人教九年级英语 unit13 Section A 1-课件.pptVIP

Unit 13 Unit 13We're trying to save the earth!words and expressions Section A 1 1a-2d The earth is polluted.Lead-in air pollutionThe factories that burn coal pollutethe 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 pollutionThere are more cars on the road. 1aHere 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 musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phones 1bListen and complete the sentences.What was the problem?The river was _____________. Even the bottom (底部) of the river was full of _________. There were no more ______ for fishermen (渔民) to catch.really dirtyrubbishfish What caused the problem?People are throwing _______ into the river. Factories are putting ______ into the river.How should the problem be solved?We should write to the ____________ and ask them to ___________ the factories. Everyone should help to __________ the river.litterwastegovernmentclose downclean 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.√√ 1cRole-play the conversationThe 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 in this town should play a part in cleaning it up! PracticeMake conversations using the pollution in