单项选择题

A message warning of a tropical storm should be sent as a(n)（）.

A.routine message
B.urgent message
C.distress message
D.safety message

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单项选择题

A crew member has just fallen overboard off your port side. Which action should you take?（）.

A.Immediately put the rudder over hard right
B.Immediately put the rudder over hard left
C.Immediately put the engines astern
D.Wait until the stern is well clear of the man and then put the rudder over hard right

单项选择题

（）of the following messages is allowed to be transmitted on the radiotelephone without the authority of the Master.

A.Urgency signal
B.Safety signal
C.Distress signal
D.None of the above

单项选择题

MV SUDAN/MEAN AT 0200UTC IN POSITION 40.44N 141.52E PASSED A DERELICT ABOUT 40 TONS HALF SUBMERGED AND IS DRIFTING. This cable says that she met with possibly（）.

A.a floating wreck
B.a survivor at sea
C.a man who had fallen overboard
D.a drilling rig