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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

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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

單項(xiàng)選擇題

Because of the （）, we have to keep a sharp lookout.

A. poor visibility
B. good visibility
C. good weather
D. dry weather

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