高中英语Lesson90多媒体教学设计方案

　　Teaching Aims:
　　1. Let students know about the passage by fast reading and intensive reading.
　　2. Have students grasp the main idea of each paragraph and some key words.
　　Teaching procedures:
　　Step I Lead in
　　教师活动：教师展示法云埃及与阿司旺大坝的图片(见ppt.)，提问下面问题，教师可提问所有学生及个别学生。
　　学生活动：学生在看完图片后，回答所列的问题。
　　Show the map of Egypt and Africa. Get the Ss to respond the teacher’s questions:
　　T: Where is Africa ? / Where is Egypt ?/ What is the river? What is the dam ?
　　Step II. Watch the video
　　教师活动：教师播放此视频（见ppt.），学生看完后，教师留给学生一个问题来思考或回答。
　　学生活动：学生根据所看的视频，并且思考或回答所设的问题。
　　Q: Is the High Dam a successful project ? (No)
　　Step III. Presentation
　　教师活动：教师展示法此图片（见ppt.），给学生二至三分钟的时间，提问学生下面的问题，教师可对答案对进一步的解释。
　　学生活动：学生看完图片后，思考之后，回答所列问题。
　　Show the picture and give them two questions ,
　　Qs: (1).What is the High Dam like ?
　　(2) How big the High Dam?
　　Step IV Listening
　　教师活动：教师播放此录音一遍，如果学生不够理解，可再重复播放一至两遍。（见ppt.）
　　学生活动：学生在听完录音后，回答两问部分段落的意思。
　　Answer the each paragraph meanings after listening.
　　Listen Paragraph l
　　Key: Aswan Dam is biggest man-made project
　　Listen Paragraph 2-5
　　Key: The procedures of the building Dam
　　Step V Fast Reading
　　学生活动：学生通过快速阅读，回答下面的问题。
　　Ask students to read the text quickly. Get students to say the followings true or false.
　　1)The River Nile used to flood the Pyramids. (F)
　　2)The Aswan Dam formed by itself. (F)
　　3) Now the waters of the Nile can run regularly the whole year. (T)
　　4) About 20-50% of the electricity which Egypt needs is made from coal. (F)
　　5) Aswan Dam is the one of the three biggest man-made projects in the world. (T)
　　6) The base of the Aswan High Dam is wider than its top. (T)
　　7) Because of the dam, the water level of the lake was going to rise to 63 meters. (F)
　　8) The old temples are very important, which has a long history. (T)
　　Step VI Intensive Reading
　　学生活动：学生通过阅读，回答下面问题。
　　1. Ask students to read the text again and carefully and choose the best answer to each question
　　1 ) Which of the following is not true according to the dialogue?
　　A. Mr. White would like to visit the town of Aswan.
　　B. Pippa prefers to visit Aswan on foot.
　　C. The Abu Simbel Temple is on the edge of the lake made by the dam.
　　D. Mrs. White suggests taking a hat in order not to get hurt.
　　2) The High Dam was built to _________.
　　A. control the waters of the Nile
　　B. make electricity from the water
　　C. make a large lake
　　D. Both A and B
　　3 ) The article mainly tells us _________.
　　A. the importance of building the High Dam
　　B. the problem caused by the High Dam
　　C. the rescue of an old temple
　　D. Both A and B
　　4) The project of moving the whole temple began in _________ and was finished in 1966.
　　A. 1960 B. 1962 C. 1963 D. 1964
　　5) Which of the following is true according to the article?
　　A. It is impossible to move the whole temple.
　　B. It is necessary to spend so much money in rescuing the temple.
　　C. It is easy to build the Aswan High Dam,
　　D. It is wrong that the temple was rescued.
　　Key: BDDBB
　　Step VII Summary
　　学生活动：学生分别完成下面的表格与提问
　　I. Fill in the form. characteristicwhen completedcountrysizeAswan Dam
　　Key: A biggest manmade project, 1970 , Egypt, 3830m, 980m, 40m
　　II. Answer the following Questions
　　1. Why was it built?
　　Key:1).The River Nile used to flood.
　　2) .Electricity.
　　2. Problems:
　　Key: 1).the water level of the lake
　　2) .move people
　　3).old temples, in danger for example, Abu Simple
　　Step VIII Discussion
　　教师活动：教师组织学生分成几个小组，对下面的话题进行讨论，给学生十分钟的时间，然后教师分别提问每个小组的讨论结果，教师可给予自己的理解和参考答案。
　　学生活动：学生在一个小组内，可查阅读相关的资料，或根据书上提供的部分资料，得出结论。
　　Situation A:
　　What are the dis)advantages of the Aswan Dam? （参考答案见ppt.）
　　Situation B：
　　Talk about the building of reasons and advantages in the Three Gorges Dam.
　　Suggest answer:
　　1.Reasons:One is to control the eater of the Changjiang River and the other is to make electricity.
　　2.Advantages:It has controlled the water of the Changjiang River and it won’t flood any more. The people will lead a safe and happy life along the Changjiang River.
　　Step Ⅸ Practice
　　教师活动：教师可提供给学生难句或生词，学生写完之后，教师可讲评某个学生的范文。
　　学生活动：学生根据下面的要求，写出相应的文章
　　According to answers and questions and write a article.
　　1.Where is the Palace Museum ? (in the center of Beijing)
　　2.How big is it ? (an area of 72 hectares)
　　3.When was it first built? (in the early 15th century)
　　4.How many people did it take to work on it? (1,000,000)
　　5.How long did the building of the project last? When was it finished? (14 years,1492)
　　6.What happened to some of the houses during the later years? (rebuild)
　　7.Who used to live in it ? (twenty-four emperors)
　　8.When did it become a museum and open to the public ? (1925)
　　Key:
　　The Palace Museum is in the center of Beijing. It covers an area of 72 hectares(公顷). It was first built in the early 15th century. It took 1,000,000 people to work on it. The building of the project lasted 14 years and was finished in 1420. During the later years, some of the houses were rebuilt. Twenty-four emperors used to live in it. It was not until 1925 that the Palace Museum became a museum. Since then the place has been open to the public.
　　Step ⅩHomework
　　1.Finish the Workbook exercises.
　　2.Read the passage again.
　　3.Preparation the Lesson 91.
　　Introduction
　　教师活动：教师展示本课的相关图片，让学生来欣赏和观看，如有时间可进行解释说明。