Unit 6 Nurturing Nature Understanding ideas课件(共22张PPT，内镶嵌视频)-外研版（2019）选择性必修第一册

(共22张PPT)
Unit6
Nurturing nature
Do you know how to get there
The Sky Railway
Have you ever heard of this song
What dose the song sing for
Qinghai-Tibet railway
青藏铁路
How much do you know about the Qinghai-Tibet Railway
Xining
Qingshuihe
Bridge
Cuona Lake
Tanggula
Lhasa
1. Mark the places the author passed and mentioned in his journey.
2. Read the passage and match the main idea to each paragraph.
Para. 1 A. How to prevent damage to wetlands and grasslands.
Para. 2 B. How to protect Cuona Lake.
Para. 3 C. The train leaves Xining.
Para. 4 D. How to protect wild animals.
Para. 5 E. We consider protecting the delicate eco-system first.
Para. 6 F. How to make sure the workers stayed healthy.
Para. 7 G. I’m proud we built our “Sky Railway”.
Divide the passage into three parts and summarize them.
Para. 1 The train leaves Xining.
Para. 2 We consider protecting the delicate eco-system first
Para. 3 How to protect wild animals.
Para. 4 How to prevent damage to wetlands and grasslands.
Para. 5 How to make sure the workers stayed healthy.
Para. 6 How to protect Cuona Lake.
Para. 7 I’m proud we built our “Sky Railway”.
Part 1 The journey on the sky railway begins.
Part 2 The challenges and solutions to build
the Qinghai-Tibet Railway.
Part 3 The feelings of the author.
The words “railway like massive dragons are winding among the mountains”
Para.1
wind v. 缠绕
歌词“一条条巨龙翻山越岭”
while - reading
How dose the author feel while travelling along the railway
Para.1
I that I'm about to travel along the railway.
can't quite believe
It means that the author is ________
excited
while - reading
What was among the top concerns
Para.2
the delicate ecosystem
concern n. 忧虑；担心
最关切的问题之一
while - reading
3. Read para 3-6 carefully and fill in the chart to get how the ‘impossible’ railway was built.
Challenges
To protect wild animals.
Solutions
1.________________________ have been built under the railway to allow the animals to
2._________________________________.
Thirty-three passages
move safely and freely in their natural habitat
Challenges
Solutions
To 3.__________________________
___________________________.
675 bridges with 4._______________________________ were built
between Golmud and Lhasa.
140,000 square meters of wetland were 5.______________________
in order to protect its distinct ecosystem.
prevent damage to wetlands and grasslands
a total length of about 160 kilometres
moved to a new area
Challenges
Solutions
To make sure the workers stayed healthy.
6.__________________________were constructed.
The workers also enjoyed7.___________ in lower areas.
Several oxygen-making stations
regular breaks
Challenges
Solutions
To 8._________________________.
Thousands and thousands of sandbags were used to 9.________________________________ along the lake to 10.______________________________.
protect Cuona Lake
build a twenty-kilometre wall
protect it from construction waste
Read para.7 carefully and choose the best answer.
The Qinghai-Tibet Plateau has been attracting people's admiration for centuries. Now, thanks to our efforts, passengers from all over the country have been enjoying these magical landscapes. I am proud that we built our "impossible" railway, and did so with the care that the environment deserves. It truly is an extraordinary "Sky Railway".
What makes the author feel proud
A.We built the "impossible" railway.
B.We protected the ecosystem.
C.We built the "impossible" railway, without destroying the ecosystem.
D. Passengers call it "the Sky Railway".
Choose the author’s purpose in writing the passage and give your reasons.
To prove that humans can conquer nature.
To highlight the amount of work required to build the Qinghai-Tibet Railway.
To praise the workers' efforts in building the Qinghai-Tibet Railway.
why the‘impossible’could turn out to be ‘extraordinary’
Human live in harmony with animals.
Human live in harmony with nature.
Our country puts people first.
What challenges have been overcome
protect animals
protect wetlands
and grasslands/ Cuona Lake
protect the workers
great policies
Summary
We should
protect the ecosystem
while
promoting development
The Qinghai-Tibet Railway
Thanks！