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    精英家教网 > 初中英语 > 题目详情
    Parts of Africa are covered by a dark cloud. But this is no rain cloud. It is a living cloud made of billions of locusts (蝗虫) and they are eating everything in their path.
    And now in order to fight against this disaster, a radio station in Senegal, West Africa, is offering listeners 5 kilograms of rice if they can catch and kill 50 kilograms of locusts. “We think this idea will get more people to take part in the fight against the locusts,” said Abdoulaye Ba, from Sud-Fm, a radio station in one of Senegal’s worst affected area.
    This is West Africa’s biggest locust disaster in 15 years. Now it is moving east and it leads to the loss of crops. When they move, they have babies, so their number is getting bigger. and will soon threaten (威胁) Sudan in the northeast of Africa. Some say it may reach Asia.
    Experts say many people in the areas will go hungry because of this disaster. What’s worse, governments in the areas don’t have enough things to fight the locusts.
    Although leaders of 12 countries have agreed on a plan, it is not enough. ‘We are now treating 6,000 hectares (公顷) per day with pesticide (杀虫剂), but we need to treat 20,000 hectares per day in order to have any hope of controlling this disaster,’ said Mohamed Abdallahi Ould Babah, leader of locust control(控制) in Mauritania.
    小题1:What does“dark cloud”mean in the first para­graph, the writer of the article ___________.
    A．wanted to show the size and speed(速度) of the coming locusts
    B．wanted to show the great damage that locusts may cause
    C．wanted that locusts could cover the continent like rain clouds
    D．both A and B
    小题2:The locust disaster ________.
    A．may be even more serious in Asia
    B．is (was) such a big problem that people can’t do anything to solve it.
    C．affected only the warning areas
    D．can not be stopped if people can’t get more pesticide.
    小题3:How many kilograms of rice can Mike get if he catches and kills 450 kilos of locusts?
    A．15B．25 C．30D．45
    小题4: Which of the following is WRONG?
    A．Sud-Fm offered a reward(奖励) to those people would join in catching and killing locusts.
    B．Senegal is to the northwest of Sudan.
    C．People in West Africa often go hungry.
    D．12 countries worked together but they didn’t have enough pesticide.
    小题5:The story is mainly about ________.
    A．Countries in West Africa worked together to fight a natural disaster
    B．the difficulty in controlling locusts
    C．how locusts caused great damage (破坏) to West Africa
    D．a fight against a disaster brought by locusts in West Africa

    小题1:D
    小题2:D
    小题3:D
    小题4:B
    小题5:D

    试题分析：这篇短文讲述的是非洲的部分地区遭受了非常严重的蝗虫灾害，造成了很大的损失。现在政府及其他国家的领袖都已经采取措施，展开行动，消灭蝗虫。电台也呼吁更多的人加入到与蝗虫的战斗中来。
    小题1:推理判断题。文章的开头用a dark cloud 一片黑云来形容蝗虫，是想向我们表明蝗虫的数量非常之多，移动速度之快，以及蝗虫造成的损失有多么严重。故选D。
    小题2:推理判断题。根据文章的最后一段，我们可以知道，为了控制住蝗虫导致的灾害，每天需要用杀虫剂来清理20，000公顷的土地，但是现在的状况是每天只能清理6，000公顷的土地，所以如果没有更多的杀虫剂，蝗虫的灾害是无法停止的。故选D。
    小题3:细节理解题。根据文章中…is offering listeners 5 kilograms of rice if they can catch and kill 50 kilograms of locusts.可知，人们每杀死50公斤的蝗虫，便可得到5公斤的大米，故经过计算，杀死450公斤的蝗虫，可以得到45公斤的大米，故选D。
    小题4:推理判断题。根据文章This is West Africa’s biggest locust disaster in 15 years可知Senegal在非洲的西部，而Sudan在非洲的Sudan in the northeast of Africa.东北部，故Senegal应该在Sudan的西南部，故B选项说Senegal在Sudan的东南部是不对的。故选B。根据文章的第二段我们可知A是正确的；根据文章第四段可知C是正确的；根据文章的最后一段可知D是正确的。
    小题5:主旨大意题。这篇文章主要讲的是非洲西部发生的严重的蝗虫灾害，而且各方面正为消灭蝗虫而做着努力，故选D。B、C两个选项都只是文章内容的一部分，不全面。A选项的表示不正确，为消灭蝗虫的灾害，不只是非洲西部的国家在做着努力。故选D。
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