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單項(xiàng)選擇題

（）is the Internet commerce designed for direct communications and commercial relationship between a firmand its end customer.

A.B2C
B.B2B
C.B2A
D.A2B

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多項(xiàng)選擇題

Transport agencies include air and surface（）.

A.freightforwarders
B.shipper＇sassociations
C.insurancebrokers
D.transportationbrokers

多項(xiàng)選擇題

Logistics information refers to general logistics（）and documentation.

A.knowledge
B.materials
C.images
D.CPU

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