- 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