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Last evening I was watching the evening news on television. The news was about a prize for scientific  1   ;I forgot what it was. The announcer, whose name was Ralph Story, said something that caught my  2  .“All great discoveries,”he said,“are made by people between the ages of twenty-five and thirty.”  3   a little over thirty myself, I wanted to disagree with him.  4   wants to think that he is past the age of making any discovery. The next day I happened to be in the public library and spent several hours looking up the  5  of famous people and their discoveries. Ralph was right.

First I looked at some of the   6   discoveries. One of the earliest discoveries, the famous experiment that proved that bodies of different  7   fall at the same speed, was made by Galileo when he was 26. Madam Curie started her research that  8   to the Nobel Prize when she was 28. Einstein was 26 when he published his world-changing theory of relativity. Well,  9   of that. Yet I  10   if those“best years”were true in other  11   .

Then how about the field of   12   ? Surely it needs the wisdom of age to make a good leader. Perhaps it  13   ,but look when these people  14   their career. Winston Churchill was elected to the House of Commons at the age of 26. Abraham Lincoln  15   the life of a country lawyer and was elected to government. At what age? Twenty-six.

But why  16   best years some after thirty? After thirty, I  17   ,most people do not want to take risks or try   18   ways. Then I thought of people like Shakespeare and Picasso. The former was writing wonderful works at the ripe age of fifty, while the latter was  19   trying new ways of painting when he was ninety!

Perhaps there is still  20   for me.

1. A. invention                             B. discovery

C. experiment                               D. progress

2. A. mind                                   B. idea

C. attention                                  D. thought

3. A. As                                     B. Being

C. However                             D. Beyond

4. A. Everybody                               B. Somebody

C. Nobody                                 D. Whoever

5. A. names                                   B. ages

C. addresses                                 D. oldest

6. A. modern                                  B. scientific

C. last                                      D. oldest

7. A. heights                                  B. sizes

C. weights                                 D. things

8. A. led                                    B. meant

C. stuck                                    D. referred

9. A. plenty                                    B. enough

C. much                                   D. none

10. A. believed                               B. trusted

C. wondered                                D. asked

11.A. fields                                  B. countries

C. courses                                  D. ages

12. A. agriculture                              B. politics

C. industry                                  D. society

13.A. is                                     B. will

C. has                                    D. does

14. A. finished                              B. went

C. started                                   D. failed

15. A. devoted                                B. gave up

C. began                                   D. led

16. A. don’t                                 B. the

C. can                                       D. not

17. A. say                                     B. know

C. guess                                    D. agree

18. A. other                                 B. new

C. best                                    D. their

19.A. always                                  B. still

C. seldom                                  D. enjoying

20. A. discovery                               B. problem

C. wish                                   D. hope

 

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Around the world more and more people are taking part in dangerous sports and activities. Of course, there have  1  been people who have looked for   2  —those who have climbed the highest mountains, explored unknown parts of the world or sailed in   3  across the greatest oceans. Now, however, there are people who   4  an immediate pleasure from a   5  activity which may only last   6   or even seconds.

I would consider bungee jumping   7  good example of   8  . You   9  a high place (perhaps a bridge or a hot-air balloon)200 meters above the ground   10  an elastic(有彈性的)rope   11  your   12  . You fall at up to 150 kilometers an hour until the ropes   13  you from hitting the ground. It is said that 2 million people around the world have now tried bungee jumping. Other activities   14  most people would say are as dangerous as bungee jumping   15  jumping from tall buildings and diving into the sea from the top of high rocks.

  16  do people take part in such activities as these? Some psychologists(心理學家)suggest that it is   17  life in modern societies has become safe and boring. Not very long ago, people’s lives were constantly in danger. They had to go out and hunt for food, and life was a continuous battle for survival(生存).

Nowadays, according to many people, life offers   18  excitement. They live and work in relatively   19  condition —— they buy food in shops; and there are doctors and hospitals to look after them if they become ill. The answer for some of these people is to look for   20  in activities as bungee jumping.

