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單項選擇題

（）sail on regular routes and on a fixed timetable.

A. Tramps
B. Container ships
C. Liners
D. cargo vessels

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單項選擇題

In（） ships, the cargo space is divided into tanks.

A. container
B. dry cargo
C. bulk
D. liquid cargo

單項選擇題

In dry cargo ships, the cargo space is divided into（）.

A.tankers
B.holds
C.tank
D.tanks

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