A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
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A.to be
B.is
C.will be
D.has been
A.at
B.by
C.in
D.on
A.home
B.family
C.China
D.returning
A.cast
B.to cast of
C.cast off
D.to cast off
A.OCK TOW BER
B.O RI AN
C.OSS CAH
D.OA KAM
最新試題
The weather is often()in a high-pressure area.
All VHF marine band radios operate in the simplex mode,which means that().
If it()fine tomorrow,we shall start unloading.
The control of distress traffic is the responsibility of().
()your present speed?
Please()all the lines fore and aft,the vessel is just in her position of the berth now.
Some goods are missing()terrible weather.
I am ready()tow line.
How()the cargo at loading port?
My ship()that port next month.