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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1.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

2.單項選擇題A distress signal（）.

A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used individually or in conjunction with other distress signals
D.is used to indicate doubt about another vessel's intentions

3.單項選擇題A distress signal（）.

A.consists of 5 or more short blasts of the fog signal apparatus
B.consists of the raising and lowering of a large white flag
C.may be used separately or with other distress signals
D.is used to indicate doubt about another vessel's intentions

4.單項選擇題TO EVACUATE A VESSEL FROM CREW AND PASSENGERS FOLLOWING A DISTRESS means（）.

A.Abandon vessel
B.Adrift
C.Beach to
D.Assembly station

5.單項選擇題You can indicate that your vessel is in distress by（）.

A.displaying a large red flag
B.displaying three black balls in a vertical line
C.sounding four or more short rapid blasts on the whistle
D.continuously sounding the fog whistle