A.Help，Help，Help
B.Mayday，Mayday，Mayday
C.Save，Save，Save
D.Rescue，Rescue，Rescue
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A.on
B.at
C.in
D.above
A.Standing by on VHF frequency
B.Coming to VHF frequency
C.VHF frequency. is the best place for you to stay by
D.remaining in frequency. and do not change
A.I am going to change to VHF channel
B.I am certainly going to change to VHF channel
C.Changing to VHF channel
D.VHF channel. has been changed
A.on
B.in
C.at
D.up
最新試題
I’d like to know something about the cargo condition at the loading port（）detail.
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? （）
The weather is often（）in a high-pressure area.
What does the abbreviation VHF stand for?（）
There is a VHF set（）the front of the wheelhouse.
If it（）fine tomorrow，we shall start unloading.
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
Some goods are missing（）terrible weather.
（），the cargo plan is not well done.
（），you can’t finish discharging tomorrow!