take into account the negative impact of their carbon emissions on the rest of the world.

The reason is that when carbon is priced, those emissions reductions that are least costly to implement will happen first.

The British traveler Charles Thompson spoke for many Grand Tourists when in 1744 he described himself as being impatiently desirous of viewing a country so famous in history, a country which once gave laws to the world, and which is at present the greatest school of music and painting, contains the noblest productions of sculpture and architecture, and is filled with cabinets of rarities, and collections of all kinds of historical relics.

Middle school is a crucial period when students may become keenly interested in advanced mathematics.

At a time when young beauty shoppers are often turning to Sephora or Ulta instead of department store beauty counters, Macy's hopes Bluemercury will help strengthen its position in the category.

Whether this is right, and if so where and when the ecological axe will fall, is hard to determine with any precision—which is why governments and financial institutions are only beginning to bring such risks into their economic calculations.

When we ask teens to choose a hero, they usually select an older family member rather than a remote public figure.

When this water is used for agricultural irrigation, farmers risk absorbing disease-causing bacteria, as do consumers who eat the produce raw and unwashed.

When the health insurance industry was still cooperating in reform efforts, its trade group offered to provide standardized forms for automated processing.

When I was in high school, dozens in my class alone would have answered differently.

This is really about trying to cut through the confusion that consumers have when they are buying a product and that businesses have when they are selling a product, said Jon Leibowitz, chairman of the commission.

They speak with Mom or Dad when they have a problem.

The revisions come at a time when green marketing is on the rise.

The lawsuits said that the label was misleading because it gave the impression that the products had been certified by a third party when the certification was the company's own.

Some are turning to the Internet, which is cheaper and offers concrete measurements like click-through rates— especially important at a time when marketing budgets are tight.

Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use; not all nations have released up-to-date data, and in any case, emissions from some sectors such as aviation are not included in national statistics.

It is fine and healthy for teens to cultivate their personal interests, and it is good news when young people enjoy harmonious relations with their family and friends.

It is also troubling that voting rates among our youngest eligible voters—18- to 24-year-olds—are way down: Little more than one in four now go to the polls, even in national elections, compared with almost twice that many when 18-year-olds were first given the vote.

Interactive television advertising is successful when incorporated into situation comedies.

In fact, other recent studies have found there has never been a time in American history when so small a proportion of young people have sought or accepted leadership roles in local civic organizations.

For example, only one boy said he would like to be president when he grows up.

As I said, structural unemployment isn't a real problem, it's an excuse—a reason not to act on America's problems at a time when action is desperately needed.

You know, one of the first things I like to tell people when they ask me about the supplements, is that a lot of them are promoted as a cure for your memory, but your memory doesn’t need a cure.

The other thing is that a lot of these supplements aren’t necessarily what they claim to be, and you really have to be wary when you take any of them.

Too many workplace policies effectively prohibit employees from developing a healthy work-life balance by barring them from taking time off, even when they need it most.

The ROWE participants were allowed to freely determine when, where and how they worked – the only thing that mattered was that they got the job done.

It's a dramatic endorsement for a technology most people think about only when their smartphone goes dark.

If going to university doesn't work out, students pay very little--if any--of their tuition fees back: you only start repaying when you are earning ￡21,000 a year.

Harvard Business School professor Leslie Perlow explains that when people feel the pressure to be always on, they find ways to accommodate that pressure, including altering their schedules, work habits and interactions with family and friends.

For example, when asked whether they would buy a new smartphone this year, only 48 percent said yes – a six-point drop from 2015.

But even when employees are given paid time off, workplace norms and expectations that pressure them to overwork often prevent them from taking it.

And when it comes to the hyper-connected super-smart world that technology firms are painting for us, it seems that consumers are growing more uneasy about handing over the massive amounts of consumer data needed to provide the personalized, customized solutions that companies need to improve their services.

When they returned home, their droppings end up all around their nesting sites, including in nearby ponds.

When the molten rock of the earth’s core forced its way to the surface to form the throat of a volcano, as the centuries passed, the rock cooled and hardened, shrinkingand cracking into long columns.

When I teach in classroom, we often end up talking about things like success and what leads to success.

We can’t expect kids to turn off that admiration when the same person is selling sugar.

