A.pay out
B.make fast
C.shorten
D.hold on
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A.calls
B.called
C.calling
D.call
A.telephone
B.telegraph
C.telex
D.VHF
A.calls at
B.has called at
C.call at
D.will call at
A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
A.to be
B.is
C.will be
D.has been
最新試題
There is a VHF set（）the front of the wheelhouse.
How should the letter O be pronounced when spoken on the radiotelephone?（）
I am ready（）tow line.
I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.
Some goods are missing（）terrible weather.
Pilot Station，this is Chinese ship Jinsha（）.Over.
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? （）
Do you require any further assistance ? My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
All VHF marine band radios operate in the simplex mode，which means that（）.