【多选题】Which of the following charters are belonged to tramp shipping?
【多选题】根据品牌来源划分,下列属于自有品牌的有( )
【单选题】The passage mainly tells us about______.
A.
the bus and train fares in the US
B.
the ways of paying a taxi in the US
C.
the public transportation in the US
D.
the advantage of subways in the US
【简答题】The characteristics of tramp shipping.
【判断题】Tramp shipping refers to chartering shipping.( )
【单选题】已知某系统特征方程的劳斯阵列如下所示,则说法正确的是( )
【多选题】For tramp shipping, who are involved?
【简答题】Kinds of tramp shipping basically include the followings:
【简答题】为降低照片反差,可选用号数()的照相机纸洗相。