A.Calling frequency
B.Distress frequency
C.Urgency frequency
D.Working frequency
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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
A.OCK TOW BER
B.O RI AN
C.OSS CAH
D.OA KAM
最新試題
The control of distress traffic is the responsibility of（）.
All VHF marine band radios operate in the simplex mode，which means that（）.
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.
The space in Hatch No.4 tweendeck is too（）.
I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
There is a（）mine in position 50°N，30°W.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
I’d like to know something about the cargo condition at the loading port（）detail.