2018考研英语阅读真题：世界海拔最高超特长公路隧道通车

­　　该项目由一条7公里长的隧道和超过5公里长的辅路组成，穿越青藏高原的雀儿山。

­　　In Tibetan, the name Chola means mountains so high that eagles cannot fly over them. The peak stands at 6,168 meters above sea level and is covered with snow eight months of the year.

­　　在藏语中，雀儿山意为“山鹰飞不过的山峰”。主峰海拔6168米，每年有八个月的时间被积雪覆盖。

­　　The tunnel is located above 4,000 meters. Its length, the thin air and low temperatures at that altitude all contributed to the complexity of the construction, said Wei Yanqing, chief designer of the tunnel.

­　　雀儿山隧道设计负责人蔚艳庆称，这条隧道位于海拔4000米以上，特长隧道、低含氧量、高海拔区低气温的叠加效应，导致工程勘察与施工“难上加难”

­　　A feasibility study started in 2002 and it took eight years for experts to finalize a plan before construction began in 2012.

­　　雀儿山隧道可行性研究始于2002年，专家们花了8年时间反复敲定了这项计划，在2012年开始建设。

­　　The project cost about 1.28 billion yuan (196,900 U.S. dollars), according to Wang Qiang, head of the transport bureau in the Tibetan Autonomous Prefecture of Garze, which administrates the project area.