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單項(xiàng)選擇題

（）are used widely in the operation of warehouse and distribution center andform the basic handling device for a number of selection system.

A.Cranes
B.Conveyors
C.Forklifttruck
D.Pallets

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單項(xiàng)選擇題

（）is the process to handle returned goods,recycle useful materials and dispose waste goods.

A.Reverselogistics
B.Logisticsinformation
C.Transportation
D.Warehousing

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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