ͻ񻣼A control B born C plan D reward

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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____36____ .

Today things are___37_____, the world has become too___38____ . We are 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 ___40____survive.

Everyone___41_____ today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing__42_____ , more and more fish are caught. We know that if too many trees are cut down, ___43____will disappear and nothing will grow on the land. Yet, we ___44_____to use bigger and more powerful machines to __45____more and more trees.

We realize that if rivers are polluted with waste products from factories, we will die.___46_____, in most countries wastes are ___47______put into rivers or into the sea, and there are _48_____laws to stop this.

We know, too, that if the___49____ of the world continues to rise at the present rate, in a few years, there will not be enough___50_____. What can we do to solve these problems ?

It we eat more vegetables and less___51____, there will be more food available for everyone. Land that is used to grow crops __52_____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 rise so quickly if people use modern methods of birth__54_______ .

Finally, if we educate people to think about the problems, we shall have a better and clearer ___55____in the future.

1.                A£®beautiful        B£®unlimited £¨ÎÞÏ޵ģ© 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£®will 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

 

 

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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£¨×ÊÔ´£© seemed to be    26  .

     Today things are 27 , the world has become too   28   . We are using up our natural resources too quickly, and at the same time we are  29  our environment with dangerous chemicals. If we continue to do this,  human life on the earth will not   30  .

Everyone 31  today that if too many fish are taken from the sea, there will soon be none left.  Yet, with modern fishing  32   , more and more fish are caught.  We know that if too many trees are cut down,  33 will disappear and nothing will grow on the land. Yet, we  34  to use bigger and more powerful machines to 35  more and more trees.

    We realize that if rivers are polluted with waste products from factories, we will die. ___36,    in most countries wastes are 37   put into rivers or into the sea, and there are 38   laws to stop this. We know, too, that if the   39  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  40  these problems ?

    If we eat more vegetables and less   41 , there will be more food available for everyone.  Land that is used to grow crops   42  five times more people than land where animals are kept.  Our natural resources will  43  longer if we learn to recycle them.  The world population will not rise so quickly if people use modern methods of birth 44    .

Finally, if we educate people to think about the problems, we shall have a better and cleaner      45   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. breathe        B. survive        C. drink          D. move

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. stop       C. keep        D. go on

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

11.A. Thus         B. However        C. But           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. pronunciation

15.A. work       B. deal         C. solve         D. serve

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(»·¾³). 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(ÐÒ´æ).

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(½â¾ö) these problems?

If we eat more vegetables and less    16   , there will be more food available(¿ÉµÃµ½µÄ) 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(»·¾³). 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(ÐÒ´æ).

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(½â¾ö) these problems?

If we eat more vegetables and less    16   , there will be more food available(¿ÉµÃµ½µÄ) 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. There were few people on the earth, and natural resources seemed    36     .

Today things are    37    . The world has become too    38    . We are using up our natural resources too quickly, and the same time we are    39    our environment with dangerous chemicals. If we    40    to do this, human life on the earth will not survive.

Everyone    41     today that if too many fish are taken from the sea, there will soon be no fish left. Yes, with modern fishing    42    , more and more fish are caught. We know that if too many trees are cut down,    43    will disappear and nothing will grow on the land. But we continue to use    44    and more powerful machines to    45    more and more trees.

We realize that if rivers are polluted with waste products from factories, we will die.    46    , in most countries waste products are     47     put into rivers or into the sea, and there are    48    laws to stop this.

We know, too, that if the    49    of the world continues to rise at the present rate, in a few years, there will not be enough    50    . What can we do to solve these problems?

If we eat more vegetables and less    51    , there will be more food available for everyone. Land where we grow crops     52    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 rise so quickly if people use modern methods of birth    54    .

Finally, if we educate people to think about the problems, we shall have a better and cleaner    55    in the future.

36. A. beautiful          B. unlimited                 C. little                   D. valuable

37. A. common          B. the same             C. changeable             D. different

38. A. crowded              B. small                       C. dirty                   D. busy

39. A. protecting         B. saving                 C. polluting                D. fighting

40. A. try               B. continue              C. decide                  D. have

41. A. wonders          B. realizes                 C. considers                D. discovers

42. A. poles             B. thoughts             C. methods                 D. ideas

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

44. A. bigger              B. less                 C. smaller                D. higher

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

46. A. Thus           B. However              C. Generally speaking      D. Therefore

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

48. A. many               B. enough              C. some                 D. few

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

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

51. A. feeds             B. meat                C. fish                   D. grain

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

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

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

55. A. nature            B. sea               C. planet                D. Forest

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