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They tend to decline in people's later years.

出自-2016年6月阅读原文

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

出自-2016年6月阅读原文

Some diseases inevitably lead to their decline.

出自-2016年6月阅读原文

Our continuing failure to deal with the environmental declines that are undermining the world food economy forces me to conclude that such a collapse is possible.

出自-2016年6月阅读原文

In general, Salthouse and his colleagues found, certain aspects of cognition ( ' , 认知能力) generally started to decline in the late 20s to 30s.

出自-2016年6月阅读原文

In a multi-state study of assisted living , for instance, University of North Carolina researchers found that a host of variables—the facility's type, size or age; whether a chain owned it; how attractive the neighborhood was—had no significant relationship to how the residents fared in terms of illness, mental decline, hospitalizations or mortality.

出自-2016年6月阅读原文

Declining mental function is often seen as a problem of old age, but certain aspects of brain function actually begin their decline in young adulthood, a new study suggests.

出自-2016年6月阅读原文

By following individuals over time, Salthouse said, we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline.

出自-2016年6月阅读原文

As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.

出自-2016年6月阅读原文

How can I help you?The massive decline in sleep happened so slowly and quietly that few seemed to notice the trend.

出自-2016年6月听力原文

The implication is a sharp decline in global trade, which has plunged partly because oilproducing nations can't afford to import as much as they used to.

出自-2016年12月阅读原文

I designed an eight-session workshop for 91 students whose math grades were declining in their first year of junior high.

出自-2016年12月阅读原文

The number of British films being made has declined in the past few years, according to new figures.

出自-2015年12月听力原文

Mass market paperbacks, which have been declining for years anyway, will probably disappear, as will hardbacks for mysteries, thrillers, "romance fiction," etc.

出自-2014年6月阅读原文

when nearly one-quarter of the workforce was unemployed, the divorce rate had declined by around 25% from 1929 But this doesn't mean people were suddenly happier with their marriages.

出自-2012年6月阅读原文

Students' performance declined

出自-2012年6月阅读原文

By following individuals over time," Salthouse said, "we gain insight in cognition changes, and may possibly discover ways to slow the rate of decline."

2016年6月四级真题（第一套）阅读 Section C

In a multi-state study of assisted living, for instance, University of North Carolina researchers found that a host of variables—the facility's type, size or age; whether achain owned it; how attractive the neighborhood was—had no significant relationship

2016年6月四级真题（第三套）阅读 Section B

Perhaps most exciting is research that suggests that crafts like knitting and crocheting may help to keep off a decline in brain function with age.

2017年12月四级真题（第三套）阅读 Section B

The decline in interest in literary fiction is also one of the causes identified by Leslie.

2017年12月四级真题（第二套）阅读 Section B

The implication is a sharp decline in global trade, which has plunged partly because oil-producing nations can't afford to import as much as they used to.

2016年12月四级真题（第一套）阅读 Section C

The massive decline in sleep happened so slowly and quietly that few seemed to notice the trend.

2016年6月四级真题（第一套）听力 Section C

What has changed, instead, is the relative share adopting different ways of living in early adulthood, with the decline of romantic coupling pushing living at home to the top of a much less uniform list of living arrangements.

2019年6月四级真题（第二套）阅读 Section B

Natural gas and coal—also fossil fuels—have similarly seen price declines that look to be long-lived.

出自-2017年6月阅读原文

About 80% of our company's year-over-year declines in comparable sales can be attributed to shortfalls ( ' , 短缺) in cold-weather goods, said chief executive Terry Lundgren in a press release.

出自-2017年6月阅读原文

Perhaps the best example of boom growth and bust decline is the Grand Banks fishery.

出自-2016年6月阅读原文

From other sources, we also know teenage crime, drug abuse and premarital sex are in general decline.

出自-2016年6月阅读原文

Patrick Belser, an International Labour Organization specialist says declining wage rates are linked to the levels of unemployment.

出自-2016年6月听力原文

Cognitive decline is the loss of ability to learn new skills, or recall words, names, and faces that is most common as we age.

出自-2016年6月听力原文

A new study has failed to find any conclusive evidence that lifestyle changes can prevent cognitive decline in older adults.

出自-2016年6月听力原文

The market demand for electronic devices is now either declining or not growing as fast as before.

出自-2016年12月阅读原文

Premature death rates resulting from smoking have declined.

出自-2016年12月阅读原文

It has tens the decline of the written word.

出自-2014年6月阅读原文

Down that path lies economic decline.

出自-2013年12月阅读原文

Fully developed, mature, post-industrial societies, such as those in Europe, characterised by stable or declining populations which are increasing in age.

