Unit 3 Enironmental Protection Reading and Thinking高中英语人教版（2019）选择性必修第三册.pptxVIP

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Unit 3 Enironmental Protection Reading and Thinking高中英语人教版（2019）选择性必修第三册.pptx

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Unit 3 ENVIRONMENTAL PROTECTIONEarth provides enough to satisfy every man’s needs, but not every man’s greed.— Mohandas K. GandhiOpen page1. What’s happening in the photo?Large pieces of ice are breaking off a large glacier or ice sheet.2. Why does it happen? Because of global warming / the greenhouse effect / rising global temperatures.3. How do you understand the quote? How is it related to the theme of the unit?Earth can provide enough resources for man’s survival, but can not sustain man’s damage to it, due to its greed for resources, which is the root cause of environmental problems and the basic reason for environmental protection.Earth provides enough to satisfy every man’s needs, but not every man’s greed.— Mohandas K. GandhiDiscuss the climate change Climate Change Requires The World’s Attention Reading and ThinkingPre-reading1 Before you read, look at the praph and the picture below and discuss these questions in groups.1. What is the graph about? What information can you get from it? It is about the change in the Global Surface Temperatures between 1920 and 2016. It shows us that the global temperature is rising steadily and continuously.It shows us that the earth is becoming warmer and warmer.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 similar photos to it. The story behind it might be that the polar bear was struggling to find food but in vain, and starved to death.Scanning2 Read the text and answer the questions.1. What happened to the polar bear in the photo? Why did the writer write about about it?The ploar bear died of/from starvation. The writer wrote about it to show how the increase in temperature had an impact on Earth’s ecology. The writer wrote about it to show one of the effects of rising temperatures due to climate change.2. Why?is?the?“natural?”greenhouse?effect?important?and necessary？?Because?greenhouse?gases?in?the?atmosphere?trap?some? of?the?heat,?keeping?E