單項選擇題

A person who sees someone fall overboard should（）.

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

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單項選擇題

A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.

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

單項選擇題

A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.

A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG（center of gravity）off center

A person who sees someone fall overboard should（）.

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A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.

A flooded lifeboat on board a vessel would adversely affect the vessel’s stability by（）.

A man aboard a vessel，signaling by raising and lowering his outstretched arms to each side，is indicating（）.