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The Ministry of Railways implemented four rounds and increased average speed of passenger trains in China.
The Ministry of Railways implemented four rounds and increased average speed of passenger trains in China.
A.正确
B.错误
正确答案：错误
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中外铁路文化之旅
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The Baoji-Chengdu railway is the first electrified railway in China.
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Railway construction moved ahead very swiftly, on the basis of a mixture of central and local funding from the beginning of the 1990s.