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Lesson 90 Aswan Dam. Lesson 90. Talk about water :. If there is no water, what would happen?. If there is too much water, what would happen?. There would be floods . ( n ). Floods usually flood large areas and destroy houses and crops. ( v ). What would people do to control floods?.
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Lesson 90 Aswan Dam Lesson 90
Talk about water : If there is no water, what would happen? If there is too much water, what would happen? There would be floods. ( n ) Floods usually flood large areas and destroy houses and crops. ( v ) What would people do to control floods? To build dams on the rivers that usually flood.
What famous dams do you know in the world? Lake Nasser The Aswan High Dam
The Great Wall The pyramid Three of the biggest man-made projects in the world. The Aswan Dam
Where is the Aswan Dam? When was it built? Why was it built? How big is it?
Listen to the tape and discuss: Time: It was completed in 1970. 1.To control the floods of the Nile. Reasons: 2. To make electricity from the water that rushes through the base.. Length: 3830 metres. Base-- 980 metres. Top -- 40 metre. Width: Length of the lake: 500 kilometres
First reading Think about the questions: What problems did the Aswan Dam make? Water level --rise --cover fields and villages -- cover important old temples So what would people have to do? 1. To move the people. 2. To save the temples.
1.How much would the water level rise? It was to rise by 63 metres. 2. So how many people would have to move? 53,000 people had to move from the villages. 3. How many important old temples were in danger? A lot of important old temples were in danger. 4.What was the most important temple in danger? The Abu Simpel.
The temple of Abu Simbelwas in danger as a result of the dam.
5.Why was Abu Simpel very important? It is about 4,000 years old. It is about 4,000 years old. the figures It was carved in the rock and had four large stone figures, each of which was 20 metres high.
Second reading Then retell the story with your own words: a). Why was the Aswan Dam built? b). Why was the Abu Simpel in danger?
Now, the biggest dam is the Three Gorges Dam in China, which is being built in Yichang, Hubei. San Dou Ping
Height of the dam: 185 metres Length of the dam: 3035 metres Water level: 175 metres
Discussion: 1.Why is The Three Gorges Dam built in China? To control the floods in the Yangtze River and to produce electricity for China. 2.What problems does the dam bring about? • Hundreds of villages and towns will be covered by the water. • Lots of old temples and places of interest such as Bai Ti Cheng and ZhangFei Temple will be covered by water.
About 1.13 million people have to move as the dam is built. Further discussion: Is it good or bad to build the Three Gorges dam? (Give your opinions) Homework: Search more information about the Three Gorges Dam .
Second period Language study: • They are at breakfast.( lunch; dinner) • They are having / eating breakfast. • eg. What are you at now? at work at school at sea at war at play = be working = be studying = be sailing = be fighting = be playing
2. would like to do sth feel like doing sth 愿意, 想做 I’d like to have some beer. I feel like having some beer. I’d like to stay at home. I feel like staying at home. He wouldn’t like to go to bed. He doesn’t feel like going to bed.
3.Can’t we visit the dam? 否定疑问句表示邀请或征求意见 Won’t you come in for a minute? Don’t you think it’s a lovely place? Can’t you give us a help? Won’t you come this way? 4. Electricity can now be made from the water which rushes through the base of the dam.
从水坝底部急速流出的水现在可以用来发电。 Rush: go and come with violence or speed. The fire broke out suddenly and they rushed through the windows. They rushed down the stairs to meet their old friends. 5. Also, around the area of Aswan there are a lot of important old temples, which date form about 1250 BC. ……..它们是公元前1250 年左右建起来的。
date from / back to从…时开始; 可追溯到…. 赵州桥是隋朝时期建的。 这种服装从19世纪就开始有了。 从学生时代我就对集邮感兴趣了。 Zhao Zhou Bridge dates from the Sui Dynasty. That dress dates back to the 19 century. My interest in stamp collecting dates from my schooldays.
6. It was carved in the rock and…stone figures,each of which was 20 metres high. 非限制性定于从句,介词 + 关系代词 They live in a house, the door of which opens to the sea. 中国有成千上万的岛屿,其中最大的是台湾。 那座大楼曾经修复过,但在大火中,楼顶又被烧毁了。 China has thousands of islands, the largest of which is Taiwan. The building had been repaired, the roof of which was destroyed in the fire.