Unit6 Nurturing Nature Understanding ideas课件-2025-2026学年高中英语外研版选择性必修第一册

该高中英语课件围绕“青藏铁路（The Sky Railway）”展开，涵盖其世界最高高原铁路的地位、2006年通车等基本信息，以及建设挑战与社会经济影响。课堂导入通过Quiz激活背景知识，学习支架设计任务链，从标记地点、匹配段落大意到完成挑战-解决方案表格，引导学生逐步深入文本理解。 其亮点在于融合语言能力、思维品质与文化意识培养，通过空间顺序地点描述、诗歌增强文化体验，任务型活动（如挑战-解决方案分析）提升问题解决能力，系统词汇语法整理夯实语言基础。采用任务型教学与跨学科元素，学生能提升语言运用与思维能力，教师可高效开展读写结合教学。

Understanding ideas The Sky Railway Quiz 1. Which is the highest railway in the world? a. The Trans-Siberian Railway. b. The Qinghai-Tibet Railway. c. The Chengdu-Kunming Railway. 2. In which year was the completed Qinghai-Tibet Railway put into operation? a. 1984. b. 2001. c. 2006. Warming up the Qinghai-Tibet Plateau 3. Which of these stations is not on the Qinghai-Tibet Railway? a. Lhasa（拉萨） b. Golmud（格尔木）. c. Lanzhou. 4. Which of these natural World Heritage Sites does the Qinghai-Tibet Railway pass by? a. Xinjiang Tianshan. b. Qinghai Hoh Xil. c. South China Karst. Golmud Lhasa Hol Xil Nature Reserve The Qinghai-Tibet Railway, 1,956-kilometre-long, which began service in July 2006, is the world’s highest and longest plateau(高原) railroad and also the first railway connecting the Tibet autonomous region with other parts of China. The Qinghai-Tibet Railway is a symbolic project in China's West Development Strategy and will play a significant role in accelerating the social and economic development of Qinghai Province and Tibet Autonomous Region. 4 Let’s take a look at the journey on the Qinghai-Tibet Railway At dusk standing on the high hill I sighted the railway built stretching to my hometown Like dragons climbing over mountains and mountains It brings peace and happiness to the snowy plateau It’s really a magical heaven road Taking us to the paradise on earth Highland barley wine and buttered tea will be more aromatic and sweeter Songs of happiness will spread all over the land Para. 1 Para. 2 Para. 3-6 Para. 7 A. The author’s feelings about the railway B. Challenges and solutions C. Start the journey on the “Sky Railway” D. The railway and I 3. Match each part with the main idea Activity 1 Read and finish the tasks 4. Why is the Sky Railway special to the author? Please mark the scenery spots and stations mentioned in the passage. 2. How does the author introduce the Qinghai-Tibet Railway? A.By time order B.By space order C. By development of the story 1. Mark the places the author passed and mentioned in his journey. Xi Ning Qingshuihe Bridge Golmud Tanggula Cuona Lake Lhasa Fast-reading 7 mirror-like dragons   leisure Tanggula  healthy breaks grasslands 2. How does the author introduce the Qinghai-Tibet Railway? A.By time order B.By space order C. By development of the story 3. Match each part with the main idea Para. 1 Para. 2 Para. 3-6 Para. 7 A. The author’s feelings about the railway B. Challenges and solutions C. Start the journey on the “Sky Railway” D. The railway and I 4. Why is the Sky Railway special to the author? ① The author has worked on the Qinghai-Tibet Railway. ② It’s a record of their efforts to overcome the most difficult challenges and to protect the delicate ecosystem as a top concern. the first thing to consider impossible extraordinary Challenges Solutions To protect wild animals 1.________________________________have been built under the railway to allow the animals to 2.________________________________. 3.To________________________ 675 bridges with 4._______________________________ were built between Golmud ang Lhasa. 140,000 square meters of wetland were 5._____________________________ in order to protect its distinct ecosystem To make sure the workers stayed healthy 6.____________________________ were constructed. The workers also enjoyed 7._____________________ in lower areas. 8.To________________________ Thousands and thousands of sandbags were used to 9._____________________________ along the lake to 10._____________________________. Read Para 3-6 and complete the table Activity 2 Challenges Solution To protect wild animals. 1 _______________________ have been built under the railway to allow the animals to 2 ____________________. Thirty-three passages move safely and freely Activity 2 Para 3 Does this solution work well? How do you know? totally unaware not disturbed/ live as usual succeed in protecting wild animals Challenges Solution To 3 ____________ ________________________________ _______________. 