Today, I’d like to talk about what happens when celebrity role models get behind healthyhabits, but at the same time promote junk food.

The pollutants in the ponds appear to come from fish that fulmars eat when they’re out on the ocean.

The legend says that when seven girls were attacked by bears, they took refuge on top of a small rock, and they appealed to the Rock God for help.

Now what’s interesting about the theory is what do you have if you only have one out of three or two out of three? What do you have and how is it different if you have a different two out of three? What’s interesting about this kind of theorizing is it gives rise to many different combinations that can be quite interesting when you break them down and start to look at them carefully.

And we create opportunity for assessment and intervention, to help clients and communities cope effectively with the reality and change that reality when necessary.

When you hear people speaking of making a rapid transition toward any type of energy, whether it is a switch from coal to nuclear power, or a switch from gasoline-powered cars to electric cars, or even a switch from an incandescent to a fluorescent light, understanding energy system inertia and momentum can help you decide whether their plans are feasible.

When we can't actually remove the source of our fear, we tend to adapt psychologically by adopting a range of defence mechanisms, says Tom Crompton, change strategist for the environmental organisation World Wide Fund for Nature.

When people find they are powerless to change a situation, they tend to live with it.

When investors put up money to build, say, a nuclear power plant, they expect to earn that money back over the planned life of the plant, which is typically between 40 and 60 years.

When a technology is deployed, its impacts reach far beyond itself.

When Nijay Williams entered college last fall as a first-generation student and Jamaican immigrant, he was academically unprepared for the rigors of higher education.

We found that when we taught participants to ask What if? and How can? questions that nobody present would know the answer to and that would spark exploration, they engaged in better inquiry at the next exhibit − asking more questions, performing more experiments and making better inter pretations of their results.

They underestimate themselves when selecting a university, said Dave Jarrat, a marketing executive for Inside Track, a for-profit organization that specializes in coaching low-income students and supporting colleges in order to help students thrive.

Take costs into account when making treatment decisions.

By far the biggest type of momentum that comes into play when it comes to changing our energy systems is economic momentum.

Another type of momentum we have to think about when planning for changes in our energy systems is labor- pool momentum.

When teamsconsist of experienced employees from hierarchical organizations, who have been conditioned to traditional organizational culture, cooperation may not occur naturally, it may need to be created.

The best form of advertising is probably word-of-mouth advertising which occurs when people tell their friends about the benefits of products or services that they have purchased.

He believes that team corporation results when members go beyond their individual capabilities, beyond what each is used to being and doing.

Charles, as a singer, do you ever make yourself cry when you sing? I wonder if you can tell me a little bit about your job as a radio announcer.

"I can't imagine if there's any other acting job in the world where you don't know what show you're in, when you're hired," says voice actor Keythe Farley, who chairs the SAG-AFTRA negotiating committee.

"They underestimate themselves when selecting a university," said Dave Jarrat, a marketing executive for Inside Track, a for-profit organization that specializes in coaching low-income students and supporting colleges in order to help students thrive.

"This is really about trying to cut through the confusion that consumers have when they are buying a product and that businesses have when they are selling a product," said Jon Leibowitz, chairman of the commission.

"We as a society need to understand that, when we don't punish lying, we increase the probability it will happen again," Ariely says.

"What our study suggests is that teenagers learn more quickly and more effectively when their peers are present than when they're on their own,'' Steinberg says.

"When people experience decision fatigue—when they are tired of making choices—they have a tendency to choose to go with the status quo 现状," he says.

"When we can't actually remove the source of our fear, we tend to adapt psychologically by adopting a range of defence mechanisms," says Tom Crompton, change strategist for the environmental organisation World wide Fund for Nature.

A high-tech test that can tell when a person is not telling the truth sounds too good to be true.

A new study from michigan State University, though, argues that all students—including high achievers—see a decline in performance when they browse the Internet during class for non-academic purposes.

About that same time and throughout adulthood, the information you receive, especially when ideas are repeated in association with goals and achievements you find attractive, also refines your attitudes.

Algorithms that were right 95% of the time when they were dealing with a 13,000-image database, for example, were accurate about 70% of the time when confronted with 1 million images.

