A.near
B.short
C.close
D.small
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A.the port of destination
B.the next port of call
C.the port of arrival
D.the last port of call
A.VHF communications are basically line of sight
B.the air is more dense the higher you go
C.salt water is a poor conductor of sound
D.sea water absorbs the radiated energy
A.Mayday，Mayday，Mayday
B.Pan，Pan，Pan
C.Security，Security，Security
D.Lights out，Lights out，Lights out
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
最新試題
How should the letter O be pronounced when spoken on the radiotelephone?（）
There is a VHF set（）the front of the wheelhouse.
My ship（）that port next month.
I am ready（）tow line.
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
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（）.
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（）.
The generators on your rig have shut down，leaving you without navigation lights. Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament? （）