A.That
B.It
C.Which
D.What
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A.Loading
B.Load
C.Lade
D.Laden
A.Help，Help，Help
B.Mayday，Mayday，Mayday
C.Save，Save，Save
D.Rescue，Rescue，Rescue
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
最新試題
A call between any two ship stations on an intership working frequency shall have a maximum duration of（）.
The height of a VHF radio antenna is more important than the power output wattage of the radio because（）.
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.
The space in Hatch No.4 tweendeck is too（）.
Vessels wishing to communicate with the Port Health Officer should do（）on VHF Channel 14.
（）both anchors.
One hour before arrival at Elbe 1 light vessel，masters are advised to contact the pilot boat by（）.
How（）the cargo at loading port?
Some goods are missing（）terrible weather.