Whereas language probably traces back at least 80.
出自-2014年6月阅读原文
At least four institutions - the University of Maryland, Oklahoma Christian University, Abilene Christian and Freed-Hardeman- have announced that they will give the devices to some or all of their students this fall.
出自-2013年6月阅读原文
The average American spends at least eight and a half hours a day in front of a screen.
出自-2012年12月阅读原文
According to data gathered by Harvard Law School professor Lani Guinier, the most selective schools are more likely to choose blacks who have at least one immigrant parent from Africa or the Caribbean than black students who are descendants of American slaves.
出自-2011年6月阅读原文
But such a Darwinian spirit is beginning to give way as at least a few colleges face up to the graduation gap
出自-2011年6月阅读原文
A study by Mannaz, a leadership development company, suggests that, while the bully-boy chief executive of old may not have been eradicated completely, there is a definite shift in emphasis towards less tough styles of management – at least in America and Europe.
出自-2011年6月阅读原文
Since then the debate has become less emotional, not least because a lot more is known about the subject.
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
It will not be the end of the world, at least not for quite a while yet, but the world will slowly become a different place.
出自-2010年12月阅读原文
In a recent study of parents and grown-up children in 11 European countries, Karsten Hank of Mannheim University found that 85% of them lived within 25km of each other and the majority of them were in touch at least once a week
出自-2010年12月阅读原文
But shouldn't we at least offer to share the expenses?
出自-2013年12月听力原文
Disaster movies often portray catastrophes that destroy, or at least threaten to destroy earth's entire population.
出自-2013年6月听力原文
However, soon after these fierce outbreaks, the virus died out, at least temporarily
出自-2013年6月听力原文
Hospital workers in at least one case deserted their workplace in panic, thus halting the administering of potentially unclean disease spreading injections, but Ebola has not disappeared.
出自-2013年6月听力原文
I hope you are not to put out with me for the delay ,I had to stop for the Fred's home to pick up a book on my way here M : well , that's not a big deal ,but you might at least phone if you know you will keep someone waiting Q : what do we learn about the women
出自-2011年6月听力原文
There isn't much violent crime in a small town like Green Ville, or at least not as much as in the large urban areas
出自-2011年6月听力原文
It collapsed at least once in the past 1.3 million years.
出自-2010年12月听力原文
This is one of our best and least expensive two-bedroom listings
出自-2010年12月听力原文
Now, new evidence reveals that all or most of the Antarctic ice sheet collapsed at least once during the past 1.3 million years, a period when global temperatures probably were not significantly higher than they are today.
出自-2010年12月听力原文
Esperanto is used internationally across language boundaries by at least 1 million people, particularly in specialized fields.
出自-2010年6月听力原文
\Supplying power to trains in this way would offer the shortest distance from well to wheels,\ he says, \with the least amount of energy lost.\
2018年12月六级真题(第二套)听力 Section C
\We're obligated to keep a pulse on the population for at least five years after the foxes are delisted,\ says Boser.
2018年12月六级真题(第三套)阅读 Section A
As a possible home for alien life, it has been voted the planet least likely to succeed.
2019年6月六级真题(第二套)听力 Section C
As fifth-graders, children with early attention problems obtained average reading scores at least 3% lower than their contemporaries' and grades at least 8% lower than those of their peers.
2018年12月六级真题(第一套)阅读 Section C
As one person ironically put it in the comments section of Schwartz's online article, \As I was reading this very excellent article, I stopped at least half a dozen times to check my email.
2017年12月六级真题(第一套)阅读 Section B
At least taxpayers should be able to decide what students will study on the public dime.
2018年6月六级真题(第一套)阅读 Section C
At least the slides were good, that is, until the bulb in the projector blew, and she had to finish the talk with no illustrations.
2017年12月六级真题(第二套)听力 Section A
But the first bite was a pleasant surprise, a little dry and lacking of taste, but at least a wing didn't get stuck in my throat.
2019年12月六级真题(第二套)听力 Section B
But the least we should expect is that they do not foster divisions and exclude those who are already disadvantaged.
2019年12月六级真题(第三套)阅读 Section C
Economic reasoning shows that the least expensive way for each country is to put a price on carbon emissions.
2017年6月六级真题(第一套)阅读 Section B
Families provide at least as much care as they ever did.
2018年12月六级真题(第二套)听力 Section C
For both beef and dairy production, it requires, at least in the beginning, more pastureland.
2019年12月六级真题(第三套)阅读 Section B
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
In a series of several experiments, the researchers illustrated just how much we've come to admire busyness, or at least the appearance of it.
2017年12月六级真题(第三套)阅读 Section C
It actually dates back to at least 1701.
2019年12月六级真题(第二套)听力 Section B
It has consequences: South Africa's ongoing drought—the worst in three decades—will cost at least a quarter of its com crop this year.
2018年6月六级真题(第一套)阅读 Section B
It turns out that those who consumed the highest levels of fiber during adolescence had a lower risk of developing breast cancer, compared to the women who ate the least fiber.
2017年6月六级真题(第二套)听力 Section B
It wasn't until I entered the corporate world that I realized, for me at least, being friends with colleagues didn't emerge as a priority at all.
2019年6月六级真题(第三套)阅读 Section C
It's doubtful that a computer program can do that—at least, not without some undesirable results.
2017年12月六级真题(第二套)阅读 Section C
Many large institutions keep this kind of data secret—or at least make it incredibly difficult to find.
2015年12月六级真题(第三套)阅读 Section B
One should buy the policies to give the most protection at the least cost, ensure the right family members and consider the family's financial needs.
2017年12月六级真题(第二套)听力 Section C
Perhaps the most dramatic example of the negative consequences of poor communication between scientists and the public is the issue of climate change, where a variety of factors, not the least of which is a breakdown in the transmission of fundamental cli
2018年12月六级真题(第三套)阅读 Section C
Problems surround the use of machines to spot deception, at least until it has been rigorously tested.
2018年12月六级真题(第一套)听力 Section C
So what would a smug-free, or at least low-pollution, city be like?
2019年12月六级真题(第二套)阅读 Section A
Southern states without strong teachers' unions have schools at least as awful as those in union states.
2016年6月六级真题(第一套)阅读 Section C
Tennessee State's overall graduation rate is a tiny 39 percent, but at least it has a smaller gap between the outcomes for first-generation students and those of their peers.
2015年12月六级真题(第三套)阅读 Section B
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.
2016年12月六级真题(第二套)听力 Section C
The reason is that when carbon is priced, those emissions reductions that are least costly to implement will happen first.
2017年6月六级真题(第一套)阅读 Section B
The third element of love in Sternberg's theory is what he calls decision commitment, the decision that one is in a love relationship, the willingness to label it as such and the commitment to maintain that relationship at least for some period of time.
2016年12月六级真题(第一套)听力 Section C
The trouble is, for many of the researchers who'd like to design systems to address these challenges, massive datasets for experimentation just don't exist—at least, not in formats that are accessible to academic researchers.
2018年6月六级真题(第一套)阅读 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
When people were encouraged to take at least three photos while they ate lunch, they were more immersed in their meals than those who weren't told to take photos.
2018年6月六级真题(第二套)阅读 Section C
While we didn't want to create any unnecessary panic, we did find some concerns that were troublesome, and we thought that parents or at least physicians should be aware of those potential risks.
2018年12月六级真题(第三套)阅读 Section B
Writing in the journal, the scientists describe how the storks from Germany were clearly affected by the presence of waste sites, with four out of six birds that survived for at least five months overwintering on rubbish dumps in northern Morocco, instead
2017年6月六级真题(第三套)阅读 Section C