船与岸进行SSB常规通信.通常该船台选择：（）A.岸台开放的无线电_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

船与岸进行SSB常规通信.通常该船台选择：（）

A.岸台开放的无线电话对频

B.无线电话遇险和安全通信

C.随便任可一对通信频率

D.无线电话非成对频率

答案

参考答案：A

单项选择题

Questions 14-23

·Look at the ten statements for this part.
·You will hear a passage about "A Research on Sleep ". You will listen to it twice.
·Decide whetheryou think each statement is right(R), wrong(W) or not mentioned(NM).
·Mark your answers on the Answer Sheet.

The lower your stage of sleep, the slower your brain waves will be.

A．Right

B．Wrong

C．Not Mentioned

问答题简答题

简述如何培养学生良好的意志品质？