Because natural disasters occur at random times, it is difficult to warn people
题型:不详难度:来源:
Because natural disasters occur at random times, it is difficult to warn people _______.A.at present | B.at last | C.on time | D.in advance |
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答案
D |
解析
试题分析:at present目前,现在;at last最后;on time准时;in advance事先,预先。句意是因为自然灾害是随时发生的,很难预先警告人们。故选D。 点评:此题较易,主要考查介词短语的意思,根据上下文的意思进行选择。要求考生平时多积累,多记忆。 |
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