资源简介

(共23张PPT)
课前准备
物品准备：课本，同步练习册，笔记本，练习本。
知识准备：大声朗读P82—P84单词 。
精神准备：精神饱满，积极向上，注意力集中。
Lead-in 情景导入
Learning aims
1.Get the main idea of each paragraph, purpose of
the passage
3.Enhance national pride (增强民族自豪感）
and cultivate attitudes of man-nature harmony
（培养人与自然和谐相处的态度）
2.Learn about the workers’ efforts to protect
the delicate ecosystem
I
Self-learning 自主学习
Read the passage quickly and silently
Finish the task1-task4
(10mins)
2.格尔木市
6.拉萨
3.Qingshuihe Bridge
(清水河大桥)
4.唐古拉站
5.Cuona Lake(错那湖)
1.西宁
1.Which places were mentioned in the article
Task1
Para.1: C Para.2: E Para.3: D Para.4: A Para.5: F Para.6: B Para.7: G
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 breaks 8. protect Cuona Lake
9. build a twenty-kilometer wall
10. protect it from construction waste
Task3---Organise information from the passage and complete the table.
P85
impossible
possible
II
Cooperative learning 合作学习
Task 2. Q 1 Q 2 Q4
Task 4. Q 1 Q 2 Q3 Q4 Q5
(5mins)
Task2. Read the Para1 and Para 2 carefully and answer the questions
The words “railways like massive dragons are winding among the mountains” seem particularly vivid as I travel across the “roof of the world”.
1.What’s the feeling of the author
He is very proud and has a sense of achievement.
2.Can you find out other sentences that have the same feeling
Para 6: “... I feel a sense of pride and achievement.”
Para 7: “... I am proud that we built our “impossible”
railway...
Task2. Read the Para1 and Para 2 carefully and answer the questions
3.He was a _________ on the railway.
worker
4.What’ the function of the last sentence in Para 2
It serves naturally as a transition. 过渡句
承上启下
2.What do so many numbers show
Task4. Read the Para 3 4 5 6 7 carefully and answer the
following questions
These numbers show the difficulty of the project
the workers’ great efforts
our nation’s environmental determination
1.Why does he stress the state of wild animals under the bridge
This proves the 33 passages can allow the animals to move safely and freely
This proves the effectiveness of the 33 passages
Task3. Read Para 7 carefully and answer the questions
Why does the author feel so proud
Many people can enjoy the magical landscapes.
We built our “impossible” railway.
We also took proper care of environment.
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”.
A. To prove that humans can conquer nature.
B. To highlight the amount of work required to build the
Qinghai-Tibet Railway.
C. To praise the worker’s efforts in building the Qinghai-
Tibet Railway.
4. Choose the author’s purpose in writing the passage
III
Explorative Learning （探究研习）
Task1-Find out the sentences in Para 6 that describe the environment
Think Share
As we pass Cuona Lake, I feel a sense of pride and achievement. Using thousands and thousands of sandbags, we built a twenty-kilometre wall along the lake to protect it from construction waste. Cuona Lake is so close to the railway that I want to reach out and touch its pale blue mirror-like surface. Water birds playing in the lake, and cattle and sheep wandering the grasslands bring the scenery to life.
2.What’s the function of them？
The author makes it easy for readers to image how clear and peaceful the environment is,
the effectiveness of the protection.
Think Share
efforts 2
3.Why is the Qinghai-Tibet Railway Sky railway
1.High altitude青藏高原海拔高，从地势上看，铁路就像一条通天路
2.difficulty of the project它施工困难，许多世界性难题集中在一起，修筑它比登天还难，说它是天路
3.Heaven on earth 西藏素有人间天堂之称，这条路把人们仿佛带进了人间天堂，所以称为天路。
Where is your own Sky railway
The road to success
IV
Practice
Make a brief introduction about the railway
( 感受 ，动物 ，环境描写）
Useful expressions
1. the highest railway in the world ,
2. 33 passages, animals, protect,
3.thousands of sandbags, impossible,
4. the most difficult challenges,
5.a sense of pride and achievement
6. eat grass ,water birds ,play
7. cattle , sheep wander
Only to obey nature in order to overcome nature.
—Charles Darwin
V
Homework
1.Finish the exercise on P124-125
2.Use words and expressions you’ve learned to write an
essay about what you have learnt from the passage

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