高中英语牛津版必修五Unit 2 The Environment-Word powerVIP专享VIP免费

Unit2TheEnvironment-WordpowerTeachingaims:1.Enlargestudents’vocabularyabouttheenvironmentprotection.2.Practicestudents’readingandspeakingability.3.Toknowsomethingabouthowtoprotecttheenvironment.Difficult&Importantpoints:1.Tolearnhowtoformnewwordsrelatedto“eco”,“bio”and“astro”.Learntheirmeanings.2.Enlargestudents’vocabulary.Teachingmethods:Task-basedteaching,Groupcompetition.Teachingaids:Aprojector.Acomputer.Procedure:StepI:GreetingsGreetthewholeclassasusual.StepII:Lead-in(readabrochure)Readthisbrochureaboutanew,environmentallyfriendlyhotelwhichisopening•Ecotouristsarepeoplewhovisitanareaanddonotharmordamagetheecosystem.Theyareinterestedinenvironmentalprotection.Ifyouarethiskindoftourist,youwillloveEcoville.Weusenatural,safeenergyfromthesun,solarenergy,insteadofdiggingupearthtofindfossilfuels.Nothinginourhotelcausespollution.Weevenuseeco-friendly用心爱心专心washingpowdertowashyoursheets.Don’thaveyournextholidayinacityfulloffactoriesthatcreateharmfulwaste.CometoEcoville,whereyouandEarthwillbesafetogether.Now,pleasetrytofindasmanywordsaboutenvironmentprotectionForexample:ecotourists,ecosystem,ecoville,eco-friendly,ecovilleCanyouguessthemeaningsofallthesewordswith“eco”.Theprefix‘eco-’comesfromGreekandmeans‘earth’.Itisusedinmanywordstotalkabouttheenvironment,suchas‘ecology’and‘eco-tourism’.Writesixwordsthatincludetheprefix‘eco-’.Useyourdictionaryifyouneedto.ecofriendly,eco-travel,eco-trip,ecotourists,ecoville,ecosystemNowlet’sdomorepractice.Theprefix‘bio-’means‘life’.Writesixwordsthatincludetheprefix‘bio-’.Useyourdictionaryifyouneedto.biologybiochemistbiologistbiophysicsbiospherebiotechnologyTheprefix‘astro-’means‘star’.Writesixwordsthatincludetheprefix‘astro-’.Useyourdictionaryifyouneedto.astronautastronomicalastrologyastrophysicsastronomerastrologerStepIII:Learnsomewordsandphrasesaboutthingsthatarebadfortheenvironment.Whenwetalkaboutthingsthatarebadfortheenvironment,manyofthewordsthatweusearecompoundnouns.Usethecompoundnounsintheboxtolabelthepictures.Clear-cutloggingopencastminingslashandburnfarmingozonelayeracidrainglobalwarming用心爱心专心StepIV:competitionWehavelearnedalotofwordsandphrasesaboutenvironmentalpreservation.LookatthefollowingpicturesandtrytouseasmanywordsandexpressionsonenvironmentasyoucanIwilldivideyouintotwogroups.Thegroupwhichhasmoreideaswillbethewinner.Firstofall,I’llgiveyouanexample.Lookatthepictureonthescreen.Thenthephrasesaboutit.Example:waterpollution.•putwastewaterintorivers.•killseacreatures•fishdiebypollution•notenoughfreshwatertodrink•recyclewastewater•turnoffthetapwhencleaningyourteeth.•savewaterThenlookatthesecondpicture,let’shaveagroupcompetition.StepV:Writeanadvertisement.HelpthemanagementofEcovillawriteanadvertisement.Fillintheblankswiththewordsfromthepreviouspage.•Theconceptbehindourhotelis(1)______________protection.Itissafeandfunforthewholefamily,evenMotherEarth.•EcovillewastheideaofLiZheng,ascientist.Hewasworriedaboutglobalwarmingandtheholeinthe(2)______________.Hewantedachancetohaveaholidayinbeautifulpartoftheworld,butnottocausedamagetothe(3)_____________ofthearea.Onenighthesawatelevisionshowabouta用心爱心专心villageinAfrica.Thewholevillageuses(4)____________fromthesun.No(5)______________areburntinpeople’shomes.Thereisnoharmfulwastefromthefactoriesbecauseitischangedbackintofuelandusedtopow...