安徽省滁州市第二中学高中英语 Unit22 Environmental Protection The Fifth Period Lesson 2 Endangered Species (II)教案 北师大版选修8VIP免费

安徽省滁州市第二中学高中英语Unit22EnvironmentalProtectionTheFifthPeriodLesson2EndangeredSpecies(II)教案北师大版选修8Teachinggoals教学目标1.TargetLanguage目标语言GivingopinionsandagreeingIagree.Iabsolutelyagree.AndIthinkbecauseofthat,weshould…GivingopinionsandreasonsIthinkweshould…That’swhy…Personally,Ithink…sothat…Don’tyouthink…?Ithinkweneedto…basicallyto…Whydon’twe…?Themainreasonisto…Governmentsshould…because…2.Abilitygoals能力目标Enablestudentstogiveopinions,agreeingandreasons.3.Learningabilitygoals学能目标Bypracticingenablestudentstogiveopinionsandreasons.Teachingimportantpoints教学重点HowtogiveopinionsandpersuadeothersTeachingdifficultpoints教学难点HowtopersuadeotherstoacceptyouropinionsTeachingmethods教学方法Listening,speaking,explainingTeachingaids教具准备Themulti-computerTeachingprocedures&ways过程与方式StepIRevisionCheckthehomework.AndaskseveralstudentstorecitethepassageinEx8onPage9.StepIIBackgroundinformationThespeakingstrategiesinthisunitareusingphotosindiscussions.Itisvitaltoprovideinformationbeforestartingtospeak.Onlyafterstudentsgetenoughinputcantheygivetheiropinionsandreasons.Ifpossible,playsomevideoclipsaboutAsianelephantsandorangutanssothatstudentsmayhaveagoodknowledgeoftheendangeredanimals.ShowthefollowingonthePowerPointorprintthemashandout.ASIANELEPHANTManyexpertsbelievethereisnownofuturefortheAsianelephantoutsideprotectedareas.WiththepossibleexceptionofpartsofIndia,elephantpopulationshavedeclinedsubstantiallyinallcountriesduringthepastfewdecades.EveninIndia,thespecieshaslostgroundinthenortheast;whileinthesouthpoachingforivorythreatensthegeneticviabilityofthepopulation.Historically,themajorcausesforthedeclineoftheAsianelephanthavebeencapturefordomesticationandlossofhabitatinthefaceoftheexpandinghumanpopulation.Eventoday,unsustainablecapture(oftenillegal)persistsinsomecountries,whilehumanexpansioncontinuestoreduceandfragmenttheforesthabitat,constrictingelephantpopulationstosmallnumberswhichcannotsurviveinthelong-term.AsianelephantsarenowextinctinWestAsia,Java,andmostofChina,buttheystilloccurinisolatedpopulationsscatteredacross13Asiancountries.However,mostofthesepopulationsarethreatenedbyhabitatloss,poaching,andconflictwithhumans.Habitatlossandhuman–elephantconflict,whichareoftenintimatelylinked,arethebiggestthreats.ThepopulationofAsianelephantstodaystandsatbetween25,600and32,750inthewildwithanadditional15,000incaptivity.TheAsianelephantislistedasendangeredonIUCN'sRedListofThreatenedAnimalsandisalsoonAppendixIofCITES,meaningthatinternationalcommercialtradeisnotallowed.ORANGUTANEverythingorangutansneedisinthetrees.Theirfavoritefoodisfruit,especiallyfigs,andtheyseemtoknowwhatfruitisripeinwhatpartoftheforestatwhattime.Theywilloccasionallyeatinsectsorsmallmammals,buttendtobeherbivoresmostofthetime.Theygettheirwaterfromwhererainfallcollectsonleavesandintheholesoftrees.Orangutansevensleepinthetrees.Theybuildanewplatformnestfromleavesandbrancheseachnightandsleep40to60feetoffoftheground!StepIIISpeakingDealwithEx9&10.Askstudentstoreadtheinformationabouttheendangeredanimals.ThenusetheKeyWordsinEx10toplanaprogrammetoprotecttheaboveendangeredanimals.DealwithEx11.Askstudentstoworkinpairs.DiscusstheproblemsandsolutionsusingtheexpressionsfromtheFunction.Theyshouldagreeonatleasttwoimportantthings.Remindstudentstheyshouldusepatternstogiveopinions,agreeing...