Mike

问题详情：

 Mike ________ his computer and checked his e-mail.

A. turned on          B. turned off         C. turned up            D. turned down

【回答】

A

词汇辨析题。看*四个词组的词义，A. turned on 打开，B. turned off 关掉，turned up加大音量，D. turned down 缩小音量。句义应为“Mike打开电脑，检查他的e-mail.” 故选A。

知识点：动词和动词短语

题型：选择题