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單項(xiàng)選擇題

The sailors are （）the leakage in fire-fighting and life-saving operations.

A. blocking up
B. looking up
C. looking out
D. taking up

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單項(xiàng)選擇題

The （）from waterline to the bottom of the ship is called draft.

A.breadth
B.depth
C.width
D.height

單項(xiàng)選擇題

The （）part of the ship on port is called the port bow.

A.aft
B.forward
C.head
D.bow

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