Here in Alaska, the wolves almost disappeared a few years ago, because hunters w

Here in Alaska, the wolves almost disappeared a few years ago, because hunters were killing hundreds of them for 1 . However, laws were passed to protect the wolves 2 the sportsmen and also the people who 3 the animals for fur. So the wolf population has greatly 4 . Now there are so 5 wolves that they are destroying their own 6 supply.

A wolf naturally preys (捕食) on animals in the 7 family. People in the wilderness (荒原) also hunt deer for food. Many of the animals have been destroyed by the very 8 recently and by changes in the wilderness 9 life. When the deer can't find 10 food, they die.

If the wolves 11 to kill large numbers of deer, their prey will 12 some day. And the wolves will, too. So we must 13 the cycle of life in the wilderness to 14 the ecology (生态). If we killed more wolves, we would 15 them and their prey from extinction (绝种). We'd also save some 16 animals.

In another northern state, wolves attacked cows and chickens for 17 . 18 want the United States government to send a team of 19 to study the problem. They believe it is necessary to kill wolves in some areas and to protect them in places where there is a 20 wolf population.

1．

[]

A．funB．foodC．sportD．interest

2．

[]

A．forB．ofC．fromD．about

3．

[]

A．takeB．catchC．findD．play

4．

[]

A．increasedB．reducedC．developedD．advanced

5．

[]

A．manyB．fewC．muchD．little

6．

[]

A．animalB．plantC．foodD．water

7．

[]

A．catB．dogC．deerD．cows

8．

[]

A．hot summersB．warm springsC．cool autumnsD．cold winters

19．

[]

A．animalB．plantC．foodD．cold

10．

[]

A．goodB．muchC．moreD．enough

11．

[]

A．startB．stopC．decideD．continue

12．

[]

A．disappearB．reduceC．increaseD．appear

13．

[]

A．keepB．changeC．renewD．form

14．

[]

A．changeB．remainC．balanceD．keep

15．

[]

A．helpB．killC．makeD．save

16．

[]

A．wildB．farmC．usefulD．field

17．

[]

A．furB．sportC．foodD．fun

18．

[]

A．FarmersB．ScientistsC．BiologistsD．Fishermen

19．

[]

A．officialsB．doctorsC．teachersD．biologists

20．

[]

A．smallB．largeC．increasingD．natural

试题答案

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

解析：