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單項選擇題

（）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