A.persist
B.persists
C.to persist
D.persisted
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A.pay out
B.make fast
C.shorten
D.hold on
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
最新試題
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
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?（）
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（）.
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
I’d like to know something about the cargo condition at the loading port（）detail.
There is a（）mine in position 50°N，30°W.
I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.