单项选择题

If you see anybody fall overboard，act as follows except……

If you see anybody fall overboard，act as follows except（）.

A.tell an officer/crew the person's position in the water，or telephone the bridge immediately
B.throw lifebuoys overboard
C.call out "Man overboard" and keep your eyes on the person in the water
D.try to find medicine for the person to use when he is rescued

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单项选择题An immersion suit must be equipped with a(n)（）.

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B.whistle and light
C.whistle，light，and reflective tape
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单项选择题An emergency sea anchor may be constructed by using（）.

A.a boat bucket
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D.All of the above

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A.Bona fide
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C.Prima facie
D.Action in personam

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A.spoken
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C.told
D.communicated

单项选择题After you activate your emergency position indicating radiobeacon，you should（）.

A.turn it off for five minutes every half-hour
B.turn it off and on at five-minute intervals
C.turn it off during daylight hours
D.leave it on continuously