课件19张PPT。Old and NewThe Three Gorges Dam
Learning aims To cultivate your reading skills: skimming and scanningTo understand the passage correctly
and get the main idea of each part To appreciate the achievements of our great country.Do you know the biggest dam in the world ?
Do you want to know more about it ?Think over:你能说出下面单词的意思吗？Fast-reading Look through the passage quickly ,when you look for the main idea, the first sentence or the last sentence in each paragraph can help you.
Tip:1.Read the passage and do the match2.Read the text, match the paragraphs with their general ideas.Para. 1
Para. 2
Para. 3
Para. 4
Para. 5advantages
disadvantages
brief introductionBrief introduction1Advantages2Disdvantages3Careful-reading2.Read the text carefully again and decide whether the following statements are true (T) or false (F).
(1) Mao Zedong once dreamed that there would be a great dam to harness the power of the Yangtze River.( )
(2) The Three Gorges Dam will provide enough hydro-electric power for the whole country. ( )
(3) About 800 villages have been flooded.( )
(4) The Three Gorges Dam was built to control flooding and produce electricity. ( )
(5) The dam will generate a lot of electricity causing more air pollution.( )Tcentral region of ChinaFF4000TFwithout截断巫山云雨， 高峡出平湖。walls of stone to hold back clouds and rain till a smooth lake rises in the narrow gorgesdamstopfloodDream1. Complete the table according to the passage.The Three Gorges DamTo control flooding and provide hydro-electric power for the central region of China.200 meters high and 1.5 kilometers widecost more than any other construction project in historyThe biggest construction project in China
The largest hydro-electric power station and dam in the world
The highest cost construction project in historyPost-reading The Three Gorges Dam has been built to________ flooding and _______hydro-electric power. The dam, nearly 200 meters high and 1.5 kilometers wide, is the _______ hydro-electric power station and dam in the world. It will generate electricity ______about40 million tons of coal _______ causing so much ___________. The reservoir has ________2 cities, 11 counties, 140 towns and more than 4,000 villages. Over a million people __________ from their homes. The project has flooded some of China’s most famous _________sites. Some of them are being
removed and some are being put into museums.
control providelargest equal to without floodedair pollutionremovedhistorical1.Read The Three Gorges Dam again to find some good expressions and difficult sentences. let’s discuss the advantages and disadvantages of the Three Gorges Dam in groups.2.discussion 5' Disadvantages 1.It flooded large areas 1. It controls flooding
2. A large number people The Three 2.It provides powers
have left their hometown Gorges Dam
3.less air pollution
3.A lot of historical relics
have been submergedAdvantages 3.Role Playing GameIf I am a reporter Now you are working on a special report about The Three Gorges Dam, you need to interview some people to know their views about The Three Gorges Dam. Let’s do an interview, with the following questions：
1.What is the purpose of building the Three Gorges Dam ?
2.What is the size of the Three Gorges Dam ?
3. What is the advantages of the Three Gorges Dam?
4. What is the disadvantages of the Three Gorges Dam?Thank youMatch the words with their Chinese meaningsdate
2. accommodate
3. construction
4. generate
5. historical
6. narrow
7. global
8.remove
9. harness
10. submerge迁移利用变成 动力 狭窄的发电浸入水中历史的建造容纳始于全球的M6 Old and New 教学设计
Step1. Warming up and leading in
1.Do you know the biggest dam in the world ?
___________________________________________________________________________________
2.Do you want to know more about it ?
___________________________________________________________________________________
【设计意图】被动语态是本单元刚接触到的新的语法点，是难点也是重点。因为上节课已经让同学们观察、归纳、总结了被动语态的用法和构成，所以本节课有必要让同学们再次回忆和巩固，尤
Step2. Match the words with their Chinese meanings.
1. date A: 迁移
2. accommodate B: 狭窄的
3. construction C: 利用变成 动力
4. generate D: 发电
5. historical E: 全球的
6. narrow F: 始于
7. global G： 容纳
8. remove H：建造
9. harness I： 历史的，
10. submerge J： 浸入水中
【设计意图】学生课前预习所学内容，并能根据课前预习了解单词意思，为课上阅读做好充分准备和铺垫,为学生的阅读扫清单词障碍，降低阅读难度.
Step3. Fast-reading
1.Match the paragraphs with these descriptions.
Para.1 A. the introduction to the dam
Para.2 B. influences on historical sites
Para.3 C. Mao Zedong’s dream
Para.4 D. influences on people’s life
Para.5 E. the advantages of the project
2. Read the text, match the paragraphs with their general ideas.
Para. 1 advantages
Para. 2
Para. 3 disadvantages
Para. 4
Para. 5 brief introduction
【设计意图】通过阅读，让学生积累关于三峡大坝的知识储备，为下面的知识输出和运用做准备。
Step4. Careful-reading
1. Read the text carefully again and decide whether the following statements are true (T) or false (F).
(1) Mao Zedong once dreamed that there would be a great dam to harness the power of the Yangtze River.( )
(2) The Three Gorges Dam will provide enough hydro-electric power for the whole country.( )
(3) About 800 villages have been flooded.( )
(4) The Three Gorges Dam was built to control flooding and produce electricity.( )
(5) The dam will generate a lot of electricity causing more air pollution.( )
2. Complete the table according to the passage.
The Three Gorges Dam
Aim
Size
Expense
Conclusion
【设计意图】通过表格来锻炼学生寻找有效信息的能力并且积累知识。
Step5. Fill in the blanks according to your memory.
