（2019新教材）外研版高中英语选择性必修一Unit 6 Starting out& Understanding ideas 同步ppt课件.pptx

1、Unit 6 Nurturing nature Period 1 Starting out & Understanding ideas Step 1 Starting out Activity 1: Look at the pictures and answer the questions. 1 What do you know about these places? 2 What do these places have in common? Huanglong, China Iguaz Falls, Argentina and BrazilMount Kilimanjaro, Tanzan

2、iaUluru, Australia Background information Huanglong, China Located in the north of Sichuan Province, Huanglong is a historic and scenic area widely known for its hot springs and waterfalls, valleys, snow-capped peaks and forest. The area also has a population of endangered animals, including pandas

3、and snub-nosed monkeys. Iguaz Falls, Argentina and Brazil The Iguaz Falls originate from the Iguaz River ,and are located on the border of Argentina and Brazil. The heights of the falls vary from 60 metres to 82 metres. Mount Kilimanjaro, Tanzania Mount Kilimanjaro is located in the north-east of Ta

4、nzania. It is at 5,895 metres above sea level and is the highest mountain in Africa. Surrounded by forest, it is also the worlds highest free-standing mountain. Uluru, Australia Uluru is a large sandstone rock formation in the south-west of Australias Northern Territory. A sacred site to indigenous

5、Australians, Uluru rises 348 metres above the desert plain and reaches a height of 863 metres above sea level. Step 1 Starting out Activity 2: Watch the video and answer the questions. 1 What are the three types of World Heritage Sites? Cultural World Heritage sites, Natural World Heritage sites and

6、 Mixed World Heritage sites. 2 What other natural heritage sites in China do you know of? Guizhou , FanjingshanHubei, ShennongjiaSi chaun, Jiuzhaigou Activity 1: 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

7、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 na

8、tural World Heritage Sites does the Qinghai Tibet Railway pass by? a. Xinjiang Tianshan.b. Qinghai Hoh Xil.c. South China Karst. Step 2 Understanding ideas b c c b Activity 2: Read the passage and find out why the railway is particularly special to the author. The author has worked on the Qinghai-Ti

9、bet 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. Step 2 Understanding ideas Activity 3: Choose t

10、he authors 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. Activity 4: Organise information from the

11、passage and complete the table. 1. Thirty-three passages 2. move safely and freely in their natural habitat 3. prevent damage to wetlands and grasslands 4. a total length of about 160 kilometres 5. moved to a new area 6. Several oxygen-making stations 7. regular breaks8. protect Cuona Lake 9. build

12、a twenty-kilometre wall 10. protect it from construction waste Step 2 Understanding ideas Reading comprehension: 1. What am I according to the text? A. A traveler to the Qinghai-Tibet Plateau. B. A conductor of the great railway. C. One person to work on this railway. D. A journalist to write for pe

13、oples efforts. 2. Why do Tibetan antelopes seem unaware of the speeding train? A. They are eating grass at their leisure. B. The passages under the bridge keep them off. C. The train above the bridge is so fast. D. The worlds longest bridge is over permafrost. Step 2 Understanding ideas C B Step 2 U

14、nderstanding ideas Reading comprehension: 3. What is one of the hardest challenges in Tanggula Station? A. The thin air makes workers there lack oxygen. B. There were no oxygen-making stations originally. C. It is the highest railway station in the world. D. The low levels of UV radiation. 4. How wa

15、s Cuona Lake protected when the railways there were constructed? A. Thousands of sandbags were put there. B. Cuona Lake is so near that I can nearly touch it. C. There is mirror-like water and playing water birds. D. We built a twenty-kilometre wall along the lake. A D Analyze sentences: 1.Sitting b

16、ack in my seat, I cant quite believe that Im about to travel along the railway that many foreign experts claimed was “impossible”. 翻译： 回到座位上，我简直不敢相信，我将沿着许多外国专家称之为“不可能”的铁路旅行。 分析：本句是主从复合句。前面的“Sitting back in my seat”为伴随状语。主句的主 干是“I cant quite believe”。第一个that引导的从句作believe的宾语从句，第二个 that引导定语从句，修饰前面的先行词r

