2. 外语
  3. Cellular phones are wireless mobile phones that ______ and receive computer-controlled radio signals.

Cellular phones are wireless mobile phones that ______ and receive computer-controlled radio signals.

admin2011-01-28  59
问题 Cellular phones are wireless mobile phones that ______ and receive computer-controlled radio signals.
选项 A、transmit
B、give off
C、dispatch
D、launch
答案A
解析 动词辨异。A)transmit“传送，传播(声、热、信号等)”“：transmit from mouth to mouth口口相传； transmit a signal发信号；B)give off “发出(光、气味等)”：give off a funny smell发出一种古怪的气味；C) dispatch“发送(信件、电报等)”：dispatch an invitation发出邀请；D)launch“发射；发动(运动等)”：launch a missile发射导弹；launch an election campaign发起竞选活动
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大学英语四级

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