Unit+6+Understanding+ideas（ppt课件）-2022新外研版（2019）《高中英语》选择性必修第一册.pptx

1、To learn something about the sky railwayTo learn why the railway is special to the authorHave you ever heard this song?What is the song sing about?If possible,which means of transportation would you choose to travel to Tibet?How much do you know about Qinghai-Tibet Railway?Work in pairs and complete

2、 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 thes

3、e 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.The Qinghai-Tibet Railway,1,956-kilometer-long,which began service in July 2006,is

4、the worlds highest and longest plateau(高原高原)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 Chinas West Development Strategy and will play a significant role in accelerating the social and economi

5、c development of Qinghai Province and Tibet Autonomous Region.Read the passage and find out why the railway is particularly special to the author.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

6、 overcome the most difficult engineering challenges.These efforts and their end results mean that the railway is special to the author.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 t

7、he Qinghai-Tibet Railway.Choose the authors purpose in writing the passage and give your reasons.You can conclude it by Read the first or last paragraph Conclude the main idea of every paragraphAuthors purpose=Main idea of the passageMatch the main idea with its corresponding paragraph.Para.1A.A twe

8、nty-kilometre sandbag wall along the Cuona Lake was built to protect it from construction waste.Para.2B.People completed the Qinghai-Tibet Railway by overcoming the most difficult engineering challenges.Para.3C.To make sure the railway workers stayed healthy,several oxygen-making stations were const

9、ructed.Para.4D.Passages have been built under the railway to allow animals to move safely and freely in their natural habitat.Para.5E.Effective measures were taken to prevent damage to wetlands and grasslands.Para.6F.The author felt excited to start his journey on the“Sky Railway”.Para.7G.We built o

10、ur“impossible”railway with the care the environment deserves.Fill in the blanks in the chart.environmentdragons leisureTanggula breaks mirror-likeOrganise information from the passage and complete the table.ChallengesSolutionTo protect wild animals.1 _ have been built under the railway to allow the

11、animals to 2 _.Thirty-three passagesmove safely and freelyWild animals such as these Tibetan antelopes have now been using these passages for years.They seem totally unaware that we are speeding past at over 100 kilometres an hour.ChallengesSolutionTo 3 _ _.675 bridges with 4_ were built between Gol

12、mud and Lhasa.140,000 square metres of wetland were 5_ _ in order to protect its distinct ecosystem.prevent damage to wetlands and grasslandsa total length of about 160 kilometers moved tonew area ChallengesSolutionTo make sure the workers stayed healthy.6 _ _ were constructed.The workers also enjoy

13、ed 7 _ in lower areas.To 8 _Thousands and thousands of sandbags were used to 9 _ along the lake to 10 _ _Several oxygen-making stations regular breaksbuild a twenty-kilometer wall protect it from construction waste protect Cuona Lake from pollution The above table explains how the“impossible”railway

14、 was built.Do you know other challenges were met and overcome by the railway workers?1.They have to apply state-of-the-art techniques to protecting the permafrost in the subgrade of the railway embankment.2.They need to make regulations to ensure the environmental disposal of the construction waste.

15、3.They must overcome problems brought about by complex topography.Decide whether the following statements are True(T),False(F)or Not Given(NG).1.Many foreign experts claimed the Qinghai-Tibet Railway was“impossible”.()2.The author was once involved in the construction of the Qinghai-Tibet Railway.()

16、3.Wild animals such as Tibetan antelopes seldom use the passages.()4.Tanggula Station is the highest railway station in the world.()5.We turned some farm lands into grasslands in order to protect its distinct ecosystem.()6.Cuona Lake is so close to the railway that I can reach out and touch its pale

17、 blue mirror-like surface.()TTFTNGFBelow is a summary of the text with some content missing.Choose the right item from the box and make the summary complete.Change the form when necessary.oxygen-making,scenery,ecosystem,engineer,675,Qingshuihe BridgeThe Qinghai-Tibet Railway is a record of all of ou

18、r efforts to overcome the most difficult 1._ challenges.Protecting the delicate 2._ was among the top concerns.As one of the people who once worked on this railway,I travelled along the railway excitedly.When the train passed the 3._,I saw passages built under the railway to allow animals to move fr

19、eely.Qingshuihe Bridge engineering ecosystemoxygen-making,scenery,ecosystem,engineer,675,Qingshuihe BridgeWe built 4._ bridges and even moved 140,000 square metres of wetland to a new area to protect wetlands and grasslands.Because of the high level of Tanggula Station,several 5._ stations were cons

20、tructed and we were allowed to enjoy regular breaks.As we passed Cuona Lake,I was attracted by its beauty and the animals there brought the 6._ to life.Thanks to our efforts,passengers from all over the country have been enjoying these magical landscapes.scenery 675oxygen-making1 Which of the soluti

21、ons are you most impressed by?Why?I am mostly impressed byBecause/As/For/Owing to/2 Which words in the passage are used to describe the Qinghai-Tibet Railway?What other words could you think of to describe it?splendid/magical/extraordinary/impossiblewonderful/awesome/fantastic/amazing/unbelievable/g

22、orgeous/outstanding/significant3 What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway?1 Transportation2 Culture3 Economics4 Travel4 What method did you use to collect information?How did the information help you to better understand the passage?The method to collect information:InternetNewspaper and magazineNews1.Do some online research to find out what other challenges were met and overcome by the railway workers.2.Retell the text.