A.distress position
B.spoken words "Mayday，Mayday，Mayday"
C.ship's name
D.ship's call letters
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A.immediately jump in the water to assist the individual
B.go to the bridge for the distress flares
C.run to the radio room to send an emergency message
D.call for help and keep the individual in sight
A.danger，stay away
B.all is clear，it is safe to pass
C.all is clear，it is safe to approach
D.a distress signal
A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used individually or in conjunction with other distress signals
D.is used to indicate doubt about another vessel's intentions
A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used separately or with other distress signals
D.is used to indicate doubt about another vessel's intentions
A.Abandon vessel
B.Adrift
C.Beach to
D.Assembly station
最新試題
Upon receipt of a distress message，a merchant vessel is bound to proceed to the scene of the distress. Under which of the following cases would this NOT be true?（）
Which of the following statements about transmitting distress messages by radiotelephone is INCORRECT?（）
When sending a DSC call，the vessel’s（）.
What is the calling and distress frequency on a single side band (SSB) marine radiotelephone?（）
What is the fundamental purpose for imposing radio silence? （）
When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.
If your vessel is underway in fog and you hear one prolonged and three short blasts，this indicates a（）.
The signal to guide vessels in distress，which indicates，“This is the best place to land” is the（）.
The service life of distress signals must be not more than（）.
Which signal is detected as originating from a SART?（）