文档介绍：人教版九年级unit1课件英语人教版九年级全册unit13section,a
五站中学 姜丹丹,The earth is polluted.,Lead-in,Unit 13 We re trying to save the earth!,Section A 1,,air pollution,The factories that burn coal pollute the air with a lot of black smoke.,n. 煤炭,,Factories put waste into the river.,water pollution,mobile phone pollution,,litter v. 乱扔 n. 垃圾 Rubbish， waste 垃圾，废弃物,People should throw away litter in the bin.,n. 垃圾箱,noise pollution,There are more cars on the road.,,1a,Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.,noise pollution ____________ ____________ ____________ ____________,air pollution ___________ ___________ ___________ ___________,water pollution ____________ ____________ ____________ ____________,loud music,planes,mobile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,building houses,,1b,Listen and complete the sentences.,really dirty,rubbish,fish,litter,waste,government,close down,clean up,Listen again and check (√) the sentences you hear.,1. We could go fishing in the river. 2. The river was really dirty. 3. The river has always been the nicest river in this town. 4. We should ask the teachers for help.,√,√,1c,Role-play the conversation,The river was dirty. Even the bottom of the river was full of rubbish.,But it used to be so clean!,Yes, but people are throwing litter into the river.,Everyone