There are mainly （） north-south and four east-west trunk lines, and some inter-city lines, greatly shortening the travel time within China._精华吧

There are mainly （） north-south and four east-west trunk lines, and some inter-city lines, greatly shortening the travel time within China.

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There are mainly （） north-south and four east-west trunk lines, and some inter-city lines, greatly shortening the travel time within China.

A.three

B.four　

C.five

D.six

正确答案：four　

Tag：中外铁路文化之旅时间：2022-01-14 21:30:09

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