单项选择题

Before personnel are lifted from a vessel in a personnel basket，the vessel should be（）.

A.Directly under the boom
B.Moving away from the boom
C.Stopped dead in the water
D.Tied to the boom

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单项选择题

An orange flag showing a black circle and square is a（）.

A.Signal indicating a course change
B.Distress signal
C.Signal of asking to communicate with another vessel
D.Signal indicating danger

单项选择题

An inflatable liferaft should be manually released from its cradle by（）.

A.cutting the straps that enclose the container
B.removing the rubber sealing strip from the container
C.loosening the turnbuckle on the securing strap
D.pushing the button on the hydrostatic release

单项选择题

An inflatable liferaft is hand-launched by（）.

A.pulling a cord
B.cutting the wire restraining bands
C.removing the rubber packing strip
D.throwing the entire container overboard