单项选择题

Several sand boxes need （）.

A. to repair and renew
B. repairing and renewing
C. repair and renew
D. repaired and renewed

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单项选择题

When a ship is abandoned, all of the crew members hearing the alarm sounding should put on （）.

A. the life-jackets and carry the belongings first.
B. the life-jackets and carry the lifebuoys first
C. the life-jackets and gather at muster station first
D. the life-jackets and call the captain.

单项选择题

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

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

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.