Interest in elite high school math competitions has grown in recent years, and in light of last summer's U.S. win at the International Math Olympiad ( ' , IMO)—the first for an American team in more than two decades— the trend is likely to continue.
出自-2017年6月阅读原文
In the past decade, even as income inequality has grown, some of the socioeconomic differences in parenting, like reading to children and going to libraries, have narrowed.
出自-2017年6月阅读原文
For example, the United Nations Children's Fund estimates that some 11 million children in Africa face hunger, disease, and water shortages as a result of the strongest El Ni o ( ' , 厄尔尼诺) weather phenomenon in decades.
出自-2017年6月阅读原文
This proposal could save Medicare more than $100 billion over the next decade.
出自-2016年6月阅读原文
The study found that strong teachers in the fourth through eighth grades raised the skills of their students in ways that would last for decades.
出自-2016年6月阅读原文
Nearly a decade ago it was predicted that viewers of Friends, a popular situation comedy, would soon be able to purchase a sweater like Jennifer Aniston's with a few taps on their remote control.
出自-2016年6月阅读原文
More than a decade later, there was no sign of the ecosystem re-building itself.
出自-2016年6月阅读原文
It estimated that step would save hundreds of billions of dollars over the next decade.
出自-2016年6月阅读原文
Interactive television advertising has been under debate for the last decade or so.
出自-2016年6月阅读原文
Researchers have been studying this group of children for decades now.
出自-2016年6月听力原文
What happens to the centralized electric grid, which took decades and billions of dollars to build, as more and more people become prosumers, who produce and consume their own energy on-site?No one knows which – if any – battery technology will ultimately dominate, but one thing remains clear: The future of energy is in how we store it.
出自-2016年12月阅读原文
More than a century has passed since explorers raced to plant their flags at the bottom of the world, and for decades to come this continent is supposed to be protected as a scientific preserve, shielded from intrusions like military activities and mining.
出自-2016年12月阅读原文
By the end of the decade, it's expected to be worth over $50 billion and generate 160 gigawatt-hours, enough to attract the attention of major companies that might not otherwise be interested in a decidedly pedestrian technology.
出自-2016年12月阅读原文
But advances in technology might make Antarctica a lot more accessible three decades from now.
出自-2016年12月阅读原文
Annual fees have risen from £1,000 to £9,000 in the last decade, but contact time at university has barely risen at all.
出自-2016年12月阅读原文
And if you suspected that the workplace had gotten more stressful than it was just a few decades ago, you're right.
出自-2016年12月阅读原文
More than a decade ago, cognitive scientists John Bransford and Daniel Schwartz, both then at Vanderbilt University, found that what distinguished young adults from children was not the ability to retain facts or apply prior knowledge to a new situation but a quality they called preparation for future learning.
出自-2015年12月阅读原文
Another decade or two and it could go mainstream.
出自-2013年12月阅读原文
Just over a decade into the 21st century, women's progress can be celebrated across a range of fields
出自-2013年12月阅读原文
Each group over the coming decades will need to address different issues surrounding food production, storage and transportation, as well as consumer expectations, if we are to continue to feed all our people.
出自-2013年12月阅读原文
About 70% of this is consumed by the global agriculture sector, and the level of use will continue to rise over the coming decades
出自-2013年12月阅读原文
Apple stands to win as well, hooking more young consumers with decades of technology purchases ahead of them.
出自-2013年6月阅读原文
It has been running for several decades.
出自-2012年6月阅读原文
But while much of the research and innovation has concentrated on finding less-polluting energy alternatives, it may be decades before clean technologies like wind and solar meet a significant portion of our energy needs
出自-2012年6月阅读原文
Just a few decades ago, Asia's two giants were stagnating(停滞不前) under faulty economic ideologies.
出自-2012年6月阅读原文
When viewed at the national level, the policy interventions of the past decade have helped transform the performance of UK universities.
出自-2011年12月阅读原文
Why is it even interested in all those out-of-printlibrary books, most of which have been gathering dust on forgotten shelves for decades?
出自-2011年12月阅读原文
That is not surprising: politicians with an eye on the next election will hardly rush to introduce unpopular measures that may not bear fruit for years, perhaps decades.
出自-2010年12月阅读原文
That may be because they have had plenty of younger ones to choose from, partly thanks to the post-war baby-boom and partly because over the past few decades many more women have entered the labour force, increasing employers' choice
出自-2010年12月阅读原文
But over the next few decades labour forces in rich countries are set to shrink so much that inflows of immigrants would have to increase enormously to compensate: to at least twice their current size in western Europe's most youthful countries, and three times in the older ones.
出自-2010年12月阅读原文
In the decades to 2050, America will find itself playing an ever-increasing role in the developed world's defence effort
出自-2010年12月阅读原文
So we have a great amount of time for leisure than in decades past.
出自-2014年6月听力原文
Vladimir Mironov has been working for a decade to grow meat.
出自-2012年6月听力原文
A decade ago, this island's ecosystem was in chaos.
2018年12月六级真题(第三套)阅读 Section A
Annual fees have risen from £1,000 to £9,000 in the last decade, but contact time at university has barely risen at all.
2016年12月六级真题(第三套)阅读 Section C
By the end of the decade, it's expected to be worth over $50 billion and generate 160 gigawatt-hours, enough to attract the attention of major companies that might not otherwise be interested in a decidedly pedestrian technology.
2016年12月六级真题(第一套)阅读 Section C
More than a decade ago, cognitive scientists John Bransford and Daniel Schwartz, both then at Vanderbilt University, found that what distinguished young adults from children was not the ability to retain facts or apply prior knowledge to a new situation b
2015年12月六级真题(第二套)阅读 Section C
Nearly a decade ago it was predicted that viewers of \Friends\, a popular situation comedy, would soon be able to purchase a sweater like Jennifer Aniston's with a few taps on their remote control.
2016年6月六级真题(第三套)阅读 Section C
The big questions are which, if any, of the large traditional retailers will still be on the scene in a decade or two because they have successfully reinvented themselves, which new players will operate busy stores on Main Streets and maybe even in shoppi
2019年6月六级真题(第一套)阅读 Section B
They typically appear about once in a decade.
2018年12月六级真题(第二套)听力 Section B
When I re-entered the full-time workforce a few years ago after a decade of solitary self-employment, there was one thing I was looking forward to the most: the opportunity to have work friends once again.
2019年6月六级真题(第三套)阅读 Section C
Whereas now, as I near the end of my fourth decade, I realize work can be fully functional and entirely fulfilling without needing to be best mates with the people sitting next to you.
2019年6月六级真题(第三套)阅读 Section C