完形填空：阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。（共20小题，每小题1.5分）

   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　46　 .                    Today things are　 47　 , the world has become too　 48　 . We are using up our natural resources too quickly, and at the same time we are　 49　 our environment with dangerous chemicals. If we continue to do this, human life on the earth　 50　 survive.

　　Everyone　51　 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing　 52 , more and more fish are caught. We know that if too many trees are cut down, 　53　 will disappear and nothing will grow on the land. Yet, we　 54　 to use bigger and more powerful machines to　 55　 more and more trees.

　　We realize that if rivers are polluted with waste products from factories, we will die.　 56　 , in most countries wastes are　 57　 put into rivers or into the sea, and there are　 58　 laws to stop this. We know, too, that if the　 59　 of the world continues to rise at the present rate, in a few years there will not be enough 60　. What can we do to solve these problems ?

　  If  we eat more vegetables and less　 61　 , there will be more food available for everyone. Land that is used to grow crops　 62　 five times more people than land where animals are kept. Our natural resources will　 63　 longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth 64　 .

　　Finally, if we educate people to think about the problems, we shall have a better and clearer 65　 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. may not             B. will not                   C. shall not                D. could not

6.A. wonders            B. realizes                  C. consider                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 speaking  D. Therefore

12.A. still                    B. even                       C. also                         D. certainly

13.A. too many         B. a few                      C. some                      D. few

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

He was 11 years old and went fishing every chance he got from the dock at his family’s   cabin on an island in the middle of a New Hampshire lake.

　　 On the day before the bass season opened, he and his father were fishing early in the evening, catching sunfish and perch (鲈鱼)  with worms. Then he tied on a small silver lure（鱼饵） and practiced casting. The lure struck the water and caused colored ripples in the sunset, then silver ripples as the moon rose over the lake.

　　When his peapole doubled over, he knew something huge was on the other end. His father watched with admiration as the boy skillfully worked the fish alongside the dock.

　　Finally, he very gingerly lifted the exhausted fish from the water. It was the largest one he had ever seen, but it was a bass. The boy and his father looked at the handsome fish, gills playing back and forth in the moonlight. The father lit a match and looked at his watch. It was 10 P.M.-- two hours before the season opened. He looked at the fish, then at the boy.

　　“You’ll have to put it back, son,” he said.

　　“Dad!” cried the boy.

　　“There will be other fish,” said his father.

　　“Not as big as this one,” cried the boy.

　　He looked around the lake. No other fishermen or boats were anywhere around in the moonlight. He looked again at his father. Even though no one had seen them, nor could anyone ever know what time he caught the fish, the boy could tell by the clarity of his father’s voice that the decision was not negotiable（可协商的）. He slowly worked the hook out of the lip of the huge bass and lowered it into the black water.

　　The creature swished its powerful body and disappeared. The boy suspected that he would never again see such a great fish.

　　That was 34 years ago. Today, the boy is a successful architect in New York City. His father’s cabin is still there on the island in the middle of the lake. He takes his own son and daughters fishing from the same dock.

　　And he was right. He has never again caught such a magnificent fish as the one he landed that night long ago. But he does see that same fish-again and again-every time he comes up against a question of ethics (道德规范).

1. Why did the father ask his son to put the perch back?

2.When does the architect (the father’s son) think of that perch put back?

3.Which word can not be used to describe the boy’s father?

完形填空：阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。（共20小题，每小题1.5分）
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　46　.                    Today things are　 47　 , the world has become too　 48　 . We are using up our natural resources too quickly, and at the same time we are　 49　 our environment with dangerous chemicals. If we continue to do this, human life on the earth　 50　 survive.
　　Everyone　51　 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing　 52 , more and more fish are caught. We know that if too many trees are cut down, 　53　 will disappear and nothing will grow on the land. Yet, we　 54　 to use bigger and more powerful machines to　55　 more and more trees.
　　We realize that if rivers are polluted with waste products from factories, we will die.　 56　 , in most countries wastes are　 57　put into rivers or into the sea, and there are　 58　 laws to stop this. We know, too, that if the　 59　of the world continues to rise at the present rate, in a few years there will not be enough 60　. What can we do to solve these problems ?
　  If  we eat more vegetables and less　 61　 , there will be more food available for everyone. Land that is used to grow crops　 62　 five times more people than land where animals are kept. Our natural resources will　 63　 longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth 64　 .
　　Finally, if we educate people to think about the problems, we shall have a better and clearer 65　in the future.

完形填空：阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。（共20小题，每小题1.5分）

   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　46　 .                    Today things are　 47　 , the world has become too　 48　 . We are using up our natural resources too quickly, and at the same time we are　 49　 our environment with dangerous chemicals. If we continue to do this, human life on the earth　 50　 survive.

　　Everyone　51　 today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing　 52 , more and more fish are caught. We know that if too many trees are cut down, 　53　 will disappear and nothing will grow on the land. Yet, we　 54　 to use bigger and more powerful machines to　 55　 more and more trees.

　　We realize that if rivers are polluted with waste products from factories, we will die.　 56　 , in most countries wastes are　 57　 put into rivers or into the sea, and there are　 58　 laws to stop this. We know, too, that if the　 59　 of the world continues to rise at the present rate, in a few years there will not be enough 60　. What can we do to solve these problems ?

　  If  we eat more vegetables and less　 61　 , there will be more food available for everyone. Land that is used to grow crops　 62　 five times more people than land where animals are kept. Our natural resources will　 63　 longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth 64　 .

　　Finally, if we educate people to think about the problems, we shall have a better and clearer 65　 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. may not          B. will not             C. shall not            D. could not

A. wonders         B. realizes             C. consider            D. discovers

A. poles              B. boats                 C. methods            D. ideas

A  mountains     B. the sea                  C. trees                 D. forests

A. continue         B. have                 C. ought                D. go on

A. grow            B. plant                 C. save                  D. cut down

A. Thus       B. However     

C. Generally speaking  D. Therefore

A. still                     B. even                 C. also                  D. certainly

A. too many      B. a few                C. some                 D. few

A. production    B. pollution           C. population      D. revolution

A. houses          B. vegetables      C. food                 D. lives

A. fruit             B. meat                 C. fish                   D. grain

A. feeds            B. increases           C. supplies             D. helps

A. use               B. stay                  C. keep                 D. last

A. control         B. born                 C. plan                  D. reward

A. nature           B. sea                 C. planet            D. forest