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

Environmental Protection Look at the graph. What information can you get from it? What can you see in the photo? The earth is becoming warmer and warmer. The polar bear (北极熊) was skin and bones and starved to death. Now, let's read the passage to find out whether you are right. 2 What happened to the earth? drought flood global warming animals dying fire Glaciers melting Learning objectives By the end of this class, we will be able to 1. know the main idea and the structure of the passage. 2. learn the “greenhouse effect” and create a diagram describing how it works. 3. figure out effective ways to deal with climate change 1. What is the type of this passage? A. Argumentation B. Narration C. Exposition D. Advertisiment 2.According to the title, can you predict what aspects are included in the following essay? Because in the expository text, the authors sometimes use some graphs or diagrams in their essays in order to be more objective and scientific. Part 1: (para.1-2 ) Part 2: (para. 3) Part 3: (para. 4) Part 4: (para. 5) D: The evidence of dramatic climate change that had an impact on Earth’s ecology B: The causes of the increase in the global average surface temperature A: The results of the rise in temperature C: The solutions to reducing greenhouse gas emissions Match the main idea with each part. Evidence (para.1-2) 1.What evidence of climate change can you find? Evidence 1: Evidence 2: Evidence 3: a warming ocean and atmosphere melting ice rising sea levels climate change Evidence 4: a dead polar bear 9 2. Can you describe how climate change has influenced the polar bear’s life? Climate change low sea-ice levels could not h