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單項(xiàng)選擇題

What is the most important product-related factor the transport cost? （）

A. Linkages
B. Distances
C. Equipment
D. Time

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單項(xiàng)選擇題

How many product-related factors are there to influence the transport cost? （）

A.Four
B.Three
C.Two
D.Five

單項(xiàng)選擇題

Which mode of transportation is most flexible? （）

A.Air
B.Ship
C.Rail
D.Motor