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

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

Carmen’s mother Maria had just survived a serious heart attack. But without a heart transplant(移植)her life was in constant 　36 .

Both the mother and daughter knew that the 　37 were very small: finding a donor（捐赠人）heart that 　38 Maria’s blood type could take years. However, Carmen was 　39 to save her mother. She kept 　40 hospitals all over the country.

Days stretched out. By Christmas, Maria had trouble 　41 from one end of the room to the other. Carmen lost all hope. She fell into a 　42 　 of the hospital, crying.

“Are you okay?” a man asked.

Carmen sobbed as she told the 　43 her story. This middle-aged man was named Frank, 　44 wife, Cheryl, a tender and devoted mother of four lovely children, had been in hospital with a brain disease and wouldn’t 　45 it through the night. Suddenly, an idea came to Frank’s mind. He knew Cheryl had always wanted to 　46 something from herself. Could her 　47 go to Carmen’s mother?

After reviewing the data, doctors 　48　 Frank that his wife’s heart was by some miracle a perfect fit for Carmen’s mother. They were able to 　49　 the transplant.

That cold night, when Cheryl was 　50　 dead, Frank came to knock at Maria’s door. She was 51 for Frank’s family as she had been doing every day recently. 　52 Maria had never met Frank before, they both felt a strange bond（凝聚力）as they hugged and cried.

On New Year’s Eve, Carmen attended Cheryl’s 　53　 Cheryl’s funeral（葬礼）with Frank’s family, who were singing their favorite song “My heart will go on.”

One day later, on New Year’s Day, Maria 　54 　 with Cheryl’s heart. Yes, Cheryl’s loving heart would go on, for it was 　55 in another loving mother’s chest.

36. A. change　　 　　　　　　 B. danger　　　　 　　 C. disorder　 　　　　　　　　　　 D. pain

37. A. chances　 　　　　 B. challenges　　　　 C. effects　　　　　 D. waves

38. A. matched　 　　　 B. replaced　　　 　　　 C. controlled　　 　　 D. cooperated

39. A. arranged　 　　　 B. decided　　　　 　 C. determined　　　 D. attempted

40. A. finding 　　　　　 B. phoning　 　　　　　　 C. touring　 　　　　　　　 D. interrupting

41. A. rolling　 　　　　 B. running　 　　　　　　　 C. walking　 　　　　　　 D. jumping

42. A. corner　 　　　　　 B. bed　　 　　　　　　　　 C. man　　 　　　　　　　 D. nurse

43. A. neighbor　　 　 B. stranger　　　　　　　　　 C. friend　　　　　　 D. candidate

44. A. who　　　　　 B. which　　　　　　 C. whom　　　　　 　　　 D. whose

45. A. put　 　　　　　　　 B. support　 　　　　　　　 C. pass　 　　　　　　　　 D. make

46. A. save　 　　　　　　　　　　 B. recycle　 　　　　　　　 C. donate（捐赠）　 D. separate

47. A. heart　 　　　　　　 B. brain　 　　　　　　　　 C. husband　 　　　　　　 D. spirit

48. A. informed　 　　　 B. warned　 　　　　　　 C. congratulated　 　　　 D. reminded

49. A. give up　 　　　　 B. carry out　 　　　　　 C. search after　 　　　　 D. put off

50. A. noticed　 　　　　 B. predicted　 　　　　　　 C. found　 　　　　　　　 D. declared

51. A. praying　　　 B. begging　　　　　 C. decorating　　　 　 D. singing

52. A. But　　　　 　 B. And　　　　　　 C. Though　　　　 　 D. If

53. A. attended　 　　　 B. tended　 　　　　　　　　 C. joined 　　　　　　　　　　 D. rejected

54. A. passed away 　　 B. woke up 　　　　　　　 C. left behind　 　　　　　 D. dressed up

55. A. active　　　　 B. alive　　　　　　 C. necessary　 　　　　 D. changeable