题目列表(包括答案和解析)
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| In the past, man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be 1 . Today things are 2 , the world has become too 3 . We are using up our natural resources too quickly and at the same time we are 4 our environment with dangerous chemicals．If we continue to do this, human life on the earth 5 survive. Everyone 6 today that if too many fishes are taken from the sea, there will soon be none left. Yet, with modern fishing 7 , more and more fishes are caught. We know that if too many trees are cut down, 8 will disappear and nothing will grow on the earth. Yet we _9_ to use bigger and more powerful machines to 10 more and more trees. We realize that if rivers are polluted with waste products from factories, fish will die. 11 , in most countries wastes are 12 put into rivers or into the sea, and there are 13 laws to stop this. We know, too, that if the 14 of the world continues to rise at the present rate , in a few years there will not be enough 15 .What can we do to solve these problems? If we eat more vegetables and less 16 ,there will be more food for everyone. Land that is used to grow crops 17 five times more people than land where animals are kept. Our natural resources will 18 longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth 19 . Finally, if we educate people to think about the problems, we shall have a better and cleaner 20 in the future. | |||
| ( )1. A. beaut iful ( )2. A. common ( )3. A. crowded ( )4. A. protecting ( )5. A. may not ( )6. A. wonders ( )7. A. poles ( )8. A. mountains ( )9. A. continue ( )10. A. grow ( )11. A. Thus ( )12. A. s till ( )13. A. many ( )14. A. production ( )15. A. houses ( )16. A. fruit ( )17. A. feeds ( )18. A. use ( )19. A. control ( )20. A. nature |
B. unlimited B. the same B. small B. saving B. will not B. ealizes B. boats B. the sea B. have B. pick up B. however B. even B. no B. pollution B. vegetables B. meat B. increases B. stay B. born B. sea |
C. unusual C. changeable C. dirty C. polluting C. shall not C. considers C. methods C. trees C. ought C. save C. Generally C. also C. some C. population C. food C. fish C. supplies C. keep C. plan C. planet |
D. valuable D. different D. busy D. fighting D. could not D. discovers D. ideas D. forests D. decide D. cut down D. Therefore D. never D. few D. development D. places D. grain D. helps D. last D. pay D. fores |
In the past, man did not have to think about the protection of his environment. There were few people on the earth, and natural 36 seemed to be unlimited.
Today things are 37 . The world has become too 38 . We are 39 our natural resources too quickly, and at the same time we are 40 our environment with dangerous chemicals. If we 41 to do this, human life on earth will not 42 .
People realize today that if too many 43 are taken from the sea, there will soon be none left. Yet, with modern fishing 44 , more and more fish are caught.
We know that if too many trees are cut down, 45 will disappear and nothing will 46 on the land. Yet, we continue to use bigger and more powerful machines to 47 more and more trees.
We realize that if rivers are polluted with waste products from factories, we will die. 48 , in most countries waste products are still put into rivers or into the sea, and there are few laws to 49 this.
We also know that if the 50 of the world continues to rise at the present rate, in a few years, there won't be enough food. What can we do to solve the 51 ? If we eat more vegetables and less 52 , there will be more food available for everyone. Land that is used to grow crops feeds five times more people than land where animals are kept.
Our natural resources will 53 longer if we learn to recycle them. The world population will not 54 so quickly if people use modern methods of birth control.
Finally, if we 55 people to think about the problems we shall have a better and cleaner planet in the future.
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完形填空
In the past,man did not have to think about the protection of his environment. There were few people on the earth,and natural resources,seemed to be __1__.
Today things are __2__,the world has become too __1__ We are using up our natural resources too quickly and at the same time we are __4__ our environment with dangerous chemicals. If we continue to do this,human life on the earth __5__ survive.
Everyone __6__ today that if too many fishes are taken from the sea,there will soon be none left. Yet,with modern fishing __7__,more and more fishes are caught. We know that if too many trees are cut down,__8__ will disappear and nothing will grow on the land．Yet,we __9__ to use bigger and more powerful machines to __10__ more and more trees.
