Essay 2 Transportation Decision 1.Selection of the mode is determined by the consideration of distance’cargo weig

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问题       Essay 2          Transportation Decision
1.Selection of the mode is determined by the consideration of distance’cargo weights,    linkage,timing and other requirements.Generally speaking,rail has high fixed cost and the relatively low variable cost.
  57.For heavy and long distance cargo with low cost,which of the following is the pre-ferred mode for transportation?(    )

选项 A、Trucks.
B、Water.
C、Aircraft.
D、Broken down in small bulks and deliver by air.

答案B

解析
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