(
课件网) Lesson 5 Key question Why should we learn about the Earth Before you watch Where is Saihanba located Have you ever been there Do you know how large it is Do you think it is beautiful now Can you imagine what it used to look like Prediction: What are likely to be mentioned in the video the location of Saihanba the meaning of Saihanba the coverage of trees the area of grassland the number and types of plants and animals there the disappearance of habitats people’s cutting down forests While you watch Task 1 Watch a video clip about Saihanba and match the numbers with the things you have got. Task 1 Match the numbers with the things you have got. 1. the forest park a. nearly 1,000 2. grassland b. 80% 3. trees c. 94,000 hectares 4. plant species d. 15,000 hectares 5. animal species e. 70,000 hectares 6. forest coverage f. more than 600 7. a forest belt g. over 50 km long and 17 km wide While you watch Task 2 Watch the video again and answer the questions below. 1. What does the Mongolian word “Saihanba” mean 2. Why have animals, such as the red deer, returned to Saihanba 3. How does Saihanba help the environment now It means “beautiful highland”. Thanks to the newly-planted forest, animals such as the red deer have returned to Saihanba. The forest now protects the plain from sand and dust storms and also stops the flow of cold, dry air from the north. After you watch Group discussion What led to Saihanba’s great changes What can we do to protect forests Task 1 Scan the passage on page 62 and fill in the missing information. Pay attention to the time and events. Task 2 Summarize the main idea of each paragraph with subheadings and key words. Para. 1: _____ Para. 2: _____ Para. 3: _____ History and problems Actions and challenges Efforts and achievements Task 3 Think and answer How did Saihanba become a desert 2. Why was it difficult to turn the desert into a forest 3. How does the forest improve the environment in the Beijing area There were forest fires and wars, and people cut down many trees. Saihanba slowly turned into a desert. Because the cold and dry weather made it very difficult, and strong winds blew away many young trees. The forest helps provide the capital with clean water, and there are fewer sandstorms in the Beijing area now. Achievements Task 4 Interview （Group Work） Suppose you are a reporter for the school newspaper. The newspaper is going to carry a special feature on Saihanba Spirits. You are going to interview some relevant people about their experiences. S1: news reporter S2: director of the forest farm S3: early pioneer S4: director of research institute Self-assessment 评价 内容 1. 我能理解塞罕坝的相关背景知识。 1 2 3 4 5 2. 我能理解塞罕坝改造过程中遇到的困难。 1 2 3 4 5 3. 我能理解塞罕坝改造成功后是如何改善环境的。 1 2 3 4 5 4. 我能学习塞罕坝精神，愿意力所能及地保护环境。 1 2 3 4 5 Homework 基础作业 1. 完成课本p.63上的词汇练习。 2. 复述塞罕坝改造成功的故 ... ...
