单项选择题
（）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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相关考题
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（）is the process to handle returned goods,recycle useful materials and dispose waste goods.
A.Reverselogistics
B.Logisticsinformation
C.Transportation
D.Warehousing -
单项选择题
（）is the Internet commerce designed for direct communications and commercial relationship between a firmand its end customer.
A.B2C
B.B2B
C.B2A
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多项选择题
Transport agencies include air and surface（）.
A.freightforwarders
B.shipper＇sassociations
C.insurancebrokers
D.transportationbrokers
