(课件网) Grade 9 Unit 13 We're trying to save the earth Section A 2a-2b Steps 1 Lead in 2 Talk about pollution 3 Presentation 4 Practise 5 Sum up need to save Why does the eath need to save Part 1 lead in What can you get from the title save Part 2 Talk about pollution I'm sick His breath is becoming cloudy. Air pollution There are more cars on the road these days. Factories the burn coal polluted the air with a lot of black smoke. burn coal His blood is no longer clear. Water pollution People throw litter into the river. Factories put waste into the river. litter His voise is no langer sweet Land pollution He no langer has a beautiful appearance. His voise is no langer sweet Noise pollution His voise is no langer sweet The river was _____. Even the bottom of the river was full of _____. There were no more ____ for fishermen to catch. ...的底部 Part 3 Presentation the bottom of close down关闭 clean up 打扫 The problem What caused the problem How to solve Water pollution People are throwing litter into the river. Factories are putting waste into the river. Everyone should paly a part in cleaning it up. play a part in doing sth 积极参与做某事 The river was really dirty. It used to be so clean. People throw litter into the river. People should play a part in cleaning up the river. Look at the pictures and make sentences used to be 过去 A. land pollution B. air pollution C. noise pollution D. water pollution 2a Listen to the interview. Circle thekinds of pollution that Jack and Susan talk about. more cars pollution are throwing public place The air is badly polluted It used to be clean There are more cars on the road these days. People can use the public transport more frequently than cars. What could you get from 1b & 2a We must save the earth. Discussion in group How to save Part 4 Practise Show time Show several students'project Take bus or ride bikes instead of cars Reuse the piastic bag Reucycle the paper Turn off the lights when leaving We must protect the earth. Part 5 Sum up Thank you for joining us!