单项选择题
A.To link some separate factors as a whole chain B.United C.To put together D.Mixture
How many flow are there in global logistics?（）A.One ...
单项选择题How many flow are there in global logistics?（）
A.One B.Two C.Four D.Three
How long the haul for international deep-sea movement u...
单项选择题How long the haul for international deep-sea movement usually?（）
A.Very long B.Ten thousands of miles C.Thousands of miles D.Thousands of kilometers
（）Which area is the most commodity shipped in water tra...
单项选择题（）Which area is the most commodity shipped in water transport?
A.In international deep sea B.In lakes C.In river and canals D.Coastal ocean
