Unit 3 Environmental Protection Reading and Thinking（课件）-2022-2023学年高二英语下学期同步精品课堂（人教版2019选择性必修第三册）

UNIT 3 ENVIRONMENTAL PROTECTION Reading and Thinking Learning Objective By the end of the class, students are able to accumulate some words about climate changes and environmental protection identify the style of this text and infer the writer’s purpose to think about the measures of environmental protection Part 1 Warming-up When you are encounted with environmental problems, what do you think? The earth is crying. People are trying to use the environment to maximize the use of resources. 1. What’s happening in the photo? The ice is melting. 2. Why did it happen? Because of the greenhouse effect/global warming. Part 2 Pre-reading What is global warming? Global warming natural disasters economic losses coastal cities submerged extreme weather unpredictable future of human animals dying What is global warming? How do you protect the environmental protection? Part 3 While-reading Scanning 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. Scanning What is the graph about? What information can you get from it? It shows the temperature anomaly, which shows how much the temperature has risen above what it would usually be at a base level. What happened to the polar bear in the photo? What might be the story behind it? The polar bear in the photo died of starvation. The story is that the polar bear starved to death because it could not find enough to eat. Scanning Scanning What is the purpose of writing this text? The author’s purpose is to inform the readers and inspire them to do whatever they can to deal with this problem. Scanning Read the passage quickly and summarize the main idea of each part. Part Paragraph Main Idea 1 2 1-2 The evidence of dramatic climate change that had an impact on Earth’s ecology 3 The cause of the increase in the global average surface temperature Scanning Read the passage quickly and summarize the main idea of each part. Part Para