And now, for the lighter side of the news, Europe is setting an example for the rest of the world, when it comes to food waste.

And she criticizes me in exactly the same way she did when I was first unpublished and I was starting.

And we are less likely to lie when we have moral reminders or when we think others are watching.

And when it comes to the hyper-connected super-smart world that technology firms are painting for us, it seems that consumers are growing more uneasy about handing over the massive amounts of consumer data needed to provide the personalized, customized so

And when something sounds too good to be true, it usually is.

And when we get off the plane, instead of being depleted, we feel recovered and ready to return to the performance zone.

And while the Portuguese took part in the trade, ferrying nuts down the coast along with other goods, by 1620, when English explorer Richard Jobson made his way up the Gambia, the nuts were still peculiar to his eyes.

Another type of momentum we have to think about when planning for changes in our energy systems is labor-pool momentum.

Apple's stance on these issues emerged post-Snowden, when the company started putting in place a series of technologies that, by default, make use of encryption to limit access to people's data.

As constant travelers and parents of a 2-year-old, we sometimes fantasize about how much work we can do when one of us gets on a plane, undistracted by phones, friends, or movies.

At a time when natural history was a valuable tool for discovery, Merian discovered facts about plants and Insects that were not previously known.

Because when the dust settles, people are going robe pretty much what they are.

Brittleness remains a problem when building steel structures in cold conditions, such as oil rigs in the Arctic.

But ￡3,000 trips cannot be justified when the average income for families with children is just over ￡30,000.

But a recent study seems to point to the fact that when matter and anti-matter were first created, there were slightly more particles of matter, which allowed the universe we all live in to form?

But convincing open-minded dairy people is actually not that hard, when you look at the economics.

But decision fatigue goes away when you are making the decision for someone else.

But even when employees are given paid time off, workplace norms and expectations that pressure them to overwork often prevent them from taking it.

But some companies are realizing that placing the burden of recycling entirely on the consumer is not an effective strategy, especially when tossing something away seems like the easiest and most convenient option.

But students who surfed the web during class did worse on their exams regardless of their ACT scores, suggesting that even the academically smartest students are harmed when they're distracted in class.

But surely everyone reading this has had times when you lie in bed for hours, unable to fall asleep because your brain is thinking about work.

But then when you see a picture, the idea finally clicks?

But what happens when new players emerge, who don't have deep roots within the existing culture?

But when our diverse team of researchers from six different disciplines and eight different countries began to review what was known, we were shocked that only a dozen previous studies had been done, including one we ourselves completed on language divers

But when scientists had their subjects play a game一in which they won money by deceiving their partner, they noticed the negative signals from the amygdala began to decrease.

But when two H-bots became imperiled, the robot choked 42 percent of the time, unable to decide which to save and letting them both.

But, he says extreme events become disasters only when people fail to prepare for them.

Charles, as a singer, do you ever make yourself cry when you sing?

Common research has long held that talking themselves through a task helps children learn, although doing so when you'v apparently matured is not a great sign of brilliance.

Dehydration is also a risk when you eat too much protein.

Europeans did not know of them until the 1500s, when Portuguese ships arrived on the coast of what is now sierra Leone.

Even Hillary Clinton says that when it comes to college, Costs won't be a barrier.

Even in June of 2007, when the economy was still moving ahead, job growth was only 132,000, while turnover was 4.7 million!

A strong link is found between two species when a predator sticks to one prey species.

A year ago, when I was awaiting to hear the results of my college applications, I often went to websites for some type of insider look on what college would be like.

A young English teacher saved the lives of 30 students when he took control of a bus after its driver suffered a serious heart attack.

Adjusting to an upright position was quite a challenge, especially when the bones had to support an extra-large skull.

Always remember that your best ideas might come when your head is actually in the clouds.

Amy, as well as her brothers, was given a warm welcome when returning to the village last week.

And if a predator can move on to another species that is easier to find when a prey species becomes rare, the switch allows the original prey to recover.

And now when I look at it, I think her presence in the photo is what makes the image interesting.

And that's exactly what I did when I was fifteen years old.

And the meetings, when do they begin?

And today when I look back, I'm so happy because you never know where life will take you.

And when you do, you'll get back your enthusiasm and love for life.

