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
Should that kind of weather（），the two ships would touch each other.
There is a drifting mine（）in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
The present voyage of my ship began at the port of Shanghai after loading 8 000 tons of Cargo on board and ended after discharging the Cargo at the port of Hong Kong，which was（）.
If it（）fine tomorrow，we shall start unloading.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
（），you can’t finish discharging tomorrow!
The expression STAND-BY ENGINE means:（）.
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.
I have been instructed that on my voyage（），I shall call at Maderra to pick up some cargo.
What does the abbreviation VHF stand for?（）