单项选择题
（）sail on regular routes and on a fixed timetable.
A. Tramps
B. Container ships
C. Liners
D. cargo vessels
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相关考题
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单项选择题
In（） ships, the cargo space is divided into tanks.
A. container
B. dry cargo
C. bulk
D. liquid cargo -
单项选择题
In dry cargo ships, the cargo space is divided into（）.
A.tankers
B.holds
C.tank
D.tanks -
单项选择题
（）the rise and fall of the tide.
A.Notice
B.Note
C.Attention
D.Look out