Anger seems simple when we are feeling it, but the causes of anger are various.

Another possibility is that when there is a lot of talent on a team, some players may make less effort.

As a general rule, all forms of activity lead to boredom when they are performed on a routine basis.

As shown here, Lainey can become excited about reading when presented with literature on topics that interest her, and when the people around her model involvement in the reading process.

As the smallest child of his family, Alex is always longing for the time when he should be able to be independent.

At the beginning, when friends offered to take her through her paces, I declined because I knew they had their own households to deal with.

At the bottom of the paper were these words:" see what you can do when you keep trying? "

At this point, when all the children were willing to share their experiences, I began to learn how to teach.

Athens reached the point when the freedom she really wanted was freedom from responsibility.

Ben, had got in touch, he'd moved to England with his mum when he was three and it had been 13 years since I'd last seen him.

Benjamin west, the father of American painting, showed his talent for art when he was only six years of age.

Betty Byrnes remembered when her mother did not have time to wash all the dishes before an inspection.

But herd immunity works only when nearly the whole herd joins in.

But it can quickly rise to something worse, when everyone starts hitting "reply all" to join in a long and unpleasant conversation.

But more than thirty books came up when I typed in ‘Hollywood comedies'.

But my connection with pandas goes back to my days on a TV show in the mid-1980s, when I was the first western TV reporter permitted to film a special unit caring for pandas rescued from starvation in the wild.

But that is not what many people have in mind when thinking of driverless cars.

But we do think that you can live a more powerful life when you devote some of your time and energy to something much larger than yourself.

But when Dennis Williams received a text that clearly wasn't intended for him, he did something special.

But when he finally reached her, the woman flooded him with questions: "Who are you? What antique shop?" However, when she hung up, she regretted the way she had handled the call.

But when I arrived at the check-in desk at providence, the lady on the desk said: "well, I'm really sorry, I've got some bad news for you-there are no fights from Washington.

But when it comes to embryonic learning (胎教), birds could rule the roost.

But when it's time for bed, you can hardly fall asleep.

But when john reached adulthood, he was better off than his childhood playmates.

But when no one else came forward, Taylor ran to Paris and began doing CPR, "It was scary."

But when you share a story with your friends, you care a lot more how they react.

But you can't be successful when there's a lack of trust in a relationship that results from an action where the wrongdoer takes no responsibility to fix the mistake.

Callie Babbitt and her colleagues at the Rochester Institute of Technology in New York tracked the environmental costs for each product throughout its life – from when its minerals are mined to when we stop using the device.

Children aged 8 to 10 were "starting to feel happy" when others liked their posts.

Dad was 29 when he got his big roles in films.

Dark environments are more likely to encourage overeating, for people are often less self-conscious (难为情) when they're in poorly lit places – and so more likely to eat lots of food.

David Dominoni, of Glasgow university, said that light from street lamps, takeaway signs and homes is affecting the birds' biological clocks, leading to them being wide awake when they should be asleep.

Daydreaming means people think about something pleasant, especially when this makes them forget what they should be doing.

During those six months of hospitalizations, Becky, 12 at the time, adjusted to other adults being in the house when she returned from school.

El nifio sees warm water, collected over several years in the western pacific, flow back eastwards when winds that normally blow westwards weaken.

Even as late as 1870 when their numbers had already become smaller, a flock believed to be 1 mile wide and 320 miles about 515 kilometers long was seen near cincinnati.

Even when her daughter and son asked her to move to san antonio to help their children, she politely refused.

Even when the machines are recycled and the harmful metals removed, the recycling process often is carried out in poor countries, in practically uncontrolled ways which allow many poisonous substances to escape into the environment.

Everyone is supposed to put books back to the shelves when the closing bell is sounded.

Everyone needs a hand when faced with challenges.

Excuse yourself and let the person know you're busy so they can get the hint than when the door is closed, you're not to be disturbed.

Exercise energizes you, so it is more difficult to relax and have a peaceful sleep when you are very excited.

Finally, when we came to the next stop, the boy ran up to the door of the bus.

Five years ago, when I taught art at a school in seattle, I used tinkertoys as a test at the beginning of a term to find out something about my students.

For example, these robots will be able to distinguish when someone is happy or sad.

