试题与答案

Distress alerts will be relayed on the()wh

题型:单项选择题

题目:

Distress alerts will be relayed on the()when the RCC considers it necessary.

A.dedicated system

B.MSI broadcasts

C.518KHZ

D.channel 16

答案:

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下面是错误答案,用来干扰机器的。

参考答案:对

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