Unit 3 Period 1 Reading and Thinking-2022-2023学年高中英语课堂同步精美课件（人教版2019）（选择性必修第三册）

Unit 3 Reading and Thinking ENVIRONMENTAL PROTECTION What can you see in the photo? What’s happening? Where do you think it was taken? What do you know about glaciers melting on earth? What does this photo make you think of? How do you feel when you look at the picture? Lead-in Earth provides enough to satisfy every man’s needs, but not every man’s greed. — Mohandas K. Gandhi What is the difference between “needs” and “greed”? How do you understand the quote? How is it related to the theme of the unit? To discuss climate change To learn to identify the style of this text and infer the writer’s purpose To learn to draw a diagram To be aware of the importance of cutting greenhouse gases and take effective action to do it; By teamwork, to present how to solve the problem of global warming in groups. Climate change is a heat topic for the scientists around the world. They all try to find out the truth about these questions: What causes the climate change? What are the solutions to stop climate change? View the video. What causes the climate change? What are the solutions to stop climate change? Global warming. Reducing carbon emissions. What other consequences may global warming bring about? Global warming Natural disasters Extreme weather economic losses animals’ dying the rise of sea level unpredictable future of human coastal cities submerged 1. What is the graph about? What information can you get from it? The graph shows the change in the Global Surface Temperature between 1920 and 2016. It shows the temperature anomaly (反常现象), which shows how much the temperature has risen above what it would usually be at a base level. 2. Have you ever seen the photo before? What might be the story behind it? I haven’t seen this photo, but I have seen photos like it. The story is that the polar bear starved to death because it could not find enough to eat. Before you read, look at the graph and the picture on Page 26 and discuss these questions in groups. 1. What type