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仔细阅读下面的短文，短文中有10个空格或划线句子。请按照每小题括号内的具体要求完成语法填空、词形变化、句子合并、句子改写以及病句改正等。答案填写在标号为1～10的对应位置。
Pollution 1 (be)a problem that happens in water, air and earth．It is 2 (表语)with animals and humans．The water pollution is 3 (cause)by waste from factories．The 4 (fish)will die, if the river polluted by chemical factories．Then if some people 5 (谓语动词)those fish, they will also be dead．The others is air pollution． 6 (改正错误)It comes from factories, power stations and cars． 7 (冠词)chemical in the smoke will fall in the rain．This “chemical rain” will kill trees and fish．It’s either bad to the building． 8 (改正错误)From that we 9 (情态动词)know how bad the pollution is．
We hope that the scientists can find out the way to make environment better soon． 10 (改为形式主语结构)
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2. 学习有关语言的知识比使用语言容易。(动词-ing形式作主语)
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3. 我们应该尽力增强我们的体质。(build up)
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4. 好的习惯是成功的关键。(lead to)
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5. 我们把书放进书柜的目的是不沾上灰尘。(keep... free from)
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6. 我们会议的重点是妇女权利问题。(focus)
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7. 她设法降低她的体重。(reduce)
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8. 对人们说的话我不会作评论。(comment)
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9. 你是最后一个通过驾驶执照考试的人。(the last+动词不定式)
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10. 作无益的后悔是没有用的。(it作形式主语)
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1．She asked me whether I had seen him the night before．（改成直接引语）
She asked, “___1_____ ____2____ see him ____3_____ ___4_____?”
2．My mother said to me: “Come back before 10．” （改成间接引语）
My mother ___5____ me ___6________7______ ___8______ before 10．
3．It was a very difficult period of my life．At that time I first met Nelson Mandela． （连成一定语从句）
_____9____ ____10______ ___11_______ I first met Nelson Mandela was a very difficult period of my life．
4．All hope was not lost．（写出同义句）
___12____ ____13____ ___14_____ was lost．
5．He prefers riding a bicycle to riding on a crowded bus．（（写出同义句）
____15____ __16_____ _____17____ on a crowded bus, he prefers to ride a bicycle．
6．We seemed to be able to see for miles at one point．（用it作形式主语改写）
___18_____ ___19_______ ___20_______ we were able to see for miles at one point．
查看习题详情和答案>>66. ____ ____ ______ ______(人们相信) greenhouse gases are the main causes of global warming.
67. The house which_______ _______ ______ ____________ (状况欠佳) will be repaired soon.
68. 他的成功应该归功于他的努力学习。
He _______ ________ _________ ________ his hard study.
69. You are likely to make great progress in your study. (用it作形式主语改写句子)
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70. He did not return to his hometown until 2008. (强调划线部分)
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71. We can’t accept the truth. She is the mother of six children. (用同位语从句合并句子)
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