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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.

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
正确答案：export volume
标签：丝路英语漫谈一带一路
上一条：In the past five years， the infrastructure construction is booming.Major progress has been made in Inter-regional and intercontinental（）.
下一条：China and countries along the B&R routes are making efforts to promote（）infrastructure construction and operation management.The impact of climate change has been taken into full account on any constructions.