For example, when I'm writing a textbook, it has become second nature to check a dozen definitions of a key term, which helps me dig into the core and understand its meaning.

For hill, it is impossible not to talk about China as the leading player when discussing fashion.

For some reason, when certain shows switched into a commercial, a loud noise would sound for a few seconds.

Furthermore, as many teachers agree, children understand far more when parents watch TV with them, explaining new words and ideas.

Great things happen when you step out of your comfort zone, and you would be surprised on how many chances exist if you just ask.

Great! I've read it when I was studying in the library last night.

Hannah's place is divided into several areas, providing shelter for people when it is so cold that sleeping outdoors can mean death.

Harvold, who has not passed his driving test, said, "I realized the bus was out of control when I was speaking to the students."

He bought it when he married mum.

He can't help checking even at inappropriate times like when we are eating in a restaurant and I am talking to him! he behaves as if any small amount of boredom can make him feel the need to check his phone even when he knows he shouldn't.

He couldn't return it when it was broken.

He gave himself a new name to hide his identity when he went to carry out the secret task.

He had walked for about a mile when a volunteer searcher found him.

He had wrinkles next to his eyes when he smiled, yet his smile was still as heartwarming as before, the smile of a father who just wanted a good life for his family.

He is a good/devoted/caring/loving father because he was strict with his daughter and encouraged her when she was in trouble.

He lived in a time when the blind couldn't get much education.

Her friends came to help her when the war broke out.

Her times were not exactly impressive, but even so, he sensed there was something trying to get out, something the other coaches had overlooked when they had assessed her and found her lacking.

Herd immunity works well when the whole neighborhood is involved in.

He's my biggest fan, and when you have that in your life you can go a long way.

His strange habit makes sense when you consider that he's an environmental scientist who studies how to reduce litter, including things that fall off garbage trucks as they drive down the road.

His study shows that when robins are exposed to light at night in the lab, it leads to some genes being active at the wrong time of day.

How does the author sound when telling the story?

However, life can be great when you are not busy finding fault with it.

However, Mexicans may use silence when instructions are given by a person in authority rather than be rude to that person by arguing with him or her.

However, studies have shown that when exercise is performed in groups, it's not only great for improving physical health but for psychological health.

However, when Helene and her husband Danny left their home in Vietnam in 1975, they didn't have much money.

However, when it works, it is simply beautiful.

However, when something did interest me, I could become absorbed.

However, when you think about it, small talk is anything but small.

I began to learn this when I had my car crashed.

I didn't expect anything when I handled in my paper to mrs.

I don't have to write down what happened or what technique the author was using when he or she wrote this.

I don't want to have nothing else to fall back on when I can't model my more.

I first met Paul Newman in 1968, when George Roy Hill, the director of Butch Cassidy and the Sundance Kid, introduced us in New York city.

I go back years ago, when we lived in a three-room house, when we got up before daylight and worked till after dark to make ends meet.

I had roast chicken yesterday when I ate out with Shelly.

I hate it when she calls me at work—I'm always too busy to carry on a conversation with her.

I keep practicing even when I'm extremely tired.

I made my way backstage just as/when the great magician was putting on his top hat.

I realized this a day later, when I saw newspaper advertisements for the set at seventy-five dollars less than I had paid.

I started studying ballet when I was six years old.

I still remember visiting a friend who'd lived here for five years and I was shocked when I learnt she hadn't cooked once in all that time.

sexual confusion, economic frustrations , and religious hope-all name together in a decisive moment when he opened the Bible, told his father the first line he saw would settle his fate, and read the magical words:.

When the competitive environment pushed our ancestors to achieve that potential, they could in turn afford more education.

When our ancestors were hunters and gatherers 10,000 years ago, they didn’t have time to wonder much about anything besides finding food.

What is the real relationship between education and economic development? We have to suspect that continuing economic growth promotes the development of education even when governments don’t force it.

Only when humanity began to get its food in a more productive way was there time for other things.

But brain researchers have discovered that when we consciously develop new habits, we create parallel synaptic paths, and even entirely new brain cells, that can jump our trains of thought onto new, innovative tracks.

When one of these noneconomic categories is threatened and, if we happen to love it, we invent excuses to give it economic importance.

