A.telephone
B.telegraph
C.telex
D.VHF
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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
A.at
B.by
C.in
D.on
A.home
B.family
C.China
D.returning
最新試題
I’d like to know something about the cargo condition at the loading port（）detail.
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.
What is meant by veering the anchor chain? （）
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
Please（）all the lines fore and aft，the vessel is just in her position of the berth now.
The control of distress traffic is the responsibility of（）.
Pilot Station，this is Chinese ship Jinsha（）.Over.
（）both anchors.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
My ship（）that port next month.