Unit 3 Environmental Protection Listening and Speaking 课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

Listening and Speaking Unit 03 Environmental Protection 新人教选择性必修三 Learning Objectives Students can accurately record the key points of the information they hear and organize them into a concise summary; Students can combine common sense to explore the causes of smog and corresponding treatment measures; Students can understand the significance of individuals in environmental protection; To learn some important words and sentence patterns. B. 学习理解类：获取与梳理 Tasks questions to lead in the topic Purpose: to arouse interest. Lead-in B. 3 Review the passage and answer the questions. 3.Where do greenhouse gases come from? Many greenhouse gases occur naturally in the atmosphere, while others are man-made. Most of the greenhouse gases of human-caused come primarily from fossil fuels — coal, natural gas, and petroleum (石油，原油) — for energy use. The large amount of extra man-made greenhouse gases is directly related to the problem of global warming. Besides that, the greenhouse gases have been influencing our daily life. B. Man-made greenhouse gases B. From the video I can see chimneys are in a power station and the sky is grey. Both places look very polluted. I can see some coal being burned. These situations influence my life not only by providing electricity for me, and transporting me, but also by polluting the air I breathe. From the video I know the air pollution can cause serious health problem. What information can you get from the video? How do these situations influence your life? B. We’ll listen to an interview about air pollution. Listen carefully and answer some questions. (P30-31) B. II Listening and Speaking B. 8 ③ Teaching method Tasks Ss to predict the content of the interview. Purposes: to learn to predict, to present related vocabulary. 学习理解类：获取与梳理 Pre-listening B. 9 (P30-E2) Listen to the interview with an air pollution expert and decide whether the statements are true (T) or false (F). √ √ √ √ √ B. ③ Teaching method Tintroduces the concep