A.signal indicating a course change
B.distress signal
C.signal of asking to communicate with another vessel
D.signal indicating danger
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A.circling the vessel at least once
B.heading in the direction of the distress location
C.flashing the navigation lights on and off
D.crossing ahead and rocking the wings
A.immediate danger to collide with another vessel
B.a situation in which more passengers will embark on board
C.berth and ready to disembark her passengers
D.distress
A.International Code Signal AA
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms
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
A.The unit is working properly
B.The face mask is not sealed properly
C.The air bottle needs to be refilled
D.The air supply hose has a leak
最新試題
All of the following are distress signals under the Rules EXCEPT（）.
A distress signal（）.
ALL PASSENGERS OF DECK NO.2 ARE REQUESTED TO FOLLOW THE CREW MEMBERS WHO WILL ESCORT YOU TO YOUR ASSEMBLY STATIONS. From this sentence you can concluded that the vessel is in（）.
On every vessel，distress signals must be stowed（）.
The distress message of a ship should include considerable information which might facilitate the rescue. This information should（）.
An orange flag showing a black circle and square is a（）.
If you are transmitting a distress message by radiotelephone you should（）.
All of the following are distress signals EXCEPT（）.
When two vessels are in immediate danger of collision，the stand-on vessel must（）.
At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.