Time was when biologists somewhat overworked the evidence that these creatures preserve the health of game by killing the physically weak, or that they prey only on "worthless"species.

We are even farther removed from the unfocused newspaper review published in England between the turn of the 20th century and the eve of World War Ⅱ, at a time when newsprint was dirt-cheap and stylish arts criticism was considered an ornament to the publications in which it appeared.

The IASB says it does not want to act without overall planning, but the pressure to fold when it completes it reconstruction of rules later this year is strong.

Overall, Europe’s wholesale market for food and drink is growing at the same sluggish pace as the retail market, but the figures, when added together, mask two opposing trends.

It is difficult to the point of impossibility for the average reader under the age of forty to imagine a time when high-quality arts criticism could be found in most big-city newspapers.

Demand comes mainly from two sources: independent mom-and-pop grocery stores which, unlike large retail chains, are too small to buy straight from producers, and food service operators that cater to consumers when they don’t eat at home.

When Liam McGee departed as president of Bank of America in August, his explanation was surprisingly straight up.

Of course, the image of parenthood that celebrity magazines like Us Weekly and People present is hugely unrealistic, especially when the parents are single mothers like Bullock.

But in some cases, one marketer’s owned media become another marketer’s paid media – for instance, when an e-commerce retailer sells ad space on its Web site.

When Hoffa’s Teamsters were in their prime in 1960, only one in ten American government workers belonged to a union; now 36% do.

Think of those fleeting moments when you look out of an aeroplane window and realise that you are flying, higher than a bird.

The conflict has been surfacing since 2002, when the corporation bought Vermont’s only nuclear power plant, an aging reactor in Vernon.

The company, a major energy supplier in New England, provoked justified outrage in Vermont last week when it announced it was reneging on a longstanding commitment to abide by the strict nuclear regulations.

That whispered message, half invitation and half forcing, is what most of us think of when we hear the words peer pressure.

When we are deprived of green, of plants, of trees, most of us give into a demoralization of spirit which we usually blame on some psychological conditions, until one day we find ourselves in garden and feel the expression vanish as if by magic.

There is no doubt that gardens evidence an impossible urge to create, express, fashion, and beautify and that self-expression is a basic human urge; yet when one looks at the photographs of the garden created by the homeless, it strikes one that , for all their diversity of styles, these gardens speak of various other fundamental urges, beyond that of decoration and creative expression.

When social scientists do tackle practical issues, their scope is often local: Belgium is interested mainly in the effects of poverty on Belgium, for example.

Vanity is a constant; people will only start shopping more sustainably when they can’t afford not to.

It is also the reason why when we try to describe music with words, all we can do is articulate our reactions to it, and not grasp music itself.

The resulting settlement maps show how the distribution and density of the rural population around the city changed dramatically between AD500 and 850, when Copán collapsed.

The US$3-million Fundamental Physics Prize is indeed an interesting experiment, as Alexander Polyakov said when he accepted this year’s award in March.

How do archaeologists know where to find what they are looking for when there is nothing visible on the surface of the ground? Typically, they survey and sample ( ' , make test excavations on) large areas of terrain to determine where excavation will yield useful information.

But the Nobel Foundation’s limit of three recipients per prize, each of whom must still be living, has long been outgrown by the collaborative nature of modern research—as will be demonstrated by the inevitable row over who is ignored when it comes to acknowledging the discovery of the Higgs boson.

When public opinion is particularly polarised, as it was following the end of the Franco regime, monarchs can rise above “mere” politics and “embody” a spirit of national unity.

They could still invalidate Fourth Amendment protections when facing severe, urgent circumstances, and they could take reasonable measures to ensure that phone data are not erased or altered while a warrant is pending.

The court has ruled that police don’t violate the Fourth Amendment when they sift through the wallet or pocketbook of an arrestee without a warrant.

How does your reading proceed? Clearly you try to comprehend, in the sense of identifying meanings for individual words and working out relationships between them, drawing on your explicit knowledge of English grammar ( ' , 41) you begin to infer a context for the text, for insta4ce, by making decisions about what kind of speech event is involved: who is making the utterance, to whom, when and where.

