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題目:Railway interconnection between China and the B&R countries performed very well.In 2017,()saw the highest growth rate when railway serves as the transportation mode.
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Railway interconnection between China and the B&R countries performed very well.In 2017,()saw the highest growth rate when railway serves as the transportation mode.

A.import volume

B.freight volume

C.export volume

D.traffic volume

正確答案:export volume

關鍵字:智慧樹
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