单项选择题

（）the moving parts on the davit of the lifeboat.

A.Greasing
B.Grease
C.Greasy
D.Greased

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单项选择题

If there is a fire in a hold, what should you do?（）

A. Close the hatch, accesses and ventilators at once. Flood CO₂ into hold.
B. Open the hatch, accesses and ventilators at once. Flood CO₂ into hold.
C. Close the hatch, accesses and ventilators at once. Flood water into hold.
D. Open the hatch, accesses and ventilators at once. Flood water into hold.

单项选择题

（） must know the location as well as the operation of the life-saving and fire-fighting appliances.

A. All officers
B. All engineers
C. All the crew
D. All sailors

单项选择题

（）should be saved first in an accident.

A. The ship
B. The cargo on board
C. The persons on board
D. The bridge