At a time when Thomas Piketty and other economists are warning of rising inequality and the increasing power of inherited wealth, it is bizarre that wealthy aristocratic families should still be the symbolic heart of modern democratic states.

When we don't understand the value of mental health and we don't know how to gain access to it, mental health will remain hidden from us.

There will eventually come a day when The New York Times ceases to publish stories on newsprint.

The infrastructure required to make a physical newspaper—printing presses, delivery trucks—isn’t just expensive; it’s excessive at a time when online-only competitors don’t have the same set of financial constraints.

So how do we navigate this? How do we know when to invest in an upgrade? And what’s the best way to pull off one that enhances our goals? Here are some tips:.

Nor does it reveal how much companies are banking on the halo effect, rather than the other possible benefits, when they decide their do-gooding policies.

New research suggests that CSR may create monetary value for companies—at least when they are prosecuted for corruption.

Exactly when that day will be is a matter of debate.

But we’re going to have questions like that where we have things we’re doing that don’t make sense when the market changes and the world changes.

But at least they have demonstrated that when companies get into trouble with the law, evidence of good character can win them less costly punishment.

This is a lesson that rich countries can learn : When GDP is no longer regarded as the sole measure of a country’s success, the world looks very different.

The first published sketch, “A Dinner at Poplar Walk” brought tears to Dickens’s eyes when he discovered it in the pages of The Monthly Magazine.

When Shakespeare was twelve years old, the first public playhouse was built in London.

When the EEOB was finished, it was the largest office building in Washington, with nearly 2 miles of black and white tiled corridors.

The data of an individual there gains its value only when it is compared with the data of countless millions more.

The State, War, and Navy Building, as it was originally known, housed the three Executive Branch Departments most intimately associated with formulating and conducting the nation's foreign policy in the last quarter of the nineteenth century and the first quarter of the twentieth century-the period when the United States emerged as an international power.

So when young people are critical of an over-tweeting president, they reveal a mental discipline in thinking skills - and in their choices on when to share on social media.

Among the annoying challenges facing the middle class is one that will probably go unmentioned in the next presidential campaign: What happens when the robots come for their jobs?.

"Our products succeed when they become part of daily or weekly patterns," said Carol Berning, a consumer psychologist who recently retired from Procter and Gamble, the company that sold $76 billion of tide, Crest and other products last year.

"When Dr.Epley and Mr.Schoreder asked other people in the same train station to predict how they would feel after talking to a stranger, the commuters thought their ride would be more pleasant if they sat on their own," the New York times summarizes.

"When I come home from a hard day's work, I often feel tired," Danaher says, adding,"In a world in which I don't have to work, I might feel rather different" - perhaps different enough to throw himself into a hobby or a passion project with the intensity

A deal is a deal-except, apparently,when Entergy is involved.

A more practical goal is to try, to the best of your ability, to be as tolerant and composed as you can when faced with trying situations involving your children.

According to accounts of the experiments, their hourly output rose when lighting was increased, but also when it was dimmed.

Among other weaknesses, the measures cities must employ when left to tackle dirty air on their own are politically contentious, and therefore vulnerable.

Among the annoying challenges facing the middle class is one that will probably go unmentioned in the next presidential campaign: What happens when the robots come for their jobs?

And I felt like that again, to a certain degree, when people responded to the blog so well.

And the stock market reacts positively when companies tie CEO pay to, say, stock prices, a sign that those practices build up corporate value not just for the CEO.

And this becomes more of a problem when colleges don't talk about the class advantages and disadvantages of different groups of students.

As this new science of habit has emerged, controversies have erupted when the tactics have been used to sell questionable beauty creams or unhealthy foods.

At a time when Thomas piketty and other economists are warning of rising inequality and the increasing power of inherited wealth, it is bizarre that wealthy aristocratic families should still be the symbolic heart of modern democratic states.

But brain researchers have discovered that when we consciously develop new habits, we create parallel paths, and even entirely new brain cells, that can jump our trains of thought onto new, innovative tracks.

But in some cases, one marketer's owned media become another marketer's paid media – for instance, when an e-commerce retailer sells ad space on its Web site.

But it can also be antagonistic such as when a political candidate tums toward their competitor during a debate and makes eye contact that signals hostility.

