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听力原文: For good or bad, computers are now part of our daily lives. With the price of a small home computer now being lower, experts predict that before long all schools and businesses and most families in the rich parts of the world will own a computer of some kind. Among the general public, computers amuse strong feelings--people either love them or hate them. The computer lovers talk about how useful computers can rein business, in education and in the home--apart from all the games, you can do your accounts on them, use them to control your control heating, and in some places even do your shopping with them. Computers, they say, will also bring some leisure, as more and more unpleasant jobs are taken over by computerized robots. The haters, on the other hand, argue that computers bring not leisure but unemployment. They worry, too, that people who spend all their time talking to computers will forget how to talk to each other. And anyway, they ask, what's wrong with going shopping and learning languages in classroom with real teachers? But their biggest fear is that computers may eventually take over human, beings altogether. (37)
A.
Computers have become part of our daily lives.
B.
Computers have advantages as well as disadvantages.
C.
People have different attitudes to computers.
D.
More and more families will own computers.
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促进性器官发育、成熟,维持女性第二性征
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大剂量抑制促卵泡激素分泌
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大剂量抑制性腺激素分泌
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促进子官内膜增生
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有利于调度和控制
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【单选题】()年,牛顿用三楞镜发现了太阳的七色光:红、橙、黄、绿、青、蓝、紫。
A.
1666年
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1656年
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1688年
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促进骨骺闭合
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促进钠、水排泄
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促进第二性征发育
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