A.the continuous sounding of any fog signal apparatus
B.giving five or more short and rapid blasts of the whistle
C.firing a gun at intervals of about a minute
D.a barrel with burning oil in it，on deck
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A.a green star signal
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
A.Red flares or red rockets
B.Continuous sounding of fog signaling apparatus
C.International Code Flags November and Charlie
D.Basket hanging in the rigging
A.MAYDAY sent by radiotelephone
B.Continuous sounding of fog horn
C.Green star shells fired from a launcher
D.Square flag and ball in a vertical line
A.abandon ship
B.assist in taking whatever action is necessary to avoid collision
C.hold course and speed
D.sound a distress signal
最新試題
AS SOON AS I HAVE FURTHER INFORMATION I WILL MAKE ANOTHER ANNOUNCEMENT. I ASK YOU KINDLY TO REMAIN CALM. THERE IS NO DANGER AT THIS TIME. These words are likely from（）.
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
Whenever your marine radio is on，F(xiàn)CC Rules require you to monitor（）.
If you are transmitting a distress message by radiotelephone you should（）.
The service life of distress signals must be not more than（）.
All of the following are distress signals EXCEPT（）.
After launching，an inflatable raft should be kept dry inside by（）.
When two vessels are in immediate danger of collision，the stand-on vessel must（）.
If you hear the firing of a gun at one minute intervals from another vessel，this indicates that（）.
On every vessel，distress signals must be stowed（）.