675 bridges with 4 ____________________________________ were built between Golmud and Lhasa. 140,000 square metres of wetland were 5___________ ___________ in order to protect its distinct ecosystem. prevent damage to wetlands and grasslands a total length of about 160 kilometers moved to a new area Activity 2 Para 4 huge environmental efforts Challenges Solution To make sure the workers stayed healthy. 6 _______________________ _________ were constructed. The workers also enjoyed 7 _________________ in lower areas. Several oxygen-making stations regular breaks Activity 2 Para 5 Is working on the railway dangerous? Why? (Find a sentence to explain) Challenges Solution To 8 __________ ____________________________ Thousands and thousands of sandbags were used to 9 __________________________ along the lake to 10 _________ _______________________ protect Cuona Lake from pollution build a twenty-kilometer wall protect it from construction waste Activity 2 Para 6 1. Does this solution work well? How do you know? beautiful scenery succeed in protecting Cuona Lake 2.How does the author feel? A sense of pride and achievement Challenges Solutions To protect wild animals 1.________________________________have been built under the railway to allow the animals to 2.________________________________. 3.To________________________ 675 bridges with 4._______________________________ were built between Golmud ang Lhasa. 140,000 square meters of wetland were 5._____________________________ in order to protect its distinct ecosystem To make sure the workers stayed healthy 6.____________________________ were constructed. The workers also enjoyed 7._____________________ in lower areas. 8.To________________________ Thousands and thousands of sandbags were used to 9._____________________________ along the lake to 10._____________________________. Thirty-three passages move safely and freely in their natural habitat prevent damage to wetlands and grasslands a total length of about 160 kilometres moved to a new area Several oxygen-making stations regular breaks protect Cuona Lake build a twenty-kilometre wall protect it from construction waste impossible extraordinary overcome challenges We should protect the ecosystem while promoting development Choose the author’s purpose in writing the passage and give your reasons. To prove that humans can conquer nature. To highlight the amount of work required to build the Qinghai-Tibet Railway. To praise the worker’s efforts in building the Qinghai-Tibet Railway. Reasons Para. 2-6: examples of how to overcome the challenges successfully Para 6: “... I feel a sense of pride and achievement.” Para 7: “... I am proud that we built our “impossible” railway Activity 3 Discussion: What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway? 1 Transportation 2 Culture 3 Economics 4 Travel … Activity 4 Think and share 1. What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway? Think Share 1.It has helped to promote the local economy. The opening of the Qinghai-Tibet Railway thoroughly broke the long-term transport bottleneck (瓶颈) restricting Tibet. More and more specialties of Tibet have been transported to the hinterland by the railway and sent to the world. The average annual growth rate of Tibet’s GDP from 2006 to 2014 exceeded 10 percent. 21 1. What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway? Think Share 2.It has improved people’s living standard. The farmers and herdsmen (牧民) along the Qinghai-Tibet Railway have taken the “railway business opportunity“ to increase their income. Large numbers of quality and cheap goods have been transported to Tibet via the Qinghai-Tibet Railway, improving Tibet People’s production and living standards. 22 1. What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway? Think Share 3.It has made it more convenient for people to travel. The Qinghai-Tibet Railway passes many famous scenic areas such as the Qinghai Lake, Kunlun Mountains, Hoh Xil and Northern Tibet Grassland, forming a world-class tourist route full of mysterious flavor. Over the past nine years, Tibet’s tourism has seen “blowout-type” (井喷式) development and become a pillar industry（支柱产业）. Tibet has received all together 74 million domestic and foreign tourists. 