（2019新教材）外研版高中英语选择性必修一Unit 6 Nurturing nature Starting out and understanding ideas The sky railwayppt课件.pptx

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? They are all included on the World Heritage List. Starting out Huanglong, China: Located in the north of Sichuan, Huanglong is a historic and scenic area widely known for i

2、ts colourful pools, hot springs, valleys, waterfalls, snow- capped peaks and diverse forest. The area also has a population of endangered animals, including the giant panda and the Sichuan golden snub-nosed monkey. Iguaz Falls, Argentina and Brazil: The Iguaz Falls stretch in width for 2.7 kilometre

3、s (or 1.7 miles). Their height varies between 60 metres (200 feet) and 82 metres (or 269 feet). They feature over 275 individual falls that thunder into the Iguazu River. Special walkways have been built around the Iguazu Falls to allow visitors to get close up to this wonder of their natural beauty

4、 and power. Mount Kilimanjaro, Tanzania: Located in north-east Tanzania, M o u n t K i l i m a n j a r o i s t h e highest mountain in Africa and the worlds tallest free standing mountain, about 5,895m above sea level. The mountain is encircled by mountain forest. Mount Kilimanjaro consists of three

5、 principal volcanoes: Kibo (centre), Mawensi (east), and Shira (west). Shira and Mawensi are extinct volcanoes. However, Kibo is a dormant volcano; it can erupt again. The mountain has been the subject of many scientific studies because of its shrinking glaciers and disappearing ice fields. Uluru, A

6、ustralia: Uluru, also known as Ayers Rock and officially gazed as Uluru / Ayers Rock, is a large sandstone rock formation in southwestern Northern Territory, central A u s t r a l i a . U l u r u i s s a c r e d t o the Aboriginal people of the area. Uluru / Ayers Rock rises 348 metres above the sur

7、rounding desert plain and reaches a height 863 metres above sea level. The area around the formation is home to an abundance of springs, waterholes, rock caves and ancient paintings. Watch the video and answer the questions. 1 What are the three types of World Heritage Sites? There are three types o

8、f the World Heritage Sites, cultural, natural and mixed. A mixed heritage site is a site that has both cultural and natural significance. 2 What other natural heritage sites in China do you know of? The Sky Railway Understanding ideas 1 Which is the highest railway in the world? a The Trans Siberian

9、 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 Quiz The Trans Siberian Railway The Qinghai-Tibet Railway. The Chengdu-Kunming Railway. 3 Which of these stations is not on the Qingh

10、ai-Tibet Railway? a Lhasa. b Golmud C Lanzhou. Lhasa Golmud Lanzhou 4 Which of these natural World Heritage Sites does the Qinghai-Tibet Railway pass by ? a Xingjiang Tianshan. b Qinghai Hoh xil. C South China Karst Xingjiang Tianshan Qinghai Hoh xil. South China Karst Railways like massive dragons

11、are winding among the mountains. The “impossible” in the foreign experts eyes now is possible across the “roof of the world”. 一条条巨龙翻山越岭一条条巨龙翻山越岭 黄昏我站在高高的山岗黄昏我站在高高的山岗 盼望铁路修到我家乡盼望铁路修到我家乡 一条条巨龙翻山越岭一条条巨龙翻山越岭 为雪域高原送来安康为雪域高原送来安康 那是一条神奇的天路那是一条神奇的天路 把人间的温暖送到边疆把人间的温暖送到边疆 从此山不再高路不再漫长从此山不再高路不再漫长 各族儿女欢聚一堂各族儿女欢聚

12、一堂 天路天路 Taking years to complete, the Qinghai-Tibet Railway is a record of all of our efforts to overcome the most difficult engineering challenges. How to protect the delicate ecosystem was among the top concerns. Challenges Solutions To protect wild animals. Thirty-three passages have been built u

13、nder the railway to allow the animals to move safely and freely in their natural habitat. Wild 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. Challenges Solutions To prevent dam

14、age to wetlands and grasslands 675 bridges with a total length of about 160 kilometres were built between Golmud and Lhasa. We even moved 140000 square metres of wet land to a new area in order to protect its distinct ecosystem. Tanggula Station Located at over 5000 metres above sea level, this is t

15、he highest 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 railways workers. Challenges Solutions To make sure the workers stayed healthy. Several oxygen-making stations were constr

16、ucted. We were also able to enjoy regular breaks in lower areas. Challenges Solutions To protect Cuona Lake. Thousands and thousands of sandbags were used to build a twenty-kilometre wall along the lake to protect it from construction waste. The Qinghai-Tibet Plateau has been attracting peoples admi

17、ration for centuries. Now , thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes. I am proud that we build our “impossible” railway, and did so with the care that the environment deserves. It truly is an extraordinary “ Sky Railway”. 1. They have to

18、 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; 3. They must overcome problems brought about by complextopography. Do you know other challenges

19、were met and overcome by the railway workers? Choose the 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-

20、Tibet Railway. Find out why the railway is particularly special to the author. The author has worked on the Qinghai-Tibet Railway, and as the highest railway in the world and being claimed to be “impossible”, the railway is a record of all the efforts made by the author and other people who worked o

21、n it to overcome the most difficult engineering challenges. All of these make the railway special to the author. Think and Share Which words in the passage are used to describe the Qinghai-Tibet Railway? What other words could you think of to describe it ? Sky Railway, highest, impossible, extraordi

22、nary; You can also say it is a miracle, great achievement, etc. What changes do you think the Qinghai-Tibet Railway has brought to the people living along the railway? The railway has made it convenient for people to travel around; it has promoted the local economy; it has improved peoples living st

23、andard, etc. 1 _(sit) back in my seat, I cant believe that I m about to travel along the railway that many foreign experts claimed was “impossible”. The train has been racing along 2_(steady) since it left xining. I was one of the people 3_came from all parts of China to work on this railway. Taking

24、 years to complete, the Qinghai-Tibet Railway is a record of all of our efforts to overcome 4_ most difficult challenges. How 5_(protect) the ecosystem was among the top concerns. The first landmark 6_(catch) my eye is the Qingshuihe Bridge, the worlds longest bridge built over permafrost. To preven

25、t damage to wetlands and grasslands, 675 bridges 7_(build) between Golmud and Lhasa. 直击高考直击高考 Sitting steadily who the to protect to catch were built Tanggula Station, 8_ (locate) at over 5000 metres above sea level, is the highest railway station in the world. To make sure we stayed healthy, severa

26、l oxygen-making stations were constructed. Passing Cuona Lake, I feel a sense of pride and 9_(achieve). Along the lake we build a twenty- kilometre wall to protect the lake 10_construction waste. Im proud that we built our “ impossible” railway. It truly is an extraordinary “ Sky Railway.” located achievement from With “The Sky Railway”, we can enjoy the beauty of Qinghai-Tibet Plateau anytime !