单项选择题

When evacuating a seaman by helicopter lift，which statement is TRUE?（）

A.Evacuation should be from an area forward of the bridge
B.The vessel should be slowed to bare steerageway
C.If the hoist is at the stern，booms extending aft at the stern should be cradled with the topping lifts hove taut
D.The litter should not be touched until it has been grounded

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单项选择题

When a rescuer finds an electrical burn victim in the vicinity of live electrical equipment or wiring，his first step is to（）.

A.flush water over any burned area of the patient
B.apply ointment to the burned areas on the patient
C.get assistance to shut down electrical power in the area
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A.Green star rocket
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单项选择题

What is the lifesaving signal for You are seen -assistance will be given as soon as possible?（）

A.3 white star signals
B.Horizontal motion with a white flag
C.Vertical motion of a white light
D.Code letter K by blinker light