(
课件网) UNIT 3 ENVIRONMENTAL PROTECTION Reading and Thinking Lead in Activity 1 Fast reading Activity 2 Scan the text and tell: 1) What genre the text is 3) In which part of a newspaper or magazine may we find this passage Environment. Exposition. From the title, the graph and the picture. √ √ 2) How do you know Study the structure Activity 3 Divide it into some parts based on the main ideas. ① ② ③ ④ ⑤ Part Para(s) Main idea 1 2 3 4 1-2 the _____ of dramatic climate change that had an impact on Earth’s ecology 3 the _____ of the increase in the global average surface temperature 4 the _____ of the rise in temperature 5 the _____ to reducing greenhouse gas emissions evidence cause consequences solutions 1. What is the graph about Careful reading Activity 4 Part 1: Paras 1- 2 Read the text carefully and answer the questions. The graph is about _____ the Global Surface Temperature between 1920 and 2016. the change in 2. What happened to the polar bear in the photo 3. Why did the writer write about it It died of starvation. To show one of _____ _____ [due to global climate change]. the effects of rising temperatures on animals climate change low sea-ice levels lack of food longer food-seeking travel starvation 5. Describe the influence in your own words. 4. Underline the phrases that show the effect of climate change on the polar bear’s life. 6. What is the root cause (根本原因) Part 2: Para 3 What do you think may have caused the global temperature rise to keep Earth’s climate warm and habitable; to sustain life Greenhouse effect “Natural” greenhouse effect “man-made” greenhouse effect to cause Earth’s surface temperature to rise quickly the consequences Part 3: Para 4 What are the consequences of global temperature rise Part 4: Para 5 What should we do to deal with the problems make policies take appropriate actions and measures reduce our “carbon footprint” seize every opportunity to educate everyone government individuals Further thinking Activity 5 What will you do to help? Assignment 假如你是李华,你是你校环保社社长,非常关心目前的全球变暖问题。请你写一封倡议信给学校的同学们,提倡“低碳生活”(low-carbon life)。要点如下: 1)说明全球变暖问题,简述其原因; 2)提出具体措施; 3)发出倡议。