单项选择题

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

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单项选择题

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

单项选择题

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