We realize that if rivers are polluted with waste products from factories,fish will die. __11__,in most countries wastes are __12__ put into rivers or into the sea,and there are __13__ laws to stop this. We know,too,that if the __14__ of the world continues to rise at the present rate in a few years there will not be enough __15__ What can we do to solve these problems?
If we eat more vegetables and less __16__,there will be more food available for everyone Land that is used to grow crops __17__ five times more people than land where animals are kept.
Our natural resources will __18__ longer if we learn to recycle them.
The world population will not rise so quickly if people use modern methods of birth __19__. Finally,if we educate people to think about the problems,we shall have a better and cleaner __20__ in the future.
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完形填空
In the past,man did not have to think about the protection of his environment. There were few people on the earth,and natural resources,seemed to be __1__.
Today things are __2__,the world has become too __1__ We are using up our natural resources too quickly and at the same time we are __4__ our environment with dangerous chemicals. If we continue to do this,human life on the earth __5__ survive.
Everyone __6__ today that if too many fishes are taken from the sea,there will soon be none left. Yet,with modern fishing __7__,more and more fishes are caught. We know that if too many trees are cut down,__8__ will disappear and nothing will grow on the land．Yet,we __9__ to use bigger and more powerful machines to __10__ more and more trees.
We realize that if rivers are polluted with waste products from factories,fish will die. __11__,in most countries wastes are __12__ put into rivers or into the sea,and there are __13__ laws to stop this. We know,too,that if the __14__ of the world continues to rise at the present rate in a few years there will not be enough __15__ What can we do to solve these problems?
If we eat more vegetables and less __16__,there will be more food available for everyone Land that is used to grow crops __17__ five times more people than land where animals are kept.
Our natural resources will __18__ longer if we learn to recycle them.
The world population will not rise so quickly if people use modern methods of birth __19__. Finally,if we educate people to think about the problems,we shall have a better and cleaner __20__ in the future.
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完形填空（共20小题，每小题1分，满分20分）
从A.B.C.D四个选项中，选出可以填入空白处的最佳选项。
In the past, man did not have to think about the protection of his environment．There were few people on the earth, and natural resources seemed to be 31 ．
Today things are 32 , the world has become too 33 ．We are using up our natural resources too quickly and at the same time we are 34 our environment with dangerous chemicals．If we continue to do this, human life on the earth 35 survive．
Everyone 36 today that if too many fishes are taken from the sea, there will soon be none left． Yet, with modern fishing 37 , more and more fishes are caught．We know that if too many trees are cut down, 38 will disappear and nothing will grow on the earth．Yet we __39 to use bigger and more powerful machines to 40 more and more trees．
We realize that if rivers are polluted with waste products from factories, fish will die． 41 , in most countries wastes are 42 put into rivers or into the sea, and there are 43 laws to stop this．
We know, too, that if the 44 of the world continues to rise at the present rate , in a few years there will not be enough 45 ．What can we do to solve these problems?
If we eat more vegetables and less 46 ,there will be more food available for everyone．Land that is used to grow crops 47 five times more people than land where animals are kept．
Our natural resources will 48 longer if we learn to recyclethem．
The world population will not rise so quickly if people use modern methods of birth 49 ．
Finally, if we educate people to think about the problems, we shall have a better and cleaner 50 in the future．
1.A．beautiful B．unlimited C．unusual D．valuable
2.A．common B．the same C．changeable D．different
3.A．crowded B．small C．dirty D．busy
4.A．protecting B．saving C．polluting D．fighting
5.A．may not B．will not C．shall not D．could not
6.A．wonders B．realizes C．considers D．discovers
7.A．poles B．boats C．methods D．ideas
8.A．mountains B．the sea C．trees D．forests
9.A．continue B．have C．ought D．go on
10.A．grow B．plant C．save D．cut down
11.A．Thus B．However C．Generally D．Therefore
12.A．still B．even C．also D．certainly
13.A．many B．none C．some D．few
14.A．production B．pollution C．population D．development
15.A．houses B．vegetables C．food D．places
16.A．fruit B．meat C．fish D．grain
17.A．feeds B．increases C．supplies D．helps
18.A．use B．stay C．keep D．last
19.A．control B．born C．plan D．pay
20.A．nature B．sea C．planet D．forest
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