單項選擇題

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

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單項選擇題

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

單項選擇題

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