题目内容
17．During the 12th five-year plan，China ____ great achievements in environmental protection．（ ）| A． | has made | B． | made | C． | was making | D． | will make |
分析 在中国的十二五计划期间，中国已经在环境保护取得了很大的成就，
解答 答案：A．结合时间状语During the 12th five-year plan，可知动作发生在过去对现在造成一定的影响，故用现在完成时have/has+过去分词，主语China，故has，故答案是A．
点评 现在完成时有两种用法1．过去发生的某一动作对现在造成的影响或结果或到现在为止已经发生或完成的动作．2．表示过去发生的、持续到现在的动作或状态．
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7．The Internet has been around for many years，but it was the invention of the World Wide Web that made it really （41）B to people．Together，the Internet and the World Wide Web have changed the world．
The Internet（42）C by the US government in the 1960s，for the army to use．In the 1970s，scientists and businesspeople also wanted to use the Internet to send and （43）Cmessages．For some years，people could only send very simple texts．They could not send photos （44）A documents by the Internet．
That changed in 1991，when a British scientist named Tim Berners-Lee invented the World Wide Wed．The World Wide Wed allows people to send various types of files，
（45）D texts，photos and videos by the internet，so（46）B people started to use it in the 1990s．
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The Internet（42）C by the US government in the 1960s，for the army to use．In the 1970s，scientists and businesspeople also wanted to use the Internet to send and （43）Cmessages．For some years，people could only send very simple texts．They could not send photos （44）A documents by the Internet．
That changed in 1991，when a British scientist named Tim Berners-Lee invented the World Wide Wed．The World Wide Wed allows people to send various types of files，
（45）D texts，photos and videos by the internet，so（46）B people started to use it in the 1990s．
Today，the Web has hundreds of millions of users．It has changed the way people live，work and play．Through the Internet，email allows us to communicate nearly instantly with people （47）A miles away．People and businesses use e-commerce and online shopping to buy and sell things across the world．The Web also makes people's lives（48）Dbecause now many things can be done from home，twenty-four hours a day．The Web can help you do research for your homework，（49）C you do not need to go to the library．You can use Internet banking，（50）Bgoing to the bank．And，of course，people just"surf the Web"when they want to relax．
Technology changes quickly，and it is hard to imagine what the future of the Internet and the Web will be．But it seems impossible to imagine life without them．
| 41．A．use | B．useful | C．useless | D．used |
| 42．A．invent | B．invented | C．was invented | D．invents |
| 43．A．borrow | B．lent | C．receive | D．set |
| 44．A．or | B．and | C．but | D．of |
| 45．A．for example | B．because of | C．so on | D．such as |
| 46．A．many and many | B．more and more | C．less and less | D．much and much |
| 47．A．thousands of | B．thousand of | C．two thousand | D．thousand about |
| 48．A．more difficult | B．easily | C．easy | D．easier |
| 49．A．because | B．in order to | C．so that | D．as soon as |
| 50．A．unless | B．instead of | C．prefer to | D．even though． |
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| A． | itself； boring | B． | myself； boring | ||
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| B． | Every dog has its day | |
| C． | A miss is as good as a mile | |
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6．
71．He gets angry easily．We often tell him not to be soimpatient．
72．We sell the goods at afixed price．
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74．Deng Xiaoping was a great man with lots ofwisdom and he helped turn China into a stronger and richer country．
75．To everyone'ssadness，still many more people are trapped under stones and bricks after the earthquake．
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72．We sell the goods at afixed price．
73．He has learnt to get himselforganized by using computers．
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