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  3. From the invention of the first stone tools to today’s complex computers, ma

From the invention of the first stone tools to today’s complex computers, ma

游客2023-07-27  39
问题     From the invention of the first stone tools to today’s complex computers, man has【B1】______the power to change the world around him. Computer【B2】______, in particular, could be taking over our economic life.
    In business, computers do the job of【B3】______and secretaries. In minutes, office computers type out hundreds of letters and, by satellite【B4】______send out bills to customers around the world. Business managers use computers to collect【B5】______amounts of information and, in seconds, to do【B6】______beyond the power of the human brain. In the future, the most important【B7】______maker might be the computer, not the company【B8】______.
    【B9】______.In the foreseeable future more and more jobs will be taken by computers. Because technology supplies the muscle power, workers are now free to use their brain power to make new discoveries.
    【B10】______The human brain has not changed in size in the past 10,000 years and won’t be changed in the long future. 【B11】______Generally, man will never stop using his brain to create "intelligent machines" to do his work for him. [br] 【B11】
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答案 However, man was able to invent hand tools, then the steam engine and now the computer, and maybe some other things in the future.
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