A.at
B.by
C.in
D.on
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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
A.about
B.in
C.with
D.from
A.exchange navigational information between vessels
B.exchange navigational information between a vessel and a shore station
C.conduct necessary tests
D.exchange operating schedules with company dispatcher
最新試題
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
What is meant by veering the anchor chain? （）
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
What does the abbreviation VHF stand for?（）
I’d like to know something about the cargo condition at the loading port（）detail.
（）your present speed?
How should the letter O be pronounced when spoken on the radiotelephone?（）
You are making a telephone call ship-to-shore using the VHF-FM service.You can tell that the working channel is busy if you hear（）.
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.