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
How（）the cargo at loading port?
I’d like to know something about the cargo condition at the loading port（）detail.
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
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（）.
The present voyage of my ship began at the port of Shanghai after loading 8 000 tons of Cargo on board and ended after discharging the Cargo at the port of Hong Kong，which was（）.
What is meant by veering the anchor chain? （）
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
What does the abbreviation VHF stand for?（）
Should that kind of weather（），the two ships would touch each other.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.