The average altitude of the Qinghai-Tibet Plateau is （）._精华吧

The average altitude of the Qinghai-Tibet Plateau is （）.

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The average altitude of the Qinghai-Tibet Plateau is （）.

A.4500

B.5000

C.3500

D.3000

正确答案：4500

Tag：中外铁路文化之旅时间：2022-01-14 21:32:24

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