Unit 3 Environmental Protection Reading and Thinking阅读课课件-2023-2024学年高中英语人教版（2019）选择性必修第三册

Reading and Thinking Unit 03 Environmental Protection 新人教选择性必修三 B. Learning Objectives By reading, explain causes and negative effects of global warming; Be aware of the importance of cutting greenhouse gases and take effective action to do it; By teamwork, present how to solve the problem of global warming in groups. B. B. 1 look and discuss What’s happening in the picture? Where is it? B. B. 3 The picture showed us Glacier melting, we can see a large piece of ice breaking off a large glacier. It is likely to be in the Arctic or Antarctica or somewhere nearby. What’s happening in the picture? Where is it? B. B. pre-reading 2 What happened to the polar bear in this video? what caused this? B. B. 1.What’s the type of this text? a. news report b. biography c. expository essay d. argumentation 2. what’s the main purpose? to persuade readers to focus on climate change problem while-reading 3 Expository essay The authors sometimes use some graphs or diagrams in their essays in order to convince their readers. These graphs and diagrams often come from scientific reasearch reports and other reliable resources. B. B. predict: 1.What is the graph about? What information can you get from it? 2. What do you think might have caused the polar bear's death? B. B. read for the structure: 1. search for the topic sentence of each paragraph and summarize the main idea. 2. divide the passage into several parts B. B. Task 1: Find the key sentence of each paragraph and summarize the main idea of each part: Para 1 Para 2 The evidence of dramatic climate change that had an impact on Earth’s ecology 瘦骨嶙峋 B. B. Para 3 The cause of the increase in the global average surface temperature B. B. Para 4 Para 5 The consequences of the rise in temperature The solutions to reducing greenhouse gas emissions B. B. Summary Part Paragraph Main idea Ⅰ 1-2 Ⅱ 3 Ⅲ 4 Ⅳ 5 The evidence of dramatic climate change that had an impact on Earth’s ecology The cause of the incre