How many stages in the processing of logistics integration?（） One。 Two。 Three。 Four。
What is the meaning of integration? （） To link some separate factors as a whole chain。 United。 To put together。 Mixture。
How many flows are there in global logistics?（） One。 Two。 Four。 Three。
What are transported mainly by water? （） Raw materials。 Heavy, bulky and low value commodities。 Semi-processed。 Great amount goods。
How many categories are there in water transport?（） 2。 3。 4。 Not available in the paragraph。
Which area is the most commodities shipped in water transport?（）
