Teams of four students make a video illustrating a math problem and its real-world application.
出自-2017年6月阅读原文
Students use forums to chat, play games, and solve problems together at no cost, or they can pay a few hundred dollars to take courses with trained teachers.
出自-2017年6月阅读原文
Students may take advantage of online resources to learn to solve math problems.
出自-2017年6月阅读原文
Middle school is an important age because students have enough math capability to solve advanced problems, but they haven't really decided what they want to do with their lives, said Loh.
出自-2017年6月阅读原文
It's no secret in the advanced-math community that diversity is a problem.
出自-2017年6月阅读原文
Higher-income children are more likely to declare boredom and expect their parents to solve their problems.
出自-2017年6月阅读原文
Failure to address comprehensively the problem of greenhouse gas emissions, however, exposes all generations, present and future, to incalculable risks.
出自-2017年6月阅读原文
Another influential feeder for advanced-math students is an online school called Art of Problem Solving, which began about 13 years ago and now has 15,000 users.
出自-2017年6月阅读原文
After the high-pressure Countdown round at this year's national MathCounts competition, in which the top 12 students went head to head solving complex problems in rapid fire, the finalists for the Math Video Challenge took the stage to show their videos.
出自-2017年6月阅读原文
You will face problems in the aging of the population that have never been faced before.
出自-2017年6月听力原文
In the past, health experts warned us that the day would come in which it would become very difficult to provide medical care for even common problems such as lung infection or severe sour throat.
出自-2017年6月听力原文
Why, then, has this claim become so popular?Part of the answer is that this is what always happens during periods of high unemployment—in part because experts and analysts believe that declaring the problem deeply rooted, with no easy answers, makes them sound serious.
出自-2016年6月阅读原文
To testify to the experts' analysis of America's problems.
出自-2016年6月阅读原文
They speak with Mom or Dad when they have a problem.
出自-2016年6月阅读原文
They need to know if reform will help solve the problem.
出自-2016年6月阅读原文
So it is saying that economic development should make for a cleaner world? Not necessarily; In the industrialised countries, environmental problems are generally related to industrialisation and technological development, it continues.
出自-2016年6月阅读原文
Our problems are structural, and will take many years to solve.
出自-2016年6月阅读原文
In the developing countries, it says, most of the environmental problems are caused by underdevelopment.
出自-2016年6月阅读原文
In other words, structural unemployment is a fake problem, which mainly serves as an excuse for not pursuing real solutions.
出自-2016年6月阅读原文
Here are some of the important proposals in the House and Senate bills to try to address those problems, and why it is hard to know how well they will work.
出自-2016年6月阅读原文
Economists' failure to detect the problems in time.
出自-2016年6月阅读原文
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.
出自-2016年6月阅读原文
And that, fundamentally, is why claims that we face huge structural problems have been multiplying: they offer a reason to do nothing about the mass unemployment that is crippling our economy and our society.
出自-2016年6月阅读原文
A case can be made that rich nations export environmental problems, the most graphic example being climate change.
出自-2016年6月阅读原文
They have little responsibility for public health problems.
出自-2016年12月阅读原文
They hardly pay anything for the problems they have caused.
出自-2016年12月阅读原文
Their behaviors do not tend towards mental problems.
出自-2016年12月阅读原文
Their risky behaviors—drinking too much alcohol, using illegal drugs, smoking cigarettes and skipping school—can alert parents and teachers that serious problems are brewing.
出自-2016年12月阅读原文
The problem isn't the technology itself, but that the technology is being used to create more flexibility for the employer rather than the employee.
出自-2016年12月阅读原文
Teenagers' mental problems are often too conspicuous not to be observed.
出自-2016年12月阅读原文
Teenagers' mental problems are getting more and more attention.
出自-2016年12月阅读原文
Teenagers experiencing psychological problems tend to use a lot of media.
出自-2016年12月阅读原文
Overall, stress-related health problems account for up to 90% of hospital visits, many of them preventable.
出自-2016年12月阅读原文
On the flip side, there are many forced riders, who are suffering from the climate change impacts despite having scarcely contributed to the problem.
出自-2016年12月阅读原文
Mental problems can now be found in large numbers of teenagers.
出自-2016年12月阅读原文
Many hitherto unobserved youngsters may have psychological problems.
出自-2016年12月阅读原文
It sheds new light on how unhealthy behaviors trigger mental health problems.
出自-2016年12月阅读原文
It offers a new treatment for psychological problems among teenagers.
出自-2016年12月阅读原文
It may have found an ideal way to handle teenagers with behavioral problems.
出自-2016年12月阅读原文
In-office wellness programs may help reduce stress levels, but they are hardly an ultimate solution to the problem.
出自-2016年12月阅读原文
In America today, even teenagers suffer from stress, and their problem is even more serious than grown-ups'.
出自-2016年12月阅读原文
Health problems caused by stress in the workplace result in huge public health expenses.
出自-2016年12月阅读原文
Developed nations such as Australia, the United States, Canada, and European countries are essentially climate free-riders: causing the majority of the problems through high greenhouse gas emissions, while incurring few of the costs such as climate change's impact on food and water.
出自-2016年12月阅读原文
Depression and anxiety are the most common symptoms of mental problems.
出自-2016年12月阅读原文
Consumers are often hesitant to try smart-home devices because they are worried about compatibility problems.
出自-2016年12月阅读原文
Companies that have long focused on hardware now have to think of ecosystems instead to give consumers practical solutions to their everyday problems.
