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Because natural disasters occur at random times, it is difficult to warn people

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Because natural disasters occur at random times, it is difficult to warn people

Because natural disasters occur at random times, it isdifficult to warn people _______.

A．at present         B．at last             C．on time           D．in advance

 

试题答案

【答案】

D

【解析】

试题

标签：timesrandomisitat

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