单项选择题
A.Internal functions B.External functions C.Information systems D.Physical distribution
If a shipper has strict arrival and departure requireme...
单项选择题If a shipper has strict arrival and departure requirements, which kind of transport mode he should consider firstly?（）
A.Railroad B.Motor C.Both of them D.Neither of them
（）are respectively the dominant transport mode in China...
单项选择题（）are respectively the dominant transport mode in China and in the United States.
A.Rail and motor B.Motor and rail C.Rail and rail D.Water and rail
Since rail network is not as extensive as highway netwo...
单项选择题Since rail network is not as extensive as highway network in most countries and its limitation to fixed track facilities, as a result, railroads provide （） service.
A.Door to door B.Door to cy C.Door to cfs D.Terminal to terminal
