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The computer plays an important part in our everyday life. It is one of the great __1__ in the world in the __2__ century. It works for us not only at home, in the offices, in big shops, __3__ at schools. Today it is used __4__ many ways. It really __5__ the world large wealth (财富) and happiness. The first computer in the world was __6__ Enid. It was built in America in 1946. It was __7__ and heavy. __8__ it was born, it has been developing very fast. Until now it has gone __9__ four periods(时期，阶段)and changed a lot. There’re many kinds of computers. Computers are getting smaller and smaller and computing faster and faster. It becomes more and more __10__. The computer can do most of the things __11__ the people. It can help us to __12__ about the real world more quickly, to learn __13__ we want to learn and to think __14__ ourselves. __15__ a student in the twenty-first century, you must work hard at it. 1. A. inventions B. discoveries C. robots D. inventors 2. A. twenty-first B. twenties C. twelfth D. twentieth 3. A. also B. but also C. too D. either 4. A. in B. to C. by D. over 5. A. takes B. helps C. gets D. brings 6. A. found B. invented C. called D. bought 7. A. easy B. small C. large D. light 8. A. For B. Until C. When D. Since 9. A. by B. across C. through D. against 10.A. serious B. harmful. C. dangerous D. helpful 11.A. for B. to C. at D. with 12.A. set B. tell C. know D. talk 13.A. what B. that C. which D. who 14.A. of B. about C. out D. for 15.A. For B. Be C. As D. To 名师点评 本文介绍了电脑的产生、发展以及在我们日常生活中广泛的使用，针对一些人对将来电脑会控制人类的担忧，作者提出了自己的看法。 (责任编辑：admin) |