单项选择题
A. important B. most modern C. most common D. traditional
（）sail on regular routes and on a fixed timetable.A. Tr...
单项选择题（）sail on regular routes and on a fixed timetable.
A. Tramps B. Container ships C. Liners D. cargo vessels
In（） ships, the cargo space is divided into tanks.A. co...
单项选择题In（） ships, the cargo space is divided into tanks.
A. container B. dry cargo C. bulk D. liquid cargo
In dry cargo ships, the cargo space is divided into（）.A...
单项选择题In dry cargo ships, the cargo space is divided into（）.
A.tankers B.holds C.tank D.tanks
