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  3. 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

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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.

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答案人类也征服了黑暗，起初用暗淡的火光，后来则用越来亮的灯光，直到现在，人能自己使弧光灯发出令人炫目的强光，照得刺眼。
解析 for oneself：1)为自己：She kept the largest apple for herself. (她把最大的苹果留给她自己)。2)独自，独立地：We should learn to think for ourselves．(我们应当学会独立思考)。本题中for himself意为"独自，独立地"。
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考研英语一

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