出自-2013年12月阅读原文

Late-stage developing nations that are currently industrialising rapidly, for example China, which will experience declining rates of population growth, coupled with increasing affluence (富裕）and age profile

出自-2013年12月阅读原文

The decline started in the 1950s, when manufacturing generated a sturdy 28% of the national income, or gross domestic product, and employed one-third of the workforce.

出自-2013年6月阅读原文

That's one explanation for the decline in traditional craftsmanship

出自-2013年6月阅读原文

Manufacturing's shrinking presence undoubtedly helps explain the decline in craftsmanship, if only because many of the nation's assembly line workers were skilled in craft work, if not on the job then in their spare time.

出自-2013年6月阅读原文

Though the decline started in the 1970s, it became much steeper beginning in

出自-2013年6月阅读原文

What does the author say is a factor contributing to the decline in traditional craftsmanship?

出自-2013年6月阅读原文

percent, as 598000 jobs were slashed from US payrolls in the worst single-month decline since December.

出自-2013年6月阅读原文

From December 1928 to December 1929, total household wealth declined only 3%.

出自-2013年6月阅读原文

That these huge declines didn't lead to depression mainly reflects, as Romer argues, countermeasures taken by the government.

出自-2013年6月阅读原文

Over the past two years, the figures on imports and exports seem not to signal a double-dip recession – a renewed decline in the broad level of economic activity in the United States – but an economic expansion.

出自-2011年12月阅读原文

At the same time, perhaps inevitably, the humanities—while still popular in elite colleges and universities—have experienced a significant decline.

出自-2010年12月阅读原文

What accounts for the significant decline in humanistic studies today

出自-2010年12月阅读原文

Obama's popularity may decline as time passes by.

出自-2010年6月阅读原文

He declines to join the gardening club.

出自-2012年12月听力原文

Decline the invitation as early as possible.

出自-2012年6月听力原文

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.

2018年12月六级真题（第二套）阅读

Across the developed world, ear use is in decline as more people move to city centers, while young people especially are opting for other means of travel.

2019年12月六级真题（第二套）阅读 Section A

But around 2012 these measures started to decline.

2019年12月六级真题（第一套）阅读 Section B

Cambridge scientist Peter Wadhams who's been measuring and monitoring the Arctic since 1971, says the decline is irreversible.

2016年6月六级真题（第一套）听力 Section C

However, given that there is at least some evidence for positive effects from some of these lifestyle changes, plus other benefits apparently unrelated to cognitive decline, Burke was willing to offer some recommendations.

2016年6月六级真题（第二套）听力 Section C

I suspect that some experts in the field will be keen to address alternative explanations, such as unassessed variables playing a role in the well-being decline.

2019年12月六级真题（第一套）阅读 Section B

I think that by having people adopt a healthy lifestyle, both from a medical standpoint as well as nutritional and cognitive stimulation standpoint, we can reduce the incidence of cognitive decline, which will be proof that these factors are, in fact, imp

2016年6月六级真题（第二套）听力 Section C

James Burke of Duke University is one of the authors of a study reviewing previous research on cognitive decline.

2016年6月六级真题（第二套）听力 Section C

Now a new study has provided another contribution to the debate, uncovering strong evidence that adolescent well-being in the United States really is experiencing a decline and arguing that the most likely cause is the electronic riches we have given them

2019年12月六级真题（第一套）阅读 Section B

Researchers are already asking if motor vehicle use has reached its peak and will decline, but transport planners have yet to catch up with this trend, instead of laying new roads to tackle traffic jams.

2019年12月六级真题（第二套）阅读 Section A

So the researchers looked at time spent in a number of activities that could plausibly be driving the well-being decline.

2019年12月六级真题（第一套）阅读 Section B

The dataset they used did not include economic data, so instead the researchers looked at whether the 2013-16 well-being decline was tracking economic indicators.

2019年12月六级真题（第一套）阅读 Section B

The decline in American Indian languages has historical roots.

2016年6月六级真题（第一套）听力 Section B

The expert review also found insufficient evidence to recommend any drugs or dietary supplements that could prevent or slow cognitive decline.

2016年6月六级真题（第二套）听力 Section C

The quite dramatic unemployment figures, which we now see in some of the countries, strongly suggest that there will be greater pressure on wages in the future, as more people will be unemployed, more people will be looking for jobs and the pressure on em

2016年6月六级真题（第二套）听力 Section B

The researchers also note the recession hit some years before we see the beginning of the well-being drop, and before the steepest well-being decline, which occurred in 2013.

