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【題目】Several traffic accidents have happened recently．If drivers are careful enough，most accidents ．

A．can prevent B．can be prevented

C．need prevent D．will prevent

【答案】B

【解析】

試題分析：句意：最近發(fā)生了幾起交通事故，如果司機們都很小心的話，大多數事故是可以阻止的。Accidents是prevent這一動作的承受者，該用被動語態(tài)。而含有情態(tài)動詞的被動語態(tài)形式是“情態(tài)動詞+be+實意動詞的過去分詞”，所以選B。

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