单项选择题
A. duty B. special duties C. special duty D. special
（）（货船）can be divided into two basic types.A. Cargo ship...
单项选择题（）（货船）can be divided into two basic types.
A. Cargo ships B. Oil ships C. Gas carriers D. Tramps
The most modern ship is（）（集装箱船）.A. dry cargo shipB. con...
单项选择题The most modern ship is（）（集装箱船）.
A. dry cargo ship B. container ship C. liquid cargo ship D. refrigerated ship
A few ships carry（）（旅客）.A.lightshipB.passengersC.ferryD...
单项选择题A few ships carry（）（旅客）.
A.lightship B.passengers C.ferry D.cadet
