A.Distress alert
B.Safety alert
C.Emergency alert
D.General alert
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A.Safety signal
B.Urgency signal
C.Distress signal
D.Red alert signal
A.the vessel is in distress
B.the vessel has completed loading dangerous cargo
C.it is safe to pass
D.the vessel is anchored
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.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
最新試題
On every vessel，distress signals must be stowed（）.
When two vessels are in immediate danger of collision，the stand-on vessel must（）.
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（）.
An orange flag showing a black circle and square is a（）.
What is NOT a distress signal?（）
A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
The color of rockets，shells，or rocket parachute flares used to indicate that the vessel is in distress and requires immediate assistance is（）.
A person who sees someone fall overboard should（）.
What is NOT a distress signal?（）
An airplane wants a vessel to change course and proceed towards a vessel in distress. The actions of the aircraft to convey this message will NOT include（）.