单项选择题

船舶发生溢油事故时，水手的主要工作是清理油污。（）

A. When oilspilling happens on board, the sailors’ work is to do oil-cleaning.
B. When oilspilling happens on board, the sailors’ work is painting.
C. When oilspilling happens on board, the sailors’ work is to do some repair work.
D. When oilspilling happens on board, the captain is in over command of it.

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救火队员之间用灯光保持视觉联系。（）

A. Fire party members maintain contact with lamps.
B. Fire party members maintain visual contact use lamps.
C. Fire party members maintain visual contact with lamps.
D. Fire party members maintain visual contact by lamps.

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A. I’m on the spot organize firefighting.
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B. The lifebuoys are on the forecastle.
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