The Three Gorges Dam has been built to________ flooding and _______hydro-electric power. The dam, nearly 200 meters high and 1.5 kilometers wide, is the _______ hydro-electric power station and dam in the world. It will generate electricity ______about40 million tons of coal _______ causing so much ___________. The reservoir has ________2 cities, 11 counties, 140 towns and more than 4,000 villages. Over a million people __________ from their homes. The project has flooded some of China’s most famous _________sites. Some of them are being removed and some are being put into museums.
Step6. Discussion .
let’s discuss the advantages and disadvantages of the Three Gorges Dam in groups.
Advantage: Disadvantage:
【设计意图】通过讨论，给学生总结出一些描写一些大型工程所需要的要素和模式，为学生在下面的语言输出（采访和写作）降低难度，做好准备
Step7. Role Playing Game
Now you are working on a special report about The Three Gorges Dam, you need to interview some people to know their views about The Three Gorges Dam.
Let’s do an interview, with the following questions：
1.What is the purpose of building the Three Gorges Dam ?
2.What is the size of the Three Gorges Dam ?
3. What is the advantages of the Three Gorges Dam?
4. What is the disadvantages of the Three Gorges Dam?
【设计意图】通过前面的阅读和总结，让学生得到了关于三峡大坝的必要信息，同时熟悉了描述三峡大坝的模式。再通过采访，来进行语言输出，训练学生口语和语言运用能力
Step8. Homework.
You must:
1. Read the passage again and recite it.(★)
2.Preview grammar in Module 6 .(★)
(★★)
If you can:
Ask the students to write a short passage to describe a place of interest that you have visited.
. (★★★)
【设计意图】分层布置作业。对大部分学生要求复述课文，进一步形成良好的语感，以及预习本单元语法，对学有余力的同学，可进行综合写作技能的强化训练，并准备课前汇报。
M6 Old and New 评测练习
1、 Match the words with their chinese meanings
1. date A: 迁移
2. accommodate B: 狭窄的
3. construction C: 利用变成 动力
4. generate D: 发电
5. historical E: 全球的
6. narrow F: 始于
7. global G： 容纳
8.remove H：建造
9. harness I： 历史的，
10. submerge J： 浸入水中
2.Match the paragraphs with these descriptions.
Para.1 A. the introduction to the dam
Para.2 B. influences on historical sites
Para.3 C. Mao Zedong’s dream
Para.4 D. influences on people’s life
Para.5 E. the advantages of the project
3.Read the text, match the paragraphs with their general ideas.
Para. 1 advantages
Para. 2
Para. 3 disadvantages
Para. 4
Para. 5 brief introduction
4. Read the text carefully again and decide whether the following statements are true (T) or false (F).
(1) Mao Zedong once dreamed that there would be a great dam to harness the power of the Yangtze River.( )
(2) The Three Gorges Dam will provide enough hydro-electric power for the whole country.( )
(3) About 800 villages have been flooded.( )
(4) The Three Gorges Dam was built to control flooding and produce electricity.( )
(5) The dam will generate a lot of electricity causing more air pollution.( )
5.Complete the table according to the passage.
Aim
Size
Expense
Conclusion
6.The Three Gorges Dam has been built to________ flooding and _______hydro-electric power. The dam, nearly 200 meters high and 1.5 kilometers wide, is the _______ hydro-electric power station and dam in the world. It will generate electricity ______about40 million tons of coal _______ causing so much ___________. The reservoir has ________2 cities, 11 counties, 140 towns and more than 4,000 villages. Over a million people __________ from their homes. The project has flooded some of China’s most famous _________sites. Some of them are being
removed and some are being put into museums.
参考答案：
Answers:
1.1—F, 2—D, 3—B, 4—C, 5—A , 6—E （为学生的阅读扫清单词障碍，降低阅读难度）
2.Match the paragraphs with these descriptions.
Para.1 A. the introduction to the dam
Para.2 B. influences on historical sites
Para.3 C. Mao Zedong’s dream
Para.4 D. influences on people’s life
Para.5 E. the advantages of the project
3.Read the text, match the paragraphs with their general ideas.
Para. 1 advantages
Para. 2
Para. 3 disadvantages
Para. 4
Para. 5 brief introduction
4.T F F T F
5. Aim: To control flooding and provide hydro-electric power for the central region of China.
Size:200 meters high and 1.5 kilometers wide
Expense: cost more than any other construction project in history
Conclusion: The biggest construction project in China
The largest hydro-electric power station and dam in the world
The highest cost construction project in history
6. control, provide, largest , equal to, without, air pollution , flooded, removed, historical
