选择性必修一 Unit 6 Nurturing Nature- 外研版（2019）高中英语挖掘文本深度学习（解透教材词汇、语法、句型）

深度学习 挖掘文本 Deep Learning 2019外研版高中英语 基于词、法、句挖掘文本深度学习 选择性必修一 Unit 6 Nurturing Nature Understanding Ideas: The Sky Railway word words 第一遍：词江短语过关斩将 The Sky Railway Sitting back in my seat.I can't quite believe that I'm about to travel along the railway that many foreign experts c__l_(断言： 声称)was“impossible”.The train has been r_2(快速移动) 2 along steadily since it left Xining.All this time,the song "Sky Railway"has been playing inside my head.The words"railways like 3 m3_(巨大的)dragons are winding among the mountains'" seem particularly v_4(逼真f的)as I travel across the“roof of the world" I was one of the people who came from all p5(地区；区域) of China to work on this railway.Taking years to complete,the Qinghai-Tibet Railway is a record of all of our efforts to o 6 (克服；战胜)the most difficult engineering challenges.How to protect the d_7(胞s弱的)ecosystem was among the top concerns. The first 18(地标)to catch my eye is the s_9(壮丽 )Qingshuihe Bridge,the world's longest bridge built over 9 permafrost.Look!A group of Tibetan antelopes is moving under the bridge.with some stopping to eat grass at their I 10 ) 10. Thirty-three passages have been built under the railway to allow the 11. animals to move safely and freely in their natural h 11 )Wild animals such as these Tibetan antelopes have now been using these p12()for years.They seem totally unaware 12 that we are speeding past at over 100 kilometres an hour. To prevent damage to wetlands and grasslands,675 bridges with a total 1 13 (of about 160 kilometres were built between Golmud and Lhasa.We even moved 140,000 square metres of 13. wetland to a new area in order to p 14 (its distinct ecosystem. 14 The journey has been flying by,and before I know it,we have reached Tanggula Station.L 15 (at over 5.000 metres above sea level,this is the highest railway station in the world.In locations such as this,.thet 16(稀薄的)air,changeable 15. weather and high levels of UV r 17 (presented perhaps 16. the greatest challenge for railway workers.To make s