(共30张PPT)
Unit 6
UNIT 6 Nurturing nature
The Sky Railway
To read and learn something about the Qinghai-Xizang Railway
To read and identify the challenges and solutions during the construction process
To learn why the railway is particularly special to the author and the author’s purpose in writing the passage
Do you want to travel to Xizang
How can we get there
Listen to the song and discuss why
Qinghai-Xizang Railway is described as the Sky Railway.
How much do you know about Qinghai-Xizang Railway
What do you think was the biggest engineering challenges of constructing the Qinghai-Xizang Railway
Work in pairs and complete the quiz.
Try to guess if you are not sure of the answers.
1
1 Which is the highest railway in the world
a The Trans-Siberian Railway.
b The Qinghai-Xizang Railway.
c The Chengdu-Kunming Railway.
2 In which year was the completed Qinghai-Xizang Railway put into operation
a 1984. b 2001. c 2006.
3 Which of these stations is not on the Qinghai-Xizang Railway
a Lhasa. b Golmud. c Lanzhou.
4 Which of these natural World Heritage Sites does the Qinghai-Xizang Railway pass by
a Xinjiang Tianshan.
b Qinghai Hoh Xil.
c South China Karst.
The Qinghai-Xizang Railway is 1,956-kilometre long.
It stretches from Xining to Lhasa.
It has a total of 85 stations. The designed maximum speed is 160 km/h (Xining - Golmud section) and 100 km/h (Golmud - Lhasa section).
Read the passage and find out why the railway is particularly special to the author.
The author has worked on the Qinghai-Xizang 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.
2
Paragraph 1 A. A sandbag wall was built to protect Cuona Lake from
construction waste.
Paragraph 2 B. Protecting the ecosystem was among the biggest engineering
challenges.
Paragraph 3 C. Oxygen-making stations were constructed to guarantee
workers' health.
Paragraph 4 D. Passages for wild animals were built under the railway.
Paragraph 5 E. 675 bridges were built to prevent damage to wetlands and
grasslands.
Paragraph 6 F. The author felt excited to start his journey on the “Sky
Railway”.
Paragraph 7 G. Passengers can enjoy the magical landscapes by taking the
“Sky Railway”.
Match the main idea with its corresponding paragraph.
F
B
D
E
C
A
G
Fill in the blanks according to the text. Try to find the key information about the Qinghai-Tibet Railway.
mirror-like
dragons
Tibetan antelopes
oxygen-making
proud
breaks
grasslands
Organise information from the passage and complete the table.
Challenges Solutions
To protect wild animals. 1 _______________________
have been built under the railway to allow the animals to 2 ____________________
________________________.
Thirty-three passages
move safely and freely
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.
4
in their natural habitat
Challenges Solutions
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
length of about 160 kilometres
moved to
a new area
a total
Challenges Solutions
To make sure the workers stayed healthy. 6 _______________________
_________ were constructed.
The workers also enjoyed
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 breaks
build a twenty-kilometre wall
protect it from construction waste
protect Cuona Lake
1. Why is the Qinghai-Xizang Railway considered a record
How to protect the delicate ecosystem.
Read the passage again and answer the questions.
2. What was one of the top concerns during the railway’s
construction
Because it represents the workers' efforts to overcome the most difficult engineering challenges.
3. What were the three major challenges for workers at high-
altitude locations like Tanggula
4. What does "the journey has been flying by" imply
5. Why might the speaker feel “pride and achievement” when
passing Cuona Lake
Thin air, changeable weather, and high levels of UV radiation.
They built a twenty-kilometer wall using thousands of sandbags to shield the lake from construction waste.
The author has been recalling the scenes of building the Qinghai-Xizang Railway all the way, forgetting the surrounding environment.
1. Which of the following was unnecessary to consider during the
construction of the “Sky Railway”
A. Workers' health. B. Safety of wild animals.
C. Protection of the wetlands.
D. Foreign experts' opinions.
2. What did the workers build along Cuona Lake
A. Several oxygen-making stations.
B. A twenty-kilometre sandbag wall.
C. Thirty-three passages under the railway.
D. 675 bridges between Golmud and Lhasa.
Choose the best answer to each of the following questions according to the text.
3. Which of the following best describes the author's feeling
about this journey
A. Encouraged. B. Nervous.
C. Proud. D. Upset.
4. How does the author introduce the Qinghai-Xizang Railway
A. By following space order.
B. By giving examples.
C. By making classifications.
D. By providing explanations.
1 To prove that humans can conquer nature.
2 To highlight the amount of work required to build the Qinghai-Xizang Railway.
3 To praise the workers’ efforts in building the Qinghai-Xizang Railway.
Choose the author's purpose in writing the passage and give your reasons.
3
本文是一篇游记。作者通过描述自己的一次“天路”之旅，回顾了建设者们在青藏铁路修建过程中始终以生态保护为前提，克服重重困难，最终建成这条“不可能建成的”铁路的历程，表达了自己作为其中一名建设者的自豪之情，也表达了工程建设要以生态保护为前提的环保理念。
文本分析
Fill in each blank with one proper word or the proper form of the given word.
It is unbelievable that I'm sitting back in my seat and am about to travel along the railway that many foreign experts claimed was “__________”. The Qinghai-Xizang 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 __________.
impossible
concerns
As one of the people __________ once worked on this railway, I travelled along it 4. __________ (excited). When the train passed the Qingshuihe Bridge, the world's longest bridge
__________ over permafrost, I saw passages we built under the railway to allow animals to __________ freely. To protect the distinct _________, we built 675 bridges and even moved
140, 000 square metres of wetland to a new area. Because of the height above sea level of Tanggula Station, several oxygen-making stations were ____________ to guarantee workers' health.
who / that
excitedly
built
move
constructed
ecosystem
As we passed Cuona Lake, I was attracted by its beauty and the animals which bring the scenery to life.
Using thousands and thousands of 8. _________, we built a twenty-kilometre wall along the lake to protect it from construction waste.
As a result of our efforts, passengers from all over the country have been enjoying these magical landscapes. It truly is an extraordinary “____________”.
sandbags
Sky Railway
1 Which of the solutions are you most impressed by Why
2 Which words in the passage are used to describe the Qinghai-Tibet Railway What other words could you think of to describe it
I am mostly impressed by…
Because / As / For / Owing to / …
Sky Railway, impossible, highest, extraordinary.
You can also say it is a miracle, great achievement, etc.
3 What changes do you think the Qinghai-Xizang Railway has brought to the people living along the railway
1 Economic development
2 Enhanced transportation convenience
3 Cultural exchanges
4 Boosted tourism
4 What method did you use to collect information How did the information help you to better understand the passage
The method to collect information:
Internet; Newspaper and magazine; News
…
Do some online research to find out what other challenges were met and overcome by the railway workers.
Preview the grammar: present
perfect continuous on Page 86.
