试题与答案

What does the speaker mean A.He was nearl

题型:单项选择题

题目:


What does the speaker mean

A.He was nearly killed by someone.

B.He saw a ghost in the house.

C.He was scared out of his wits.

D.He saw a man rushing at him.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:解析:无线扩频设备共分三类:无线扩频收发器;无线扩频网桥;无线扩频路由器。需要增加一个天线。

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