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單項選擇題

There is a （）(燈塔).

A. lighthouse
B. light buoy
C. light castle
D. lightship

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單項選擇題

（）(液體)cargo is carried by tankers.

A.Dangerous
B.Liquid
C.Inflammable
D.Heavy

單項選擇題

（）(干散) cargo is carried by bulk carriers.

A.Liquid
B.Dry
C.General
D.Dry bulk