题目内容

20．The thieves ran away as soon as the alarm _____．（　　）
A．gave offB．put offC．showed offD．went off

分析 警铃一响，小偷们就跑走了．

解答 答案D．
give off 发出（光，烟，气味等）；put off延期；脱去（衣、帽等）；show off 炫耀；go off（警报）响；离开．根据时间状语从句的主语"the alarm"可知句子表达的意思是"警铃一响，小偷们就跑走了"；故答案选D．

点评 本题考查动词短语的辨析．英语中有的词组没有捷径，只有平时加强记忆，要注意区别，记忆的时候不能忽视，这是常见的命题方式．平时要加强记忆，做题时，别忘了要结合上下文句意判断．

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