问题
单项选择题
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
答案
参考答案:A
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
参考答案:A