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单选题公共英语五级

2016-08-09

What advice might Maquet give to those who have a crucial test the next day?

A． Memorizing grammar with great efforts.

B． Study textbooks with close attention.

C． Have their brain images recorded.

D．Enjoy their sleep at night soundly.

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参考答案

D

答案解析

D【解析】这是一个通篇的中心归纳的考察题。文章一开始就指出“Before a big exalll．a sound night’S sleep will do you better than poring over textbooks．”意思是在晚上好好的睡觉对记忆是有好处的。最后作者又归纳了研究的结果，“…concluded that the nerve connections involved in memory are reinforced through reactivation during REM sleep…．”也说明结构性知识在REM睡眠中是可以巩固的。故应选D。

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Periodically in history, there come periods of great transition in which work changes its meaning. There was a time, perhaps 10, 000 years ago, when human beings stopped feeding themselves by hunting game and gathering plants, and increasingly turned to agriculture. In a way, that represented the invention of "work".
Then, in the latter decades of the 18th century, as the Industrial Revolution began in Great Britain, there was another transition in which the symbols of work were no longer the hoe and the plow; they were replaced by the mill and the assembly line.
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With the Industrial Revolution, machinery--powered first by steam, then by electricity and internal combustion engines--took over the hard physical tasks and relieved the strain on human and animal muscles.
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And yet, such jobs have been characteristic of the human condition in the first three-quarters of the 20th centu-ry. They' ve made too little demand on the human mind and spirit to keep them fresh and alive, made too much de-mand for any machine to serve the purpose until now.
The electronic computer, invented in the 1940' s and improved at breakneck speed, was a machine that, for the first time, seemed capable of doing work that had until then been the preserve of the haman mind. With the coming of the microchip in the 1970' s, computers became compact enough, versatile enough and ( most important of all) cheap enough to serve as the brains of affordable machines that could take their place on the assembly line and in the office.
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First, what will happen to the human beings who have been working at these disappearing jobs?
Second, where will we get the human beings that will do the new jobs that will appear--jobs that are deman-ding, interesting and mind-exercising, but that requires a high-tech level of thought and education?
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The first problem, that of technological unemployment, will be temporary, for it will arise out of the fact that there is now a generation of employees who have not been educated to fit the computer age. However, (in advanced nations, at least) they will be the last generation to be so lacking, so that with them this problem will disappear or,at least, diminish to the point of non-crisis proportions.
The second problem--that of developing a large enough number of high-tech minds to run a high-tech world--will be no problem at all, once we adjust our thinking.
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Right now, creativity seems to be confined to a very few, and it is easy to suppose that that is the way it must be.However, with the proper availability of computerized education, humanity will surprise the elite few once again.
A. There remained, however, the "easier" labor--the labor that required the human eyes, ears, judgment and mind but no sweating: It nevertheless had its miseries, for it tended to be dull, repetitious, and boring. And there is always the sour seine of endlessly doing something unpleasant under compulsion.
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