题目内容

Mike _______ his computer and checked his e-mail.

A. turned on B. turned off

C. turned up D. turned down

 

A

【解析】

试题分析:句意:迈克打开电脑,查收电子邮件。Turn on打开;turn off关上;turned up放大;turned down减小。A符合语境

考点:考查动词短语辨析。

 

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