多媒体学习课件(1)

基本版多媒体学习课件Unit10Unit10PollutionLead-inTextExercisesHomework1Howdoyoufeelafterlisteningtothissong?2Ispollutiononeoftheseriousproblemsweface?Listentoearthsongandanswerquestionsindustryfactorychimneysfacorywastepolluteair,waterandanimalsListentothefirstparagraphandanswerthequestion:Howdoesindustrycausepollution?Text1/5tanker…byaccidentoiloiltank…whilebeingcleanedoutonpurposepollutesbeachesandkillseabirdsListentothesecondparagraphandanswerthequestion:Whatcausewaterpollution?(industrychimneysandwastes)Text2/5:Areinsecticidesalwaysgoodforus?Why?Insecticidesupsetthebalanceofnaturebykillingthefoodsupplyforbirds.harmanimalsthatfeedonthecropsText4/5Listentothelastparagraphandanswerthequestion:Whatcanwedotostoppollutionandprotectourenvironment?1)havepassedAnti-pollutionlaws2)removethepoisons3)Don’tlitter.4)saveournaturalsources3)plantingText5/51Factoriesmaycause_________.AbothairandwaterpollutionBonlyairpollutionConlywaterpollution2________mayresultfromthosefactoriesthatdischargeintotheriverswastecontainingpoisonouschemicals.AAirpollutionBWaterpollutionCAirandwaterpollutionBAExercises1/33Waterpollutionisdangerousbecause_________greatharmtous.ApollutedseawaterdoesBthedeadseabirdsdoCpolluteddrinkingwaterandseafooddo4Incitiesindevelopedcountries_______maybeamajorcauseofairpollution.AsmokefromrestaurantsBpoisonousgasesfromcarsCwastescontainingharmfulchemicalBCExercises2/35Intheworld_______pollution.ApeoplearefightingagainstBgovernmentsarenolongerunawareofthedangerofCfactorieshavestoppeddischargingwastessothattheyarenolongercausesof6Pollutionhascomeunderbettercontrol__________.AinmostcountriesBatleastinsomecountriesCinsomecountrieswhereindustryisnothighlydevelopedABExercises3/3atankerHomework（家庭作业）1Discuss:Howtostopcarpollution？2FinishtheExsintheworkbookonp73-75.