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

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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 their 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.

选项 A、The rising of the sea level.
B、The experts’ lack of knowledge.
C、The washing-away of limestone cliffs.
D、The disappearance of hotels, houses and gardens.

答案C

解析 从文章第一段的"The sea had eaten into the soft limestone cliffs on which they had been built"可知,花园的消失是由于悬崖受到海水侵蚀造成的。选项C中的"washing-away"就是"冲刷,侵蚀"的意思,所以C最符合题意。另外,选项A具有一定的干扰性,因为海平面升高,就会侵蚀海岸,但文章并没有提到海平面升高的问题,因此A不符合题意。纵观全文我们可以看出专家们找到了问题的根源,并就此提出了方案,由此可以看出"experts’ lack of knowledge"并不是造成问题的原因,因此B也不符合题意。"The disappearance of hotels,houses and gardens"是居住在南海岸的居民遇到的问题,而不是根源。所以D也不是正确答案。
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