出自-2016年12月阅读原文
The purpose of today’s lecture, as you have seen from the title and the abstract, is to examine in more detail the problems facing small- and medium-sized enterprises which arise at least in part from having to adapt to rapid advances in technology.
出自-2016年12月听力原文
People who live, hunt or fish near bird coloniesneed to be careful, the researchers say, The birds don’t mean to cause harm, but the chemicals they carry can cause major problems.
出自-2016年12月听力原文
The problem with lighting, if it arises, often doesn't lie in light sources but in their applications.
出自-2015年12月阅读原文
Students are not able to apply prior knowledge to new problems.
出自-2015年12月阅读原文
It results from society's failure to tackle the problem.
出自-2015年12月阅读原文
If the Thames were lapping around Big Ben, Londoners would face up to the problem of emissions pretty quickly.
出自-2015年12月阅读原文
Despite this problem, many students are still drawn to these institutions—and two-year schools in particular.
出自-2015年12月阅读原文
But the most pervasive problem is less obvious: our own behaviour.
出自-2015年12月阅读原文
Although a team may be composed of knowledgeable people, they must learn new ways of relating and working together to solve cross-functional problems.
出自-2015年12月听力原文
Actually, it has to translate into more urgency to deal with the climate change problem and reduce emissions.
2016年6月六级真题(第一套)听力 Section C
After all, students making their own choices in this respect is what caused the problem in the first place.
2018年6月六级真题(第一套)阅读 Section C
Analysts say the biggest problem is high unemployment, which weakens demand and makes banks reluctant to lend.
2016年6月六级真题(第二套)听力 Section C
Brittleness remains a problem when building steel structures in cold conditions, such as oil rigs in the Arctic.
2019年6月六级真题(第三套)阅读 Section A
But Ruel says scientific consensus alone will not solve the problem.
2015年12月六级真题(第一套)听力 Section C
Despite this problem, many students are still drawn to these institutions — and two-year schools in particular.
2015年12月六级真题(第三套)阅读 Section B
Hogg says that scooping is less of a problem than many think.
2017年12月六级真题(第二套)阅读 Section B
I think it's a problem because you're not giving equal access to education to everybody.
2016年6月六级真题(第二套)听力 Section A
If we want to fix the problem of the income gap, first we have to understand it.
2018年12月六级真题(第一套)听力 Section C
In fact, when Twenge previously used this data to suggest a screen time effect, some commentators were quick to raise this problem.
2019年12月六级真题(第一套)阅读 Section B
In the flip side, there are many \forced riders\, who are suffering from the climate change impacts despite having scarcely contributed to the problem.
2016年12月六级真题(第二套)阅读 Section C
Less inherently interpersonal subjects, such as math, could acquire a social aspect through team problem solving and peer tutoring.
2018年6月六级真题(第二套)阅读 Section B
Many are having the same problem that newspapers have had.
2019年6月六级真题(第一套)阅读 Section B
One major cause of this problem is the confusion over food expiration labels, which are currently not regulated by the government.
2017年12月六级真题(第一套)听力 Section A
One problem with grass-fed products is that they are usually more expensive than conventional ones.
2019年12月六级真题(第三套)阅读 Section B
Part of the answer is that this is what always happens during periods of high unemployment—in part because experts and analysts believe that declaring the problem deeply rooted, with no easy answers, makes them sound serious.
2016年6月六级真题(第三套)阅读 Section C
Part of the problem is that almost two decades after Amazon filed the one-click patent, the online retail shopping and buying experience is filled with frictions.
2019年6月六级真题(第一套)阅读 Section B
Researchers have found not just a diversity problem in Hollywood, but actually an inclusion crisis.
2017年12月六级真题(第二套)听力 Section B
So, despite all the talk about drone deliveries to your doorstep, all the retail executives expressing anxiety over consumers going online, and even a Presidential candidate exclaiming that Amazon has a \ huge antitrust problem, \ the Census data suggest
2019年6月六级真题(第一套)阅读 Section B
So, one problem with stereotypes is while we are good at drawing conclusions from them, often our information isn't reliable.
2017年12月六级真题(第二套)听力 Section C
That's not necessarily a problem, that's progress.
2017年12月六级真题(第一套)阅读 Section B
The airport looks exactly like every other major modern airport in Europe, except for one big problem.
2019年12月六级真题(第二套)听力 Section C
The only problem with trackers is that it takes up a lot of your time.
2016年6月六级真题(第二套)听力 Section A
The open-data shift poses a confusing problem for junior researchers.
2017年12月六级真题(第二套)阅读 Section B
The problem is \decision fatigue, '' a psychological phenomenon that takes a toll on the quality of your choices after a long day of decision making, says Evan Polman, a leading psychologist.
2018年6月六级真题(第三套)阅读 Section C
The problem isn't the technology itself, but that the technology is being used to create more flexibility for the employer rather than the employee.
2016年12月六级真题(第一套)阅读 Section B
The problem was that I barely knew anything about 3D printing, and I had only nine months to figure out how to print five fashionable looks.
2016年12月六级真题(第二套)听力 Section C
This is not only a problem in developing countries.
2017年6月六级真题(第二套)听力 Section C
We believe that at least part of the problem lies in places other than the interaction between scientists and members of the media, and exists because for one thing we underestimate how difficult it is for scientists to communicate effectively with a dive
2018年12月六级真题(第三套)阅读 Section C
We have to basically achieve there— the commitment to deal with the problem now.
2016年6月六级真题(第一套)听力 Section C
You see there is a problem with the exchange rates.
2015年12月六级真题(第二套)听力 Section A