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  3. People living on parts of the south coast of England face a serious problem. In 1993 , the owners of a large hotel and of severa

People living on parts of the south coast of England face a serious problem. In 1993 , the owners of a large hotel and of severa

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问题     People living on parts of the south coast of England face a serious problem. In 1993 , the owners of a large hotel and of several houses discovered, to dieir horror, that their gardens had disappeared overnight. The sea had eaten into the soft limestone cliffs on which they had been built. While experts were studying the problem, the hotel and several houses disappeared altogether, sliding down the cliff and into the sea.
    Erosion (侵蚀) of the white cliffs along the south coast of England has always been a problem but it has become more serious in recent years. Dozens of homes have had to be abandoned as the sea has crept farther and farther inland. Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea.
    Angry owners have called on the Government to erect sea defenses to protect their homes. Government surveyors have pointed out that in most cases, this is impossible. New sea walls would cost hundreds of millions of pounds and would merely make the waves and currents go further along the coast, shifting the problem from one area to another. The danger is likely to continue, they say, until the waves reach an inland area of hard rock which will not be eaten as limestone is. Meanwhile, if you want to buy a cheap house with an uncertain future, apply to a house agent in one of the threatened areas on the south coast of England. You can get a house for a knockdown price but it may turn out to be a knockdown home.
It is not feasible to build sea defenses to protect against erosion because______.
选项 A、it is too cosdy and will endanger neighboring areas
B、the government is too slow in taking action
C、they will be easily knocked down by waves and currents
D、house agents along the coast do not support the idea
答案A
解析 细节题。定位在第三段。该题的题干中的关键词是sea defenses，原文中与此近义的表达是sea wall，出现在第三段第三句话。这句的意思是“修建新的防浪大堤将花费上亿英镑，而且会使海浪和水流沿着海岸线进一步侵蚀，将该问题从一个地区转移到另一个地区。”答案A是对这句话的概括。
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