公共英语考试

解析:Africa is the second largest contin

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【单选题】Africa is the second largest continent in the world, Yet much ofAfrica has not been developed by man into farms and cities. One of the reasons is that a dangerous and unpleasant insect called the tsetse fly(采采蝇)is found there. This fly makes its home in the heart ofAfric
A、
The tsetse fly is a little larger than the housefly. Its name means "fly that destroys cattle". It lives by sucking blood from animals. It attacks man, as well as his herds of cattle.
The tsetse fly carries sleeping sickness to those men it bites. Sleeping sickness makes men veryill, and some forms of it cause death. The tsetse fly also causes diseases in animals. In some places inAfrica, it has destroyed whole cattle herds.
It is hard for man and his cattle to live with the tsetse fly. Some experts even think that it has kept 400 million square miles ofAfrica a wilderness. This wilderness is a place as large as the whole United States. Without the tsetse fly, more land could be used by man.
Without it, many more cattle could be raiseD、People are working to get rid of the fly. However, it is a hard job and will take a long time.
Which of the following is true

A、People have done nothing to get rid of the tsetse flies.
B、People are trying to find out ways to get rid of the tsetse flies.
C、No ways can be found to get rid of the tsetse flies.
D、It won’t be long before people get rid of all the tsetse flies inAfric
A、
网考网参考答案:B
网考网解析:

[解析] 细节题。文章最后一句说人们在寻找消灭采采蝇的方法。所以选B。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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