人教版新课标英语选修6unit4 workbook教学课件.ppt

Listening,Page62,Answerkeyforexercise2:,anorganizationbykidsforkids;concernedwiththeenvironmentfourstudentsinAustralia;in1996todrawattentiontotheenvironmenttheHorsethatSavedtheWorldtoexplainwhyitsbetterfortheenvironmentifwewalktoschool,ridebikesorgobybus,Answerkeyforexercise3:,Methodsofsavingenergy:buyenergy-savinggoodsturnoffapplianceswhennotusingthem,ProjectsthatMillenniumKidshavedone:plantedtreesdevelopedactivitiesthatreduce,reuseandrecyclewasteplannedwaystoreducerecycleandreuseplasticbags,Usingwordsandexpressions,Suggestedanswerstoexercise1:,Page63,Ithinkourconferencewasverysuccessfulonthewhole.ProfessorBrownspresentationwaswarmlyreceived.Thereisawiderangeofenergysources:coal,oil,naturalgas,waterpower,nuclearpowerandsoon.Sinceyourbicycleisbroken,youcanusemine,solongasyoutakecareofit.Sueoftenbuysfoodatthenearbystoreandheatsitinthemicrowaveforlunch.Thenshedrinksacanofcoketorefreshherselfandgoesbacktotheoffice.,IwouldliketothankMrSmithonbehalfoftheschoolforhisworkasascholar,anengineerandeducator.Sheisopposedtowar,crueltytoanimals,racismandsoonwithacommitmenttohelpalllivingthings.Hisprogrammehasbeenpassedsmoothlybecausemostoftherepresentativesintheconferencesubscribedtoit.Inrecentyears,thewintertemperatureinthisregiontendstogoup,andoneofthemainreasonswhichhaveresultedinthisconsequenceistheairpollution.,Hismaincontributiontoourcountryisthathesuggestedoncontrollingpopulationgrowth.Thechairmanoftheconferencestatedthatthoughthepeopleatpresentareindisagreementonsomeissues,theyareinagreementwitheachotheronenvironmentalprotection.Theexistenceoflifeinouterspaceisstillamystery.Expertssaidthattheglobaltemperaturewouldshowatendencytoincrease.,Suggestedanswerstoexercise2:,mild,circumstance,flood,catastrophe,steadily,casual,average,widespread,electrical,motor,advocated,putupwith,kepton,Usingsturctures,Itwasin1996thatthefirstchildrensconferenceontheenvironmentwasorganizedinAustralia.Itischildrenthat/whorunMillenniumKids.ItisontheInternetthatyoucanfindoutmoreaboutMillenniumKids.Itisattheyearlyconferencethattheyoungpeopledecidewhichprojectstheywanttoconcentrateon.ItisplasticbagsthatMillenniumKidsisaskingustoreduce,reuseandrecycle.,Page64,Answerkeyforexercise1:,Answerkeyforexercise2:,Indeed,itwasfourAustralianchildrenwhostarteditin1996whentheyorganizedthefirstchildrensenvironmentalconference.Itisatthisconferencethatwedecidewhichprojectswewanttoworkoninthefollowingyear.ItwasthroughoneoftheseprojectsaboutfiveyearsagothatIfirstbecameinvolvedMillenniumKids.,Listeningtask,Page65,Answerkeytoexercise1:,Part1:HowfanKiermanbeganClean-upAustraliaDayPart2:Clean-uptheWorldDayandIanKiermanscontributiontoimprovingtheenvironment,AnswerkeyforExercise2:,IanKiermancompetedinaround-the-world,Hewasshockedatthepollutionintheocean.,Clean-updayforSydneyHarbour,40,000volunteers;collectedoldcarbodies,plastics,glassbottles,cigarettebutts,thefirstCleanUpAustraliaDay,300,000volunteers,CleanUpAustraliaDay,mostcommonkindsofrubbish:cigarettebutts,glassbottlesandplasticbags,thefirstCleanUptheWorldDay,30millionvolunteersin80countries,CleanUptheWorldDay,40Millionvolunteersin128countries;cleanedstreets,beaches,riverbanksandparks,CleanupYourButtsandBags,ReadTomsessayaboutlitter.Makeasummaryforeachparagraph.,Readingtaskon66,CleanupYourButtsandBags,AnswerkeyforExercise1:,Themainpointofviewtobecircled:allsortsofitemsbecomelitter,buttwoofthemostcommonandmostdangerousarecigarettebuttsandplasticbags.TheevidenceaboutcigarettebuttsTomgivestosupporthisargumenttobeunderlined:Over1600billioncigarettesaresmokedeachyearinChinathetoxicchemicalsadduptoagreatamount.,TheevidenceaboutplasticbagsTomgivestosupporthisargumenttobeboxed:Theyaremadefromtokillanotheranimal.Tomssolutions:1).Putcigarettebuttsintherubbishbin.2).Nottoletplasticbagsbecomelitter.3).Usefewerplasticbagsandrecyclethem.4).Nottosmoke.5.Notuseplasticbagsatall.,AnswerkeyforExercise2:,Litterisaseriousenvironmentalproblem.,Cigarettebuttsaresmallbutarestillbadfortheenvironment.,Over1600billioncigarettesaresmokedeachyearinChina.Manyofthebuttsbecomelitter.4.5trillionbuttsarelitteredeveryyearintheworld.Buttsspoilthebeautyoftheenvironment.Buttscontaintoxicchemicals.Thesegetintothewatersupply.Thesedecreasethequalityofthewaterandendangerlivingthings.Buttstakeupto5yearstobreakdown,sothetoxicchemicalsadduptoagreatamount.,Evidence:,Plasticbagsareadangertotheenvironment.,1.Plasticbagsaremadefromnon-renewableresources.Iftheyarenotrecycled,theseresourcesarelosttous.2.Inchina,2billionplasticbagsareusedeveryday.Manyofthesebecomelitter.3.Plasticbagslastfrom20to1,000yearsintheenvironment.,Theenvironmentwouldbelesspollutedifwecleanedupcigarettebuttsandplasticbags.Thebestsolutionwouldbenottosmokeoruseplasticbagsatall.,Discussion,Discusstheenvironmentalproblemsthatconcernpeoplemostingroupsoffour.Listasmanyenvironmenttopicsaspossible,thenwritethemonapieceofpaper.,environmenttopics,airpollution,noise,soilerosion,waterpollution,litterclassification,desertification,makegreenbyplantingtrees,deforestation,waterpollution,airpollution,soilerosion,desertification,deforestation,litterclassification,plantingtrees,Chooseatopicfromthelistthatyoufeelstronglyabout.Makenotesonyourtopicusingheadingssimilartothetableinthereadingtask.Usethepassageasamodel.,Writing,Step1:Writeoutthethesisstatement.(pointofview)Step2:Writeoutthetopicsentenceofthefirstbodyparagraph.Step3:Givethesupportingpointsanddetailsaboutthefirstsubtopic.Step4:Writeoutthetopicsentenceofthesecondbodyparagraph.Step5:Givethesupportingpointsanddetailsaboutthesecondsubtopic.(morebodyparagraphs.),Writingtips,TheEnvironmentalEffectsofFossilFuelsThereisnodoubtthatfossilfuelsbringalotofgoodtous.Butdoyouknowthatmanyoftheenvironmentalproblemsourcountryfacestodayresultfromourfossilfueldependence.Theenvironmentfacesairpollution,globalwarming,acidrain,andseveralotherveryseriousproblemsbecauseofouruseoffossilfuels.Overthelast150years,burningoffossilfuelshasresultedinmorethan25percent,Asampleversion,increaseincarbondioxideinouratmosphere.Ca