2019年12月六级真题（第一套）阅读 Section B

The sudden decline in foot traffic in recent years, even though it hasn't been accompanied by a massive decline in physical sales, is a critical warning.

2019年6月六级真题（第一套）阅读 Section B

Unfortunately, activities involving direct contact with people, which contributed to better well-being were found to be on the decline.

2019年12月六级真题（第一套）阅读 Section B

A great decline in young work force is likely to occur in China, for instance.

2017年高考英语江苏卷 任务型阅读 原文

After all, many older people don't begin to experience physical and mental decline until after age 75.

2015年高考英语广东卷 完形填空 原文

Although her description sounded wonderful, the price was beyond our range, so we declined.

2015年高考英语天津卷 完形填空 原文

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.

2015年高考英语浙江卷 阅读理解 阅读D 原文

But before they can be assured, more efforts must be made, because the population of the crane in the wild is on the decline, and many other species appear headed toward extinction.

2019年高考英语江苏卷 完形填空 原文

But during the past decade declining rainfall has allowed him to plant highly profitable crops.

2017年高考英语江苏卷 阅读理解 阅读D 原文

But the amount of time spent in reading each session has declined, from closer to an hour or more to closer to a half hour per session.

2018年高考英语全国卷2 阅读理解 阅读C 原文

But while increasing health was a typical feature of the 20th century, declining birth rate could be a defining one of the 21st.

2017年高考英语江苏卷 任务型阅读 原文

Even chimp mothers regularly decline to share food with their children.

2016年高考英语江苏卷 阅读理解 阅读B 原文

Even this increase could sink some islands, worse drought (干旱) and drive a decline of up to a third in the number of species.

2016年高考英语上海卷 阅读理解 阅读B 原文

Explain why the number of certain species has declined.

2015年高考英语浙江卷 阅读理解 阅读C 选项

For football and basketball, adding talented players to a team proves a good method, but only up to the point where 70% of the players are top talent; above that level, the team's performance begins to decline.

2019年高考英语北京卷 阅读理解 七选五 原文

In recent years, many writers have begun to speak the 'decline of class' and 'classless society' in Britain.

2015年高考英语广东卷 阅读理解 阅读D 原文

In the sierra high country, the number of big trees has fallen by more than 55 percent; in parts of southern California the decline was nearly 75 percent.

2019年高考英语浙江卷 阅读理解 阅读C 原文

Keith Robinson, the author of the study, said, "I really don't know if the public is ready for this but there are some ways parents can be involved in their kids' education that leads to declines in their academic performance."

2015年高考英语陕西卷 阅读理解 阅读B 原文

Many factors contributed to the decline, said Patrick Mclntyre, an ecologist who was the lead author of the study.

2019年高考英语浙江卷 阅读理解 阅读C 原文

Of the nineteen recognized polar bear subpopulations, three are declining, six are stable, one is increasing, and nine lack enough data.

2019年高考英语全国卷I 语法填空 原文

Phytoplankton play a declining role in the marine ecosystem.

2019年高考英语北京卷 阅读理解 阅读D 选项

The number of trees larger than two feet across has declined by 50 percent on more than 46, 000 square miles of California forests, the new study finds.

2019年高考英语浙江卷 阅读理解 阅读C 原文

While the decline over the past decade is steep for teen readers, some data in the report shows that reading remains a big part of many children's lives.

2018年高考英语全国卷2 阅读理解 阅读C 原文

Of all the changes that have taken place in English-language newspapers during the past quarter-century,perhaps the most far-reaching has been the inexorable decline in the scope and seriousness of their arts coverage.

出自-2010年考研阅读原文

And though print ad sales still dwarf their online and mobile counterparts, revenue from print is still declining.

出自-2016年考研阅读原文

Yes , there has been a budding economic recovery since the 2008 global crash , but in key indicators in areas such as health and education , major economies have continued to decline.

出自-2017年考研阅读原文

The sharp hit to growth predicted around the world and in the UK could lead to a decline in the everyday services we depend on for our well-being and for growth.

出自-2017年考研阅读原文

Now even the project's greatest cheerleaders talk of a continent facing a "Bermuda triangle" of debt, population decline and lower growth. 　

2011年考研真题（英语二）阅读理解 Section Ⅱ

Of all the changes that have taken place in English-language newspapers during the past quarter-century, perhaps the most far-reaching has been the inexorable decline in the scope and seriousness of their arts coverage.

2010年考研真题（英语一）阅读理解 Section Ⅱ

The decline in American manufacturing is a common refrain, particularly from Donald Trump.

2017年考研真题（英语二）阅读理解 Section Ⅱ