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课件网) 2026 高三一轮复习 词汇复习 Unit6 Nurturing nature 话题： 人与自然 The Sky Railway _____ (sit) back in my seat, I can’t quite believe that I’m about _____ (travel) along the railway that many foreign experts claimed was “impossible”. The train _____ (race) along steadily since it left Xining. All this time, the song “Sky Railway” has been playing inside my head. The words “railways like massive dragons are winding among the mountains” seem particularly vivid as I travel across the “roof of the world”. I was one of the people _____ came from all parts of China to work on this railway. Taking years _____ (complete), the Qinghai-Tibet Railway is a record of all of our efforts to overcome the most difficult _____ (engineer) challenges. How to protect the delicate ecosystem _____ (be) among the top concerns. Sitting to travel has been racing who/that to complete engineering was The first landmark _____ (catch) my eye is the splendid Qingshuihe Bridge, the world’s longest bridge _____ (build) over permafrost. Look! A group of Tibetan antelopes is moving _____ the bridge, with some stopping to eat grass at their leisure. Thirty-three passages have been built under the railway to allow the animals _____ (move) safely and freely in their natural habitat. Wild animals such as these Tibetan antelopes have now been using these passages for years. They seem totally unaware _____ we are speeding past _____ over 100 kilometres an hour. to catch built under to move that at To prevent damage _____ wetlands and grasslands, 675 bridges with _____ total length of about 160 kilometres were built between Golmud and Lhasa. We even moved 140,000 square metres of wetland _____ a new area in order to protect its distinct ecosystem. The journey has been flying by, and before I know it, we have reached Tanggula Station. Located at over 5,000 metres above sea level, this is the _____ (high) railway station in the world. In locations such as this, the thin air, _____ (change) weather and high levels of UV radiation presented perhaps the greatest challenge for railway workers. To make sure we stayed healthy, several oxygen-making stations _____ (construct). We were also able to enjoy regular breaks in lower areas. to a to highest changeable were constructed As we pass Cuona Lake, I feel a sense of _____ (proud) and achievement. Using thousands and thousands of sandbags, we built a twenty-kilometre wall along the lake to protect it _____ construction waste. Cuona Lake is _____ close to the railway that I want to reach out and touch its pale blue mirror-like surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life. The Qinghai-Tibet Plateau has been attracting people’s _____ (admire) for centuries. Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes. I am proud that we built our “impossible ... ...
