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單項(xiàng)選擇題

What is the meaning of integration?（）

A.To link some separate factors as a whole chain
B.United
C.To put together
D.Mixture

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單項(xiàng)選擇題

How many flow are there in global logistics?（）

A.One
B.Two
C.Four
D.Three

單項(xiàng)選擇題

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