A.home
B.family
C.China
D.returning
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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
A.only one person may talk at a time
B.only two persons may talk at the same time
C.the radio only transmits
D.the radio only receives
最新試題
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（）.
There is a（）mine in position 50°N，30°W.
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（）.
（）your present speed?
What is meant by veering the anchor chain? （）
The space in Hatch No.4 tweendeck is too（）.
The weather is often（）in a high-pressure area.
The control of distress traffic is the responsibility of（）.
There is a VHF set（）the front of the wheelhouse.