Unit 4 Developing ideas 课件 2021-2022学年高中英语外研版选择性必修第四册

1. To learn to view the picture and title to get some related useful information. 2. To gain the main idea and detailed information using skimming and scanning. 3. To analyse the structure of the passage. 4. To develop the awareness of being into sharing. Learning objectives Look at the pictures and find out what they have in common. They are shared items. 扫码开车 外研版 选择性必修四 Unit 4 Everyday economics Developing ideas What’s mine is yours. Your understanding of the title? In everyday life, people share common items, joy or sorrows. With the rapid development of economy, goods, service and technologies etc. can be shared at competitive prices at the click of a button, which brings people more benefits. Have sth in common Tell sb sth Use/experience sth with sb What How Why Read and match the paragraphs to their functions and give your reasons. Para. 1 Para. 5 Para. 2 Para. 3 Para. 4 a. To highlight the key benefits of the sharing economy. b. To explain and elaborate on the sharing economy. c. To lead the topic from sharing in childhood to sharing in economic activities. d. To illustrate various drawbacks of sharing economy. e. To predict the future of the sharing economy. Main idea: To analyze the benefits and problems of sharing economy Read and divide the passage into parts to match its main idea. B. Introduction of sharing economy A. Benefits of sharing economy D. Problems of sharing economy C. Conclusion and prediction on sharing economy Para. 1 Para. 5 Para. 2 Para. 3 Para. 4 Read and judge the writing style of the passage. 1. What’s the writing style of the passage? A. Narration(记叙文) B. Argumentation(议论文) C. Exposition(说明文) D. Practical Writing(应用文) 2. Review the structure of argumentation. Argument Supporting idea 1 Supporting idea 2 Evidence Evidence Learning to learn A two-sided argumentative essay investigates a topic by presenting collated information and evaluating evidence from both sides. lt should close by wrappin