A.fine
B.cloudy
C.rainy
D.windy
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A.near
B.short
C.close
D.small
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
最新試題
Please（）all the lines fore and aft，the vessel is just in her position of the berth now.
How should the letter O be pronounced when spoken on the radiotelephone?（）
How（）the cargo at loading port?
What is meant by veering the anchor chain? （）
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
There is a（）mine in position 50°N，30°W.
If you know that the vessel you are about to call on the VHF radio maintains a radio watch on both the working and the calling frequencies，which frequency should you call on? （）
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.
All VHF marine band radios operate in the simplex mode，which means that（）.