A.drifting
B.drifted
C.drift
D.draft
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A.fine
B.cloudy
C.rainy
D.windy
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
最新試題
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
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（）.
How should the letter O be pronounced when spoken on the radiotelephone?（）
Some goods are missing（）terrible weather.
（），you can’t finish discharging tomorrow!
Please（）all the lines fore and aft，the vessel is just in her position of the berth now.
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? （）
I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.
The weather is often（）in a high-pressure area.