Question

完形填空

　　In the past, man did not have think about the protection of his environment. There were few people on the earth, and the 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. 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 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－suffer. 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 speed, in a few years, there will not be enough 15 for everyone. 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 19 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 20 in the future.

1．

[　　]

A．beautiful

B．unlimited

C．too limited

D．valuable

2．

[　　]

A．common

B．the same

C．changeable

D．different

3．

[　　]

A．crowded

B．common

C．changeable

D．different

4．

[　　]

A．protecting

B．saving

C．polluting

D．fighting

5．

[　　]

A．try

B．continue

C．decide

D．have

6．

[　　]

A．wonders

B．realizes

C．asks

D．wishes

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．So

B．However

C．Although

D．Therefore

12．

[　　]

A．still

B．even

C．seldom

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．world's population

B．prices

C．children

D．trees

20．

[　　]

A．nature

B．sea

C．world

D．forest

Answer 1

答案：B;D;A;C;B;B;C;D;A;D;B;A;D;C;C;B;A;D;A;C
解析：

1．B　　短文开始所述与unlimited所表明的倾向是一致的。 　　2．D　　指如今事情大不一样了。 　　3．A　　即不再是few people而是太crowded。 　　4．C　　正在耗尽资源的同时。污染环境，不可能是protect。 　　5．B　　如果“持续”下去，结果会是：人类将难以生存。 　　6．B　　据下文所列的道理和结果，确定是“已认识到”。 　　7．C　　Yet一词表转折，明知结果，却“用更现代的捕鱼方式……”。 　　8．D　　消失的是树还是林？砍树多，森林消失，而不是树木全无。 　　9．A　　同第10小题。 　　10．D　　继续列举人类的不当行为：继续用大马力的机械来砍伐更多的树。 　　11．B　　同第12小题。 　　12．A　　既然已知河流受到废弃物污染，可是许多国家却仍然向河海中倾倒废物。注意与前文一致的语气。 　　13．D　　用few是否定语气，表示很少有法规来阻止上述行为。 　　14．C　　同第15小题。 　　15．C　　此段有两空，一因一果。从rise，speed等词判断是“人口”，最后导致食物不足。 　　16．B　　同第17小题。 　　17．A　　此段从后一句的animals are kept推测前一句的选择是meat。 　　18．D　　“持续，持久”用last。 　　19．A　　根据birth control来推断是“世界人口”。 　　20．C　　全文最后结论讲述了，克服上述问题才会得到更好的world。world包括人和物质资源，而nature侧重物质的世界，即自然界。