高中英語 Lesson 90 多媒體教學設計方案
學生活動：學生在一個小組內，可查閱讀相關的資料，或根據書上提供的部分資料，得出結論。
Situation A:
What are the dis)advantages of the Aswan Dam? （參考答案見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
教師活動：教師可提供給學生難句或生詞，學生寫完之后，教師可講評某個學生的范文。
學生活動：學生根據下面的要求，寫出相應的文章
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(公頃). 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
教師活動：教師展示本課的相關圖片，讓學生來欣賞和觀看，如有時間可進行解釋說明。