1. A. not                              B. never

C. always                                   D. usual

2. A. ease                                   B. adventure

C. happiness                            D. knowledge

3. A. large ship                         B. safe boat

C. small boat                            D. safe ship

4A. search                             B. look through

C. look for                             D. in search of

5. A. danger                           B. safe

C. angry                              D. dangerous

6. A. a few hours                       B. some time

C. a day                              D. a few minutes

7. A. to be                              B. is

C. being                              D. to being

8. A. such activity             B. a such activity

C. so an activity               D. such an activity

9. A. climb up                          B. jump from

C. jump off                            D. find

10. A. with                            B. by

C. and                               D. use

11. A. is tied with                       B. ties to

C. tied to                             D. tied with

12. A. arms                            B. ankles

C. hands                              D. legs

13. A. makes                            B. gets

C. has                               D. stops

14. A. as dangerous as            B. so dangerous as

C. too dangerous as              D. very dangerous as

15. A. includes                                B. including

C. include                              D. included

16. A. When                            B. Why

C. where                             D. How

17. A. because                              B. that

C. because of                           D. for

18. A. much                           B. little

C. many                              D. more

19. A. happy                            B. safe

C. exciting                             D. dangerous

20. A. wealth                           B. safety

C. danger                                   D. pleasure

 

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Around the world more and more people are taking part in dangerous sports and activities. Of course, there have  1  been people who have looked for   2  —those who have climbed the highest mountains, explored unknown parts of the world or sailed in   3  across the greatest oceans. Now, however, there are people who   4  an immediate pleasure from a   5  activity which may only last   6   or even seconds.

I would consider bungee jumping   7  good example of   8  . You   9  a high place (perhaps a bridge or a hot-air balloon)200 meters above the ground   10  an elastic(有彈性的)rope   11  your   12  . You fall at up to 150 kilometers an hour until the ropes   13  you from hitting the ground. It is said that 2 million people around the world have now tried bungee jumping. Other activities   14  most people would say are as dangerous as bungee jumping   15  jumping from tall buildings and diving into the sea from the top of high rocks.

  16  do people take part in such activities as these? Some psychologists(心理學家)suggest that it is   17  life in modern societies has become safe and boring. Not very long ago, people’s lives were constantly in danger. They had to go out and hunt for food, and life was a continuous battle for survival(生存).

Nowadays, according to many people, life offers   18  excitement. They live and work in relatively   19  condition —— they buy food in shops; and there are doctors and hospitals to look after them if they become ill. The answer for some of these people is to look for   20  in activities as bungee jumping.

1. A. not                              B. never

C. always                                   D. usual

2. A. ease                                   B. adventure

C. happiness                            D. knowledge

3. A. large ship                         B. safe boat

C. small boat                            D. safe ship

4A. search                             B. look through

C. look for                             D. in search of

5. A. danger                           B. safe

C. angry                              D. dangerous

6. A. a few hours                       B. some time

C. a day                      &?nbsp;       D. a few minutes

7. A. to be                              B. is

C. being                              D. to being

8. A. such activity             B. a such activity

C. so an activity               D. such an activity

9. A. climb up                          B. jump from

C. jump off                            D. find

10. A. with                            B. by

C. and                               D. use

11. A. is tied with                       B. ties to

C. tied to                             D. tied with

12. A. arms                            B. ankles

C. hands                              D. legs

13. A. makes                            B. gets

C. has                               D. stops

14. A. as dangerous as            B. so dangerous as

C. too dangerous as              D. very dangerous as

15. A. includes                                B. including

C. include                              D. included

16. A. When                            B. Why

C. where                             D. How

17. A. because                              B. that

C. because of                           D. for

18. A. much                           B. little

C. many                 &nbs?p;              D. more

19. A. happy                            B. safe

C. exciting                             D. dangerous

20. A. wealth                           B. safety

C. danger                                   D. pleasure

 

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In the past, man did not have to think about the protection of his environment(環(huán)境). 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(幸存).

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, 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(解決) these problems?

If we eat more vegetables and less    16   , there will be more food available(可得到的) 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. act

10. A. grow                       B. plant      

C. save                          D. cut

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

 

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In the past, man did not have to think about the protection of his environment(環(huán)境). 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(幸存).

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, 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(解決) these problems?

If we eat more vegetables and less    16   , there will be more food available(可得到的) 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. act

10. A. grow                       B. plant      

C. save                          D. cut

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

 

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