A.calls at
B.has called at
C.call at
D.will call at
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A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
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
最新試題
The space in Hatch No.4 tweendeck is too（）.
There is a VHF set（）the front of the wheelhouse.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
What is meant by veering the anchor chain? （）
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
Please（）all the lines fore and aft，the vessel is just in her position of the berth now.
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
The weather is often（）in a high-pressure area.