A.Mayday，Mayday，Mayday
B.Pan，Pan，Pan
C.Security，Security，Security
D.Lights out，Lights out，Lights out
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A.to get the engine ready
B.to respond to the engine
C.to maneuver the engine
D.to change the engine
A.due
B.because of
C.because
D.since
A.persist
B.persists
C.to persist
D.persisted
A.pay out
B.make fast
C.shorten
D.hold on
A.calls
B.called
C.calling
D.call
最新試題
How should the letter O be pronounced when spoken on the radiotelephone?（）
（）both anchors.
The control of distress traffic is the responsibility of（）.
（），the cargo plan is not well done.
（）your present speed?
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
Pilot Station，this is Chinese ship Jinsha（）.Over.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
The expression STAND-BY ENGINE means:（）.
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（）.