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單項選擇題

（）is the function of loading goods in pallet and wrapping it.

A.Package
B.Containerization
C.Palletizing
D.Sorting

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單項選擇題

（）is the way to deliver goods for different shippers in the same truck by the most economic route.

A.Joint Distribution
B.United Distribution
C.Multiple Delivery
D.Joint Delivery

單項選擇題

（） is not a physical wall, but a lot of virtual data to protect the computer network.

A. Date wall
B. Date channel
C. Database
D. Firewall