精选优质文档-倾情为你奉上Unit 9 SAVING THE EARTHWarming up& ListeningWuhan No.19 Senior School Yu Jie BRIEF ANALYSIS OF THE TEACHING MATERIAL The theme of Unit 9- Saving the Earth is nature, ecology and our environment.The focus of this period is the problems facing the earth and the solutions to the problems. In this period, students can learn about how serious problems the earth is faced with. The pictures in the Warming upprovide students with opportunities to talk about nature ecolo