23 The Qinghai-Tibet Railway is called the Sky Railway not only because the highest / the toughest to build but also because a railway of development a railway of life a railway of unity a railway of happiness ... Language points 沿着铁路 宣称；声称；断言 平稳行进 这段时间；一路上 一条条巨龙翻山越岭 roof of the world All parts of China 从事 A record of… 克服工程挑战 The delicate ecosystem 最关注的问题 引起某人注意 Splendid 空闲时 Along the railway Claim Race steadily All this time massive dragons are winding among the mountains 世界屋脊 全中国 Work on 一条…的记录 Overcome engineering challenges 脆弱的生态系统 The top concerns Catch one’s eye 壮观的 At one’s leisure habitat 好像完全没有意识 以…速度呼啸而过 Distinct ecosystem construction waste 定期休息 Reach out and touch Bring..to life The Qinghai-Tibet Platea Sth attract sb’s admiration magical landscapes deserve 栖息地 seem totally unaware speeding past at 不一样的生态系统 建筑废弃物 Regular breaks 伸手触摸 给…带来生机 青藏高原 某人向往某物 神奇的风景 值得 The Sky Railway (sit) back in my seat, I can’t quite believe that I’m about to travel along the railway many foreign experts claimed was “impossible”. The train (race) along steadily since it left Xining. All this time, the song “Sky tRailway” has been playing inside my head. The words “railways like massive dragons are winding among the mountains” seem (particular) vivid as I travel across the “roof of the world”. Sitting has been racing particularly that 这条河蜿蜒流经两个牧场之间。 据说有些医生每周工作80小时。 他声称他未得到公正机会。 我不敢自称为专家。 世界屋脊 He claims (that) he was not given a fair chance. I don't claim to be an expert. It was claimed that some doctors were working 80 hours a week. The river winds its way between two meadows. I was one of the (person) came from all parts of China to work on this railway. (take) years to complete, the Qinghai-Tibet Railway is a record of all of our efforts to overcome the most difficult engineering challenges. How (protect) the delicate ecosystem was among the top concerns. people who Taking to protect 作为一名作家，你最关注的是哪些问题？ 人们对电视上充斥暴力内容的忧虑日益加重。 让我担忧的是环境污染。 这故事讲的是世界和平。 最关注的问题 总统对这个问题深感担忧。 保护脆弱 的生态环境 What are your top concerns as a writer? There is growing concern about violence on television. What concerns me is the environmental pollution. The story concerns world peace. The President is deeply concerned about this issue.  The first landmark to catch my eye is the splendid Qingshuihe Bridge, the world’s longest bridge (build) over permafrost. Look! A group of Tibetan antelopes (be) moving under the bridge, with some (stop) 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 these Tibetan antelopes have now been using these passages for years. They seem ________(total) unaware that we are speeding past over 100 kilometres an hour. built is stopping to move as at totally 引起某人注意 空闲时 (prevent) damage to wetlands grasslands, 675 bridges with a total length of about 160 kilometres were built between Golmud and Lhasa. We even moved 140,000 square metres of wetland to a new area in order to protect its distinct ecosystem. To prevent The journey has been flying by, and before I know it, we __________(reach) Tanggula Station. (location) at over 5,000 metres above sea level, this is the hightest railway station in the world. In locations such as this, the thin air, changeable weather and high levels of UV radiation presented perhaps the greatest challenge for railway workers. To make sure we stayed healthy, several oxygen-making (station) were constructed. We were also able to enjoy regular breaks in lower areas. stations Located have reached As we (pass) Cuana Lake, I feel a sense of pride and achievement. (use) thousands and thousands of sandbags, we built a twenty-kilometre wall along the lake to protect it from construction waste. Cuona Lake is so close to the railway that I want to reach out and touch its pale blue mirror-like surface. Water birds (play) in the lake, and cattle and sheep (wander) the grasslands bring the scenery to life. pass Using playing wandering The Qinghai-Tibet Plateau has been attracting people’s admiration 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” railway, and did so with the care that the environment deserves. It (true) is an extraodinary “Sky Railway”. truly Lavf58.45.100 $