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單項選擇題

（）refers to the height from the waterline to the bottom of the ship.

A.Draft
B.Freeboard
C.Derrick
D.Drift

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單項選擇題

（）refers to the repair the ship every year.

A. Voyage repair
B. Annual repair
C. Periodical repair
D. Survey check

單項選擇題

（）is used to absorb the water.

A.Paper
B.Glass
C.Sponge
D.Stow