高二英语Unit 9 Saving the earth课件 人教版

课件23张PPT。地球杯知识竞赛Round I find fault with the picture 大家来找碴 What shouldon’t people in the picture?Round 2Choose the best answer1.The allowed street noise at night is 55 decibel (分贝) at most， while at daytime it is _____ at most. A. 60 db B. 65 db C. 70 db D. 80 db2.Off gas (tail gas) from a car is ____. A. PM10 (可吸入颗粒物) B. SO2 C. NO2 D. all of the above D. all of the aboveWhat do you know about the earth day? 地球自白：人类，救救我吧！ It began in _____ A 1970 B 1969 C 1971 It is on _____ A April 1st B May 1st C April 22nd The Earth Cup ContestWho winsWelcome to the earth summitUN Secretary-General Kofi Annan China’s then premier Zhu RongjiMake a predictionWhat will they talk about?Para 1Para 7Body IntroductionconclusionPara 1 What’s the meaning of sustainable development?It means continuing developing the world without damaging the environment.《吕氏春秋》： 竭泽而渔，岂不获得？ 而明年无鱼； 焚而田，岂不获得？ 而明年无兽。What are the problems facing the earth ?A. The big three--contaminated drinking water, poor sanitation, and air pollution. B. violence, war, and poverty. Para 2,3 the need for equality and fairness in the worldChina’s then premier Zhu Rongji stressed _____ .Read 4, 5, 6 Why is the earth summit important?1. It helps people understand that there exist serious problems and that there is still time to take action.2. It can also tell us what we can do to help. If I had known that air conditioner cause so much pollution, I would never have bought one. B. I didn’t know this in the past, so I bought one. So I regret. What’s the meaning of “Had I known that air conditioners cause so much pollution, I would never have bought one.”?Draw a Conclusion:Para 71. _____ is the key to the future. 2. Build a society _____ the nature.Educationin harmony withSuppose you are the leaders who attend the earth day summit, what should you say? Let’s discuss in groups and act out.阿罗约Say together: 1.Change the way we think and the way we live. 2.put an end to the bad behavior. 3.Wipe out the bad habit.Homework: write a composition about what we can do to protect the environment.