單項(xiàng)選擇題

After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.

A.Jack the vessel back up to a safe height
B.Proceed on to your next destination since the list is unimportant
C.Pump out all ballast to gain reserve buoyancy
D.Notify the Coast Guard

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單項(xiàng)選擇題

After being rescued from the vessel accident，the people agreed that they had much to（）.

A.thank
B.be thankful
C.be thanked
D.be thankful for

單項(xiàng)選擇題

After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.

A.frequent opening of hatches to permit entry of fresh air
B.regular checks of bilge levels
C.use of ear plugs to dampen engine noise
D.frequent flushing of the water spray system with fresh water

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After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.

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After being rescued from the vessel accident，the people agreed that they had much to（）.

After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.

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After being rescued from the vessel accident，the people agreed that they had much to（）.

After being launched from a vessel，totally enclosed survival craft which have been afloat over a long period require（）.