A.report
B.reports
C.reported
D.reporting
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A.drifting
B.drifted
C.drift
D.draft
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
最新試題
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.
The weather is often（）in a high-pressure area.
I am ready（）tow line.
（）your present speed?
How should the letter O be pronounced when spoken on the radiotelephone?（）
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? （）
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? （）
Should that kind of weather（），the two ships would touch each other.
Pilot Station，this is Chinese ship Jinsha（）.Over.