人教版 选修6 Unit 4 Global Warming reading课件（共33张PPT）

课件33张PPT。Unit 4 Global Warming高二（2班） 刘琴前言Preface Energy is everywhere and it plays an important role in our daily life. Without energy, we wouldn’t do anything. So find out energy around us. Please look around the classroom and find something that consumes energy. Look at the pictures and then tell me what they are as well as what energy they use.windmills(风车)a coal power stationan oil refinerya nuclear power plantsolar panelsa hydro-electric dam1.What energy has been mentioned?Coal, oil, wind, solar energy, nuclear, hydro-energy.2.Which of them are called fossil fuels?Coal and oil.What are fossil fuels? Fossil fuel (化石燃料) : Ancient animal and plant bodies below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy; They also will give out a large amount of “greenhouse gases” like carbon dioxide, causing the global warming. Watch a video about global warming and fill in the blanks with words from below. What causes global warming? Greenhouse warming is caused by (1) _____, from burning of the (2)_____ ,and by (3)_____, which (4)_____carbon dioxide from cutting trees.They are also called (5) _____.greenhouse gases, carbon dioxide gases, coal and oil, deforestation, releasescarbon dioxide gasescoal and oildeforestationreleasesgreenhouse gasesThe Earth Is Becoming Warmer , but Does It Matter?ReadingPart1 Part2 Part3 (1)(2-5)(6)A. How global warming comes about B. List two different attitudes towards global warmingPart4 (7)D. Whether people should do something about global warming 1. Match the main idea of each partgivingexamples, using graphs and quotes(引言）giving examples, making contrastleaving a questionraising a questionC. Introduction of global warming 2. What does the passage mainly talk about?A. The cause of global warming B. Two different attitudes towards global warming C. It doesn’t matter that the earth is becoming warmer D. Both A and B3. What is the writing style of the passage? Exposition（说明文） B. Argumentation（议论文） C. Narration(记叙文）4. Draw the mind map of the structure.5.This article is from _____. A. An environmental magazine. B. A diary C. A novel D. A storyPara. 11. temperature 2. rise-rose-risen 3. degree 4. Fahrenheit 5. rapid 6. increase 7. compare to 8. natural 9. change 10. explore1. 增长 2. 探索 3. 增长 4. 迅速的、飞快的 5. 自然的 6. 和......作比较 7. 温度、气温 8. 华氏的 9. 变化 10. 度、度数 1. Who writes this article? Sophie Armstrong of Earth Care 2. What happened during 20th century? The temperature of the earth rose about one degree Careful readingIntroduction of global warming. 1. There is no doubt that... 2. graph 3. cause 4. rather than 5. random 6. phenomenonPara. 21. 图表、曲线图 2. 导致 3. 而不是 4. 随意地、随机的 5. 现象 6. 毫无疑问的是......1. subscribe to 2. view 3. be due to 4. fossil 5. fuel 6. produce 7. byproduct 8. process Para. 31.观点 2. 由于 3. 吸收 4. 生产 5. 副产品 6. a quatity of 7. 多余的 8. ... ...