问题
写作题
青藏铁路介绍 假设你是青藏铁路上的一名导游，向外国客人介绍青藏铁路。请根据以下信息，用5句话向外国客人简单介绍一下青藏铁路：
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答案
Qinghai-Tibet Railway, the world's highest railway, extends 1956 kilometers from Xining to Lhasa. It has set up a number of world records in the history of railway construction. It has 550 kilometers of track laid on frozen earth, the longest distance anywhere in the world. It also has the highest railway station on the route , Tanggula Station, which is 5068 metres above sea level. And Kunlun Mountain Tunnel, running 1,686 meters, is the world's longest plateau tunnel built on frozen earth.
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