Unit 6 Nurturing Nature Understanding ideas 课件-2023-2024学年高二英语外研版（2019）选择性必修第一册

外研 选择性必修 第一册 steadily massive delicate landmark splendid permafrost Tibetan antelope adj. 平稳地 adj. 巨大的 adj. 脆弱的 n. 地标 adj. 壮丽的 n. 永久冻土层 n. 西藏的 n. 羚羊 Words and expressions Read after the tape and speak out the Chinese immediately. leisure at one's leisure wetland grassland radiation mirror-like wander scenery plateau n. 空闲,闲暇 空闲时 n. 湿地 n. 草原 n. 辐射 adj. 如镜面般的 vt. 徘徊 n. 风景,景色 n. 高原 Words and expressions Unit 6 Nurturing nature P2 Understanding ideas Before reading Look and say Where is it? Tibet It's so wonderful! Work in pairs and discuss how we can get there to enjoy these magical landscapes. Maybe taking a train would be a good choice! The Sky Railway (天路) Qinghai-Tibet Railway How much do you know about “The Sky Railway”? Work in pairs and complete the quiz. Try to guess if you are not sure of the answers. 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 3 Which of these stations is not on the Qinghai-Tibet Railway? a Lhasa b Golmud 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 Let's read the passage and learn more about it. While reading Read and finish the tasks as quickly as possible. Read the passage and find out why the railway is particularly special to the author. P82 2 The author has worked on the Qinghai-Tibet Railway. Once believed "impossible" , the highest railway in the world is a record of the efforts of the workers to overcome the most difficult engineering challenges. These efforts and their end results mean that the railway is special to the author. Check your answer! 1 Task Choose the author's purpose in writing the passage and give your reasons. 1 To prove that humans can conquer nature. 2 To highlight the amount of work required to build the Qinghai-Tibet Railway. 3 To praise the workers’ efforts in building the Qinghai-Tibet Railway P84 3 2 Task Read the passage and answer the following question. What is one of the top concerns during the process of building the Qinghai-Tibet Railway? Check your answer. What challenges have they overcome? 3 Task Organise information from the passage and complete the table. 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 Which of the solutions are you most impressed by? Why? 4 Task 5 Task Possible answers the words used to describe the Qinghai-Tibet Railway We can also say it is a miracle, great achievement, etc. Which words in the passage are used to describe the Qinghai-Tibet Railway? What other words could you think of to describe it? Xining Station _________________ between Golmud and Lhasa _______________ ____________ • Challenges: To protect ________ • Solutions: __________have been built under the railway to allow the animals to __________. Qingshuihe Bridge Tanggula Station Cuona Lake • Challenges: To prevent _______ • Solutions: ①_____bridges with ___________were built between them. ②__________of wetland were moved to a new area. • Challenges: To protect ________ •Solutions:______ sandbags were used to build _____along the lake to ________. • Challenges: To make sure ________ • Solutions: ① _____ were constructed. ②The workers also enjoyed __________ in lower areas. the Author's Journey of The Sky Railway Pick out the sites along the railway in the passage and complete the author's route map, then retell the passage according to it. 6 Task After reading analyzing, mindmap, summary, retelling 1. The words “railways like massive dragons are winding among the mountains” seem particularly vivid as I travel across the “ roof of the world”。 补充说明 the words的信息 wind: v. [+ adv./prep.] (of a road, river, etc.) to have many bends and twists (路、河等) 蜿蜒；曲折而行；迂回 wind-wound-wound ① The river winds its way between two meadows(牧场). 这条河蜿蜒流经两个牧场之间。 ② The path wound down to the beach. 这条小路弯弯曲曲通向海滩。 as引导的时间状语从句 the“ roof of the world” : 世界屋脊,用来指代the Qinghai-Tibet Plateau(青藏高原) 当开过“世界屋脊”时，“一条条巨龙翻山越岭” 的歌词变得更加生动鲜活起来。 Paraphrase: When I travel across the Qinghai-Tibet Plateau, the words of the song become clear in my mind. I come to understand the lyrics which say that railways run over mountains, turning and twisting like huge dragons. 2. To prevent damage to wetlands and grasslands,675 bridges with a total length of about 160kilometres were built between Golmud and Lhasa. 过去时态的被动语态 介词短语做后置定语 目的状语 为了避免破坏湿地和草原，我们在格尔木和拉萨之间建造了675座大桥，总长度约160千米。 Discussion Work in groups. Discuss these questions with other students. 1 What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway? 2 What method did you use to collect information? How did the information help you to better understand the passage? Conclusion Let's enjoy the song “Sky Railway” and share your feelings after watching it . Now 2 mins to test our spelling. Spelling Bee 1. English-Chinese massive delicate landmark mirror-like wander wetland 2. Chinese- English 平稳地 壮丽的 空闲时 辐射 风景；景色 When finishing, exchange to see who does the best. Review 课时重点回顾 1. 青藏铁路 2. 克服困难(挑战) 3. 最重视的事 4. 引起某人注意 5. 空闲时 6.保护脆弱的生态系统　 　 Qinghai-Tibet Railway overcome the challenges the top concern catch one's eye at one's leisure protect the delicate ecosystem 1. How much do you know about “The Sky Railway”? Why the railway is particularly special to the author? 2. Can you retell the author's journey on the Sky Railway according to his route map? What challenges have the railway workers met and how they overcome them during the process of building of the Sky Railway? Self-evaluation 1. Finish the exercises in Learning English. 2. Do some online research to find out what other challenges were met and overcome by the railway workers. 3. Preview Using language on page 86. Lavf58.46.101 $$