【公开课】Unit+3Reading+for+writing+课件人教版（2019）选择性必修第三册

Unit3EnvironmentalProtectionUsinglanguage2amazingsplendidfascinatingfairylandmarvelousbreathtakingpicturesque......Whatplacedoyouthinkitmightbe?Haveyoueverbeenthere?Howdoyoudescribethispicture?TheLiRiverusedtobepollutedseriously!WhatdoyouthinkmighthavecausedwaterpollutionintheLiriver?Alargenumberoftouristscrowdinandleavetoomuchgarbage.Enterprisespouredthepollutedwaterintotheriver.ReadfortexttypeandmainideaPleasereadthetitleandpara.1toworkoutthetexttypeandthemainidea.AreportThewaterpollutionandmeasurestakentodealwithitintheLiRiver.ReadforthestructurePara1Introducingthe________Para2Describingthe_________Para3Presentingsome_______Para4Presentingfurther______problemsmeasuressolutionstopictopicproblemsmeasuresfuturesolutionsRblem-solutionpatternReadfordetails(Para.2&3)Drawamindmaptoshowallthefactorsthatcausedthepollutionandmeasurestakentodealwithit(Para.2&Para.3)waterpollutionmeasuresIncreasingnumberoftouristsReadfordetails(Para.4)PresentingfurthersolutionsWaterTenPlanRiverChiefSystemWiththesemeasures,itisbelievedthatthebeautyoftheLiRiverwillbepreservedforgenerationstocome.ReadforlanguagefeaturesThesechemicalsledtoseverewaterqualityissues,causingadecreaseinthenumberoffishspecies.Whatinnerrelationshipdotheexpressions“ledto”

and“causing”

suggest?causeandeffect:因果关系

Whatisthefunctionofthisrelationship?Writingtip:Whenwritingthecauses,use“CauseandEffect”

wordstomakewritingmorelogicalArethereanydifferentexpressionsusedtosuggestthecause-effectrelationship?

CauseEffectdueto+Nowingto+Ncausedby+Nresultfrom+Nwith/without+Nasaresultof+Nasaconsequenceof+NN+betoblameN+beresponsiblecause+Nleadto+Nresultin+Ncause+Ntodobringabout+Naccountfor+Ncontributeto+Nberesponsiblefor+Nas+Ssince+sso+smean+stherefore+sasaresult+sconsequently+sScanthepassagequickly,lookforthesentenceswithcause-effectrelationshipandidentifywhichexpressionisused.(Para1)However,itsreputationasatopdestinationhashadnegativeeffectsontheriver'swaterquality.(Para2)Previously,waterqualityintheLiRiverhadsufferedgreatlyfromanincreasingvolumeoftourists,manyofwhomfrequentlythrewgarbageintotheriver.(Para2)Manytourboatscontributedtotheproblemtoo.(Para2)Thegrowthintourismalsomeantthelocalpopulationroserapidly,aswellasthenumberofcommercialandindustrialenterprises.(Para2)Waterpollutionlevelsincreased,withmorehouseholdandcommercialwasteendingupintheriver.Waterpollutionisalwaysachallengingproblematpresentliketheprevioussituationof

the

Li

River.Readthefollowingsentenceswhichdescribethewaterpolutionandtrytousecause-effectexpressionstoconnectthemsothattheybecomemorelogical.1Countriesdevelopfastandpopulationsgrowrapidly.(CAUSE)People'demandforwaterresourcesincreases.(EFFECT)2Peoplerelyheavilyontheuseofchemicalstoincreasecropproduction.(CAUSE)Manywaterpollutionproblemsoccur.(EFFECT)3Householdwasteisfrequentlythrownintotherivers.(CAUSE)Thelivingenvironmentoffishspeciesisworsening.(EFFECT1)Humanhealthisbeingthreatened(EFFECT2)Possibleanswer1:Sincecountriesdevelopfastandpopulationsgrowrapidly,people'sdemandforwaterresourcesincreases.Possibleanswer2:Countriesdevelopfastandpopulationsgrowrapidly,whichcausespeople'sdemandforwaterresourcestoincrease.1Countriesdevelopfastandpopulationsgrowrapidly.(CAUSE)People'demandforwaterresourcesincreases.(EFFECT)Possibleanswer1:Peoplerelyheavilyontheuseofchemicalstoincreasecropproduction.Asaresult,manywaterpollutionproblemsoccur.Possibleanswer2:People'sheavyrelianceontheuseofchemicalstoincreasecropproductionbringsaboutmanypollutionproblems.2Peoplerelyheavilyontheuseofchemicalstoincreasecropproduction.(CAUSE)Manywaterpollutionproblemsoccur.(EFFECT)Possibleanswer1:Householdwasteisfrequentlythrownintotherivers.Consequently,thelivingenvironmentoffishspeciesisworseningandhumanhealthisbeingthreatened.Possibleanswer2:Householdwasteisfrequentlythrownintotherivers,notonlyworseningthelivingenvironmentoffishspecies,butalsothreateninghumanhealth.3Householdwasteisfrequentlythrownintotherivers.(CAUSE)Thelivingenvironmentoffishspeciesisworsening.(EFFECT1)Humanhealthisbeingthreatened(EFFECT2)Trytosummariestheexpressionsusedinpresentingcauses,solutionsandresults.CauseandEffect(Para.1and2)Solutions(Para.2and

