单项选择题

A.Distress alertB.Safety alertC.Emergency alertD.Genera……

A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.

A.Distress alert
B.Safety alert
C.Emergency alert
D.General alert

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单项选择题You receive a call from the MSA OF CHINA addressed to all stations. The call begins with the words Pan-Pan (3 times). Which type of emergency signal would this be?（）.

A.Safety signal
B.Urgency signal
C.Distress signal
D.Red alert signal

单项选择题A continuous sounding of a fog-signal apparatus indicates（）.

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

单项选择题All of the following are distress signals EXCEPT（）.

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

单项选择题All of the following are distress signals under the Rules EXCEPT（）.

A.a green star signal
B.orange-colored smoke
C.red flares
D.the repeated raising and lowering of outstretched arms

单项选择题What is NOT a distress signal?（）.

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