17、ailway. 练习： 环境保护变得更加紧迫，我们觉得每个人都应该为地球做点什么，那里的有些地 方已经发生了一些灾难。 Environmental protection becomes more urgent, and we all feel that everyone should do something for the earth, where there have come some certain disasters. Step 2 Understanding ideas Analyze sentences: 2.Taking years to complete, the Qingh

18、ai-Tibet Railway is a record of all of our efforts to overcome the most difficult engineering challenges. 翻译： 青藏铁路历时数年建成，记录了我们为克服最困难的工程挑战做的所有努力。 分析：本句为简单句。前面为现在分词短语作状语，taking与句子的主语the Qinghai-Tibet Railway是主动关系，所以用现在分词形式。 练习： 1._(reach) Hong Kong, the president began to work with his colleagues. 2._

19、(insist) on doing one thing, we may gain inspiration. 3. After graduation he began a career, _(teach) high school English. Step 2 Understanding ideas Reaching Insisting teaching Analyze sentences: 3. They seem totally unaware that we are speeding past at over 100 kilometres an hour. 翻译： 它们似乎完全没有意识到，

20、我们正以每小时100多千米的速度飞驰而过。 分析：本句为主从复合句。主句主干为“They seem totally unaware”。后面的that引 导宾语从句。 练习： 1.I am afraid _ I have made a serious mistake. 2.We are sure _ we shall succeed in the end. 3. 所有的青少年都知道他们该努力学习。 Step 2 Understanding ideas that that All the teenagers are aware that they should work hard. Analyze

21、 sentences: 4. How to protect the delicate ecosystem was among the top concerns. 翻译： concern此处为名词，意为“忧虑，担心”。还可以作动词，意为“使担心，使忧 虑”。 练习： 翻译 1. There is growing concern about violence on TV. 人们对电视上充斥暴力内容的日益加重。 翻译 2. Issues like food addictives do concern me. 食品添加剂这类事情确实使我很担心。 Step 2 Understanding ideas 如

22、何保护脆弱的生态系统是需要我们高度重视的问题之一。 Analyze sentences: 5. The first landmark to catch my eye is the splendid Qingshuihe Bridge, the worlds longest bridge built over permafrost. 翻译： catch sbs eye 是固定搭配，意为to attract someones attention and make them look at something. eye的常见搭配：cant take your eyes off sb./sth. 无法

23、将目光从某人/某物上移开 look sb in the eye 正视某人 keep an eye on sb./sth. 照看某人/某物 have an eye /a good eye for sth. 对某事物又鉴赏力 Step 2 Understanding ideas 最先映入眼帘的地标性建筑使壮观的清水河大桥，它是世界上最长的高原冻土 铁路桥。 Important phrases: 1.at their leisure 2.allow sb./sth. to do. 3.with a total length of. 4.make sure 5.feel a sense of prid

24、e and achievement 6.protect it from construction waste 7. be close to 8.reach out 9.bring the scenery to life Step 2 Understanding ideas 1.空闲时，闲暇 2.允许.做某事 3.全长为. 4.确保 5.感到一种自豪和成就感 6.保护它免受建筑垃圾的危害 7.接近，靠近 8.伸出手 9.使.更有趣，使.更生动 课文语法填空： With the song Sky Ralway 1._ (play) in my head, I am travelling along

25、 the impossible railway across the roof of the world. As a worker who worked on the railway myself, I know clearly that we have overcome lots of 2._ (difficulty) because we had to potect the delicate ecoystem all along the way. _3 _ (protect) the wild animals, we built the splendid Qingshuihe Bridge

26、 to allow the animals to move under the bridge 4._ (free) and safely in their natural habitat. To prevent damage to wetlands and grasslands , we built 675 bridges between Golmud and Lhasa, 5._ measure about 160 kilometres in total. Whatsmore, to make sure that the workers on the railway stay 6._(hea

27、lth), several oxygen-making stations 7._ (build). In order to protect Cuona Lake 8._ construction waste, we used thousands and thousands of sandbags to build a wall along the lake. Thanks to our efforts, all the wild animals and the whole natural ecosystem are well protected along the Sky Railway. I am filled with 9._ sense of pride and achievement. We 10._ (construct) our Sky Railway, which was considered to be impossible by foreign experts. 1.playing 2. difficulties 3.To protect 4. freely 5. which 6. healthy 7.were built 8. from/against 9.a 10. constructed