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
The control of distress traffic is the responsibility of（）.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
（），you can’t finish discharging tomorrow!
How（）the cargo at loading port?
I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.
How should the letter O be pronounced when spoken on the radiotelephone?（）
（）both anchors.
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
The weather is often（）in a high-pressure area.
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? （）