單項(xiàng)選擇題

There are many kinds of （）(艙蓋) on board a ship.

A.hatch covers
B.hatches
C.holds
D.bulkheads

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單項(xiàng)選擇題

（）(國旗) should be put on the stern of the ship.

A.Bridge
B.Ensign
C.design
D.Engine room

單項(xiàng)選擇題

Deck officers work on the （）(駕駛臺甲板).

A. bridge deck
B. main deck
C. compass deck
D. weather deck