單項選擇題

（）has three specific points: fixed line, fixed ports and announcing shipping time in advance.

A.Liner transport
B.Line ship
C.Line container
D.Line

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單項選擇題

（）can create added value.

A.Distribution processing
B.Manufacture
C.Product process
D.Packaging

單項選擇題

Air cargo is （）

A.air transport
B.air freight
C.air delivery
D.plane