仁爱版九年级上Unit2 Topic2 Section C课件(共26张PPT).ppt

Unit 2 Saving the EarthTopic 2 All these problems are very serious. Section C We learn: 1. Some words: hole, form, rise 2. Some phrases: take away, refer to 3. Some sentences: All these problems are very serious, so we must do something now. We can: Talk about the harm of pollution. 2. Surf the Internet to collect more information about environmental problems and effects. Then discuss the information in groups and take notes.3. Combine the key points in 1c and 2 to form a short passage and pay attention to the proper linking words. * (1)________ of us knows how to stop the bad behavior. (2) I knocked on the door but ___________ answered. (3)Listen! __________is knocking at the door. (4) ______ is difficult if you put your heart into it. (5) ___________ is ready. Lets begin. (6) Be quiet.I have ___________ important to tell you. (7) Is there ___________ you can do to help her? (8) There’re 5 000 people living here and almost _________has his/her own car. (9) Im new here. I dont know ____________ here. (10) I’ve looked for my pen __________ but I can’t find it anywhere. Fill in the blanks using something, anything, everything, nothing，nobody, everyone, anybody, everywhere, none, someone. None nobody someone Everything something anything everyone anybody everywhere Nothing What kind of environment do you want? What should we do to protect our environment ? In our daily life, we should face more environmental problems. What are they,do you know? cities, pollute, health problems factories, the land and the water, dead cut down, millions of, take away the earth, become deserts 拿走 oxygen a special kind of oxygen called “ozone” (O3) 臭氧 oxygen 氧气 a very big hole in the ozone layer, too much harmful radiation from the sun 臭氧层 放射，放射物 n.洞，坑 v.出现，形成 n.种类，形式 CO2 carbon dioxide increase a lot, form a “blanket”, the