3)Results(Para.3and4)

14.Withsuchcampaignsineffect,China’swaterwaysareheadingtowardsacleanandsustainableguture.Trytosummariestheexpressionsusedinpresentingcauses,solutionsandresults.CauseandEffect(Para.1and2)Solutions(Para.2and3)1....havenegativeeffectson...2....sufferfromsb/sth,who/which..3....contributetotheproblem4.waterpollutionlevelsincreased,with+O+OC5.....leadtosevere...issues,causing...1.Urgentstepsshouldbetakentodo…2.Acomprehensiveinitiativewasstarted,withanumberofmeasuresthataddressed…3.Thegovernmentsetupstrictregulationsregarding...4.Newruleswereintroducedregarding...5....spreadenvironmentalawareness6.Verbs:improve,close,setup,introduce,spread,carryout,fine,preserve,tackle,headtowards.14.Withsuchcampaignsineffect,China’swaterwaysareheadingtowardsacleanandsustainableguture.Trytosummariestheexpressionsusedinpresentingcauses,solutionsandresults.Results(Para.3and4)1.Withthesemeasures,itisbelievedthatthebeautyoftheLiRiverwillbepreservedforgenerationstocome.14.Withsuchcampaignsineffect,China’swaterwaysareheadingtowardsacleanandsustainableguture.2.Withsuchcampaignsineffect,China’swaterwaysareheadingtowardsacleanandsustainablefuture.当今，我们周围的空气环境变得越来越差，为了加强学生们的环保意识，学校打算开展以“为家乡空气污染问题出谋献策”为主题的征文活动，警示人们要保护环境。请你写一篇报告，内容要点如下：1.写明家乡空气污染的原因；2.建设绿色家乡，建议采取什么措施（2-3点）；3.倡议大家行动起来。其他要求：80词左右；注意使用本单元所学的语言表达和写作要点。Writing1.几年来，由于燃料废物的不当使用和对汽车的需求不断增加，我的家乡出现了严重的空气污染，这引起了我们的注意。第一段：提出问题及原因①燃料废物②不当使用③不断增加的需求④出现了xx问题⑤引起xx的注意fuelwastesinappropriateuseincreasingdemandfor……haswitnessed…(problem)drawone’sattentionMyhometownhaswitnessedsevereairpollutionforseveralyearsduetotheinappropriateusageoffuelwastesandtheincreasingdemandforcars,

whichdrewourattention.

第二段：给出解决建议2.为了解决这个问题，地方当局采取了紧急措施。他们不仅执行了严格的规定，还对滥用燃料的工业工厂进行了罚款。①执行严格规定

②对…进行罚款3.另外，推荐使用新能源的汽车,这样就减少了二氧化碳的排放。①新能源

②用非限制性定语从句翻译句子:carryoutstrictregulationsfinesb.for+n.newcleanenergy

Totackletheproblem,thelocalauthoritiestookurgentsteps.Notonlydidtheycarryoutstrictregulations,buttheyalsofinedindustrialfactoriesforfuelabuses.Besides,carsusingnewcleanenergywerepreferred,whichreducedthecarbondioxideemission.第二段：给出解决建议4.最重要的是，政府呼吁人们参与到减少空气污染源的活动中，比如用共享单车代替私家车等。①号召某人做某事

②参与……

③共享单车callonsb.todosth.

getinvolvedinMostimportantly,thegovernmentcalledonpeopletogetinvolvedinreducingthesourceofairpollution,suchasreplacingprivatecarswithsharedbikes,etc.sharedbike第三段：总结5.让我们不遗余力地为解决家乡的空气污染问题作出贡献。①不遗余力做某事 ②在…上做贡献 sparenoefforttodosth.makecontributionstodoingsth.Let’ssparenoefforttomakecontributionstosolvingtheairpollutionprobleminourhometown!

Withthedevelopmentoftheeconomy,myhometownhaswitnessedsevereairpollutionforseveralyears.Thisreportlooksatthecausesofairpollutionandsomeactionsthatcouldbetakentodealwithit.ThesevereairpollutionalarmsusoftheheavyloadwehaveexertedonEarthbyourinappropriateusageoffuelwastes.However,withthedeepeningofurbanization,morecarsareneeded,whichmadeairpollutionworse.Therefore,urgent

steps

shouldbetakentoalleviatethisissue.

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