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Man first appeared on the earth about 2 million years ago. Then he was little more than an animal; but early man had a big advan
Man first appeared on the earth about 2 million years ago. Then he was little more than an animal; but early man had a big advan
admin
2009-04-26
39
问题
Man first appeared on the earth about 2 million years ago. Then he was little more than an animal; but early man had a big advantage over the animals. He had in his brain special groups of nerve cells, not present in animals that enabled him to invent a language and use it to communicate with his fellow men. (46)
This ability to speak was of great value because it allowed men to share ideas, and to plan together, so that tasks impossible for a single person could be successfully undertaken by intelligent team-work.
Speech also enabled ideas to be passed on from generation to generation so that the stock of human knowledge slowly increased.
It was this special ability that put men far ahead of other living creatures in the struggle for existence. (47)
He mastered darkness first with dim lights and later with brighter and brighter lamps, until he can now make for himself so dazzling a light with an are lamp that, like the sun, it is too strong for his naked eyes.
(48)
Man found that his own muscles were too weak for the work which he wanted to do; he explored many other forms of power until now he has his hands on the ultimate source of physical energy, the nuclear power.
From man’s earliest days the flight of birds has raised his wonder and desire. Why should he not fly as they did? Then he began to experiment. At last he learnt how to make the right machines to carry him through the air. Now he can fly faster than sound. Already he has plans for conquering space, and a series of experiments has been completed. (49)
It will not be long now before man takes a giant step away from his planet and visits the moon, learning what it is like to have no weight to his body, no upward direction and no downward.
Man, always a wanderer, has to overcome the difficulty of adapting himself to different climates. (50)
Fortunately, in spite of having no. thick skin or warm fur to protect him, he is peculiarly strong compared with other living creatures, most of whom are unable to live far outside the region that suits them best.
选项
答案
不久的将来人类将要离开地球,迈出巨人般的步伐去访问月球,领略身体失重、无向上或向下之分的感受。
解析
It is not(was not,will not be)long before...意为"不多久就…",例如:It wasn’t long before he told us about this affair.(过了不久他就给我们讲了这件事)。注意区别:his(was,would be)+多少时间+before...意为"…(之后)才…",如:1)It was a long time before I got to sleep again. (过了很长一段时间后,我才又入睡)。2)It would be months before he was fit for work. (过几个月以后,他才会适应工作)。
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0
考研英语一
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