单项选择题
Liners sail on regular routs and keep to a fixed timetable.()
A.班轮按照时间往返的。 B.班轮按照时间表,往返于固定的航线上。 C.班轮按照固定的航线往返的。 D.班轮按照固定的时间表,往返于固定的航线上。
单项选择题 Ships can be classified according to what they carry.()
单项选择题 A multi-purpose ship carries not only general cargo but also bulk cargo.()
单项选择题 You know the most modern type of dry cargo carriers is the container ship.()