1、The Villain in the AtmosphereIsaac AsimovTextThere is one gas present in the air we breathe that is essential to life. Unit 5The Villain in the Atmosphere Useful expressions Text interpretation Word family Sentence structure Translation Reading skill Guided writing HomeworkUseful expressions 破坏友谊 香精
2、油 皈依伊斯兰教 面纸，化妆纸 表面优势 沿海城市 一小部分 Poison friendship Essential oil Convert to Islam Facial tissue Apparent advantage Coastal cities A fraction ofUseful expressions 平稳增长 内陆国家 有失尊严 /身份 流行病 处于压力下 社会关系 油箱 Steady increase Inland country ones dignity A disease Under pressure Social connections Gas tanksUseful
3、 expressions 透明皂 独特风味 蔓延植物 不利因素 (火 )吞噬房屋 从 角度 替代能源 Transparent soaps A distinct flavor A creeping plant Adverse factors Consume houses From the of Alternative energyText interpretation Warm-up questionsvHave you ever noticed any weather changes where you live?vDo you have any idea of the greenhouse
4、effect? What is the cause? What is the effect? What is a way out? vBackground Information外教社课件Text interpretation Answer the questions Comprehension on p.106 What type is the text, generally?A. narrationB. expositionC. descriptionD. argumentation记叙文说明文描述文议论文Text interpretation What is the main idea/
5、topic of the text?It explains the green house effect. The text is mainly in the pattern.A. general-specificB. problem-solutionC. cause-effect总分问题 -解决因果Text interpretation Try to pick up those words or sentences that serve as links between paragraphs or parts of the text. 2 it 3 whats more 4 but here
6、 6 eventually 7 not onlybut 8 and all because of 9 it begins with 10 however 12 this means 14 but why 15 to blame 16 to make matters worse 17 whatever replaces 18 but this 19 what is to be done 20 first 21 second Part divisionMain IdeasParasParts 1 1-72 8-134 19-21CO2 doesnt seem to be but is a villain.CO2 keeps us warm but its continued concentration is disastrous.What is to be done?3 14-18 Why is the concentration of CO2 steadily rising?Text interpretation
