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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 fright, that their gardens had disappeared overnight. The sea had eaten into the soft limestone cliffs (石灰崖) 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 cliff 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 got rid of 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 build 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, changing 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.
1．What is the cause of the problem that people living on parts of south coast of England face?
[ ]
A．The disappearance of hotels, houses and gardens.
B．The experts have little knowledge of erosion.
C．The rising of the sea level.
D．The washing-away of limestone cliffs.
2．The erosion of the white cliffs in the south of England ________.
[ ]
A．will soon become a problem for people living in central England
B．has now become a threat to the local residents
C．is quickly changing the map of England
D．can be stopped if proper measures are taken
3．The experts' study on the problem of erosion can ________.
[ ]
A．lead to its eventual solution
B．provide an effective way to slow it down
C．help to prevent it from worsening
D．warn people whose homes are in danger
4．According to the author, when buying a house along the south coast of England, people should ________.
[ ]
A．be aware of the potential danger involved
B．guard against being cheated by the house agent
C．take the quality of the house into consideration
D．examine the house carefully before making a decision
