3.1 Unit 3 Environmental Protection Reading and Thinking课件-高中英语人教版(2019)选择性必修第三册单元整体教学设计(视频+课件+教案)

Unit3 Environmental Protection Reading and thinking 东方市八所中学 钟艳艳 Climate Change Requires the World’s Attention What's happening in the photo? What causes these changes? Acticity 1 lead-in Observe and talk Earth provides enough to satisfy every man’s needs, but not every man’s greed. — Mohandas K. Gandhi What’s the difference between “need” and “greed”? How do you understand the quote?How is it related to the theme of the unit? Let’s see one of the consequences that global warming brings about. What other consequences may global warming bring about? Skim the graph and the picture in the passage, and find out the information. Acticity2 pre-reading 1.What is the text type of the passage? A. Narration(记叙文). B. Argumentative Essay(议论文). C. Expository Writing(说明文). D. Practical Writing(应用文). Look at the graph below.What information can you get from it? Acticity 3 While-reading Read for the gist. Read for the gist. problem example causes effects solutions Expository writing Look at the structure of the text and find out the feature of expository. Part Paragraph Main idea 1 1-2 The of dramatic climate change that had an impact on Earth’s ecology 2 3 The __________ of the increase in the global average surface temperature 3 4 The of the rise in temperature 4 5 The to reducing greenhouse gas emissions Look at the four parts of the text and fill in the blanks. evidence causes effects solutions Read for the structure. Read the text again and answer the questions. 1. What happened to the polar bear in the photo? Why did the writer write about it? 2. Can you use your words to describe how climate change have influenced the polar bear’s life? The polar bear in the photo died of starvation. The writer wrote about it because it showed one of the effects of rising temperatures due to climate change. Climate change low sea-ice levels bears could not hunt had to travel greater distances t