Topic-2-Protecting-Our-Planet

国际交流英语视听说国际交流英语视听说Unit2ProtectingOurPlanet国际交流英语视听说国际交流英语视听说ThinkandDiscussExploringtheThemeSharingYourIdeasEngagingContent国际交流英语视听说ThinkandDiscussUnit2ProtectingOurPlanetThinkandDiscussQuestionsAnendangeredturtlefloatsoveradeadcoralreef.1.Lookatthephotoandreadthecaption.Whatdoyouimaginethisscenelookedlike50or60yearsago?Whatcausedthechange?2.Whataresomereasonsthatanimalsbecomeextinct?3.Whodoyouthinkshouldberesponsibleforprotectingendangeredspecies?Governments?Companies?Citizens?国际交流英语视听说ExploringtheThemeUnit2ProtectingOurPlanetExploringtheThemeProtectingOurPlanetInternationalUnionforConservationofNature(IUCN):theworld’soldestandlargestglobalenvironmentalorganizationