单项选择题

What should be used to steer an open lifeboat if the rudder becomes lost or damaged?（）

A.Sea anchor
B.Steering oar
C.Spare rudder
D.Daggerboard

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单项选择题

Vessel’s provisions refer to（）of the vessel.

A.fuel oil
B.vegetables and food
C.spare parts on board
D.ballast water

单项选择题

To clean a dirty fiber towing hawser used in ocean towing，you should（）.

A.use lye or other mild detergent
B.wash it with fresh water，dry and store it
C.wash it with salt water
D.use cleaning fluid on nylon，dacron and other synthetic lines

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The order of importance in addressing damage control on a ship is（）.

A.control flooding，control fire，repair structural damage
B.restore vital services，control fire，control flooding
C.control fire，restore vital services，control flooding
D.control fire，control flooding，repair structural damage