Cellular phones are wireless mobile phones that ______ and receive computer-cont

游客2023-07-21  26

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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