题目列表(包括答案和解析)
Directions：For each blank in the following passage there are four words or phrases marked A，B，C and D．Fill each blank with a word or phrase that best fits the context．
In the past, man didn’t have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be 36 .
Today things are 37 , and the world has become too 38 . We’re using up our natural resources too quickly, and at the same time we are 39 our environment with dangerous chemicals. If we continue to do this, human life on the earth will not survive.
Everyone 40 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing 41 , more and more fish are caught. We know that if too many trees are cut down, forests will disappear and nothing will grow on the land. Yet, we 42 to use bigger and more powerful machines to cut down more and more trees.
We know that if rivers are polluted with waste products from factories, we’ll die. 43 , in most countries wastes are still put into rivers or into the sea, and there are 44 laws to stop this.
We know, too, that if the 45 of the world continues to rise at the present rate, in a few years there will not be enough food . What can we do to solve these problems?
If we eat more vegetables and less meat there will be more food available for every one. Land that is used to grow crops 46 five times more people than land where animals are kept. Our natural resources will last longer if we learn to recycle them.
The world population will not rise so quickly if people use modern methods of birth control.
Finally, if we educate people to think about the problems, we shall have a better and cleaner 47 in the future.
A. beautiful B. unlimited C. rare D. valuable
A. common B. the same C. changeable D. different
A. crowded B. small C. dirty D. busy
A. protecting B. saving C. polluting D. fighting
A. wonders B. realizes C. considers D. discovers
A. poles B. boats C. methods D. ideas
A. continue B. have C. ought D. go on
A. Thus B. However C. Generally speaking D. Therefore
A. too many B. a few C. some D. few
A. production B. pollution C. population D. revolution
A. feeds B. increases C. supplies D. helps
A. nature B. sea C. planet D. forest
Directions：For each blank in the following passage there are four words or phrases marked A，B，C and D．Fill each blank with a word or phrase that best fits the context．
In the past, man didn’t have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be 36 .
Today things are 37 , and the world has become too 38 . We’re using up our natural resources too quickly, and at the same time we are 39 our environment with dangerous chemicals. If we continue to do this, human life on the earth will not survive.
Everyone 40 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing 41 , more and more fish are caught. We know that if too many trees are cut down, forests will disappear and nothing will grow on the land. Yet, we 42 to use bigger and more powerful machines to cut down more and more trees.
We know that if rivers are polluted with waste products from factories, we’ll die. 43 , in most countries wastes are still put into rivers or into the sea, and there are 44 laws to stop this.
We know, too, that if the 45 of the world continues to rise at the present rate, in a few years there will not be enough food . What can we do to solve these problems?
If we eat more vegetables and less meat there will be more food available for every one. Land that is used to grow crops 46 five times more people than land where animals are kept. Our natural resources will last longer if we learn to recycle them.
The world population will not rise so quickly if people use modern methods of birth control.
Finally, if we educate people to think about the problems, we shall have a better and cleaner 47 in the future.
1.A. beautiful B. unlimited C. rare 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. wonders B. realizes C. considers D. discovers
6.A. poles B. boats C. methods D. ideas
7.A. continue B. have C. ought D. go on
8.A. Thus B. However C. Generally speaking D. Therefore
9.A. too many B. a few C. some D. few
10.A. production B. pollution C. population D. revolution
11.A. feeds B. increases C. supplies D. helps
12.A. nature B. sea C. planet D. forest
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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完型填空：阅读下面短文，掌握其大意，然后从1-20个题所给的四个选项中，选出一个最佳答案。
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 fish are taken from the sea, there will soon be none left. Yet, with modern fishing 7 , more and more fish 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 hugger and more powerful machines to 10 more and more trees.
We realize that if rivers are polluted with waste products from factories, we 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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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 5 to do this, human life on the earth will not survive.
Everyone 6 today that if too many fish are taken from the sea, there will soon be none left. Yes, with modern fishing 7 , more and more fish 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, we will die. 11 , in most countries waste products 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.
1．A．beautiful B．unlimited C．rare 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．try B．continue C．decide D．have
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． stop
10．A．grow B．plant C．save D．cut down
11．A．Thus B．However C．Generally speaking D．Therefore
12．A．still B．even C．also D．certainly
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14．A．production B．pollution C．population D．revolution
15．A．houses B．vegetables C．food D．lives
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．reward
20．A．nature B．sea C．planet D．forest
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