It is reported that conservation groups in North America have been arguing about the benefits and dangers of wolves. Some groups believe wolves should be killed. Other people believe wolves
Must be protected so that they will not disappear from the wilderndss(荒野)
For Killing Wolves
In Alaska，the wolf almost disappeared a few years ago，because hunters were killing hundreds
0f them forsport .However．1aws were established to protect the wolves from sportsmen and people who catch the animals for their fur．So the woIf population has greatly increased. Now there are so many wolves that they are destroying their own food supply．
A wolf naturally eats animals in the deer family. People in the wilderness also hunt deer for
food．Many of the animals have been destroyed by the very cold winters recently and by changes in the wilderness plant life．When the deer can’t find enough food，they die．
If the wolves continue to kill large numbers of deer，their prey(猎物)will disappear some
day．And the wolves will．too．So we must change the cycle of life in the wilderness to balance the
ecology．If we killed more wolves，we would save them and their prey from dying out．We’d also
save some farm animals．
In another northern state，wolves attack cows and chickens for food．Farmers want the
government to send biologists to study the problem．They believe it necessary to kill wolves in some areas and to protect them in places where there is a small woIf population．
Against Killing Wolves
If you had lived long ago，you would have heard many different stories about the dangerous
wolf．According to most stories，hungry wolves often kill people for food．Even today，the stories of the“big bad woIf'＂will not disappear．
But the fact is wolves are afraid of people．and they seldom travel in areas where there is a
human smell．When wolves eat other animals，they usually kill the very young．or the sick and
injured .The strongest survive .No kind of animal would have survived through the centuries if the
weak members had lived．And has always been a law of nature
Although some people say it is good sense to kill wolves，we say it is nonsense!Researchers
have found wolves and their prey living in balance．The wolves keep the deer population from
becoming too large,and that keeps a balance in the wilderness plant life．
The real problem is that the areas where wolves can live are being used bv people．Even if
wilderness land is not used directly for human needs．the wolves can’t always find enough food .So they travel to the nearest source,which is often a farm．Then there is danger．The“big bad wolf”has arrived! And everyone knows what happens next．
1．According to the passage，some people in North America favor killing wolves for all the following reasons EXCET that_____________．
A．there are too many wolves                  B．they kill large numbers deer
C．they attack cows and chickens for food        D．they destroy the wilderness plant life
2．Some people are against killing wolves because____________．
A．wolves help to keep the ecological balance in the wildemess
B．there is too small a wolf population in the wilderness
C．there are too many deer in the wilderness
D．wolves are afraid of people and never attack people
3．According to those against killing wolves，when wolves eat other animals，____________．
A．they never eat strong and healthy ones
B．they always go against the law of nature
C．they might help this kind of animals survive in nature
D．they disturb the ecological balance in the wilderness
4．The last sentence“And everyone knows what happens next”implies that in such cases____________．
A．farm animals will be in danger and have to be shipped away
B．woIves will kill people and people will in turn kill them
C．wolves wilI find enough food sources on famls
D．people will leave the areas where wolves can live

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