But the Nobel Foundation's limit of three recipients per prize, each of whom must still be living, has long been outgrown by the collaborative nature of modern research—as will be demonstrated by the inevitable row over who is ignored when it comes to ack

But we're going to have questions like that where we have things we're doing that don't make sense when the market changes and the world changes.

But when it came to their houses, it was a time of common sense and a belief that less could truly be more.

But, when one considers the obstacles to achieving the meritocratic ideal, it does look as if a fairer world must be temporarily ordered.

Buying gifts or giving to charity is often more pleasurable than purchasing things for oneself, and luxuries are most enjoyable when they are consumed sparingly.

Competition law as presently interpreted deals with financial disadvantage to consumers and this is not obvious when the users of these services don't pay for them.

Conversations are links, which means when you have a conversation with a new person a link gets formed and every conversation you have after that moment will strengthen the link.

Even when you win, you end up no better off.

Gap year experiences can lessen the blow when it comes to adjusting to college and being thrown into a brand new environment, making it easier to focus on academics and activities rather than acclimation blunders.

Half of the pens would deliver an electric shock when clicked.

How do archaeologists know where to find what they are looking for when there is nothing visible on the surface of the ground?

How do we know when to invest in an upgrade?

However, a comparison with data for weeks when there was no experimentation showed that output always went up on Mondays.

However, when done too often, this habit can sometimes hurt more than it helps.

If we know we will overreact to consumer products or housing options when we see a happy face, we can take a moment before buying.

In fact, the ability to emotionally regulate or maintain emotional control when confronted by stress is one of the most important of all life's skills.

In other words, at a time when the working class has turned the country on its political head, frustrated that the opportunity that once defined America is vanishing, one obvious solution is staring us in the face.

Infants are wired to look at parents' faces to try to understand their world, and if those faces are blank and unresponsive-as they often are when absorbed in a device——it can be extremely disconcerting for the children.

It can't when so many more employers have so much more access to so much more above average cheap foreign labor, cheap robotics, cheap software, cheap automation and cheap genius.

It was argued at the end of the 19th century that humans do not cry because they are sad but they become sad when the tears begin to flow.

It was not until the mid-1980s, when amplifying age and sex differences became a dominant children's marketing strategy, that pink fully came into its own, when it began to seem inherently attractive to girls, part of what defined them as female, at least

Just as some ants farm the bugs called aphids for the honeydew they produce when they feed, so Google farms us for the data that our digital lives yield.

Looking back, he is struck that his parents could provide a comfortable life for their children even though neither had completed college when he was young.

Madrid was hailed as a public health beacon last November when it rolled out ambitious restrictions on the most polluting cars.

Neuroscientist Bonnie Augeung found that the hormone oxytocin increased the amount of eye contact from men toward the interviewer during a brief interview when the direction of their gaze was recorded.

Of course, the image of parenthood that celebrity magazines like US Weekly and People present is hugely unrealistic, especially when the parents are single mothers like Bullock.

A more direct finding is that people who scored high for negative emotions like anxiety looked at others for shorter periods of time and reported more comfortable feelings when others did not look directly at them.

Our findings indicate that people do not only feel different when they are the centre of attention but that their brain reactions also differ.

overall, Europe's wholesale market for food and drink is growing at the same sluggish pace as the retail market, but the figures, when added together, mask two opposing trends.

People are, on the whole, poor at considering back around information when making individual decisions.

Plenty of other species are able to learn, and one of the things they've apparently learned is when to stop.

Scientific publishers routinely report profit margins approaching 40% on their operations, at a time when the rest of the publishing industry is in an existential crisis.

双语例句

1. The best thing to do when entering unknown territory is smile.: 踏入未知地带最好的对策就是微笑。

2. When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.: 当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。

3. Good luck is when an opportunity comes along and you're prepared for it.: 好运就是当机会来临时，你早已做好了准备。

4. If you're lonely when you're alone, you're in bad company.--Jean Paul Sartre: 如果你独处时感到寂寞，说明没有把自己陪好。

5. The turning point in the process of growing up is when you discover the core of strength within you that survives all hurt.: 当你从内心深处找到一种可以忍受一切痛苦的坚强力量时，你的成长历程就会出现飞跃。