Any person maintaining a listening watch on a bridge to bridge radio-telephone must be able to（）.<br>A:Speak English<br>B:Repair the unit<br>C:Speak Spanish<br>D:Send Morse code

Any person maintaining a listening watch on a bridge to bridge radio-telephone must be able to（）.
A:Speak English
B:Repair the unit
C:Speak Spanish
D:Send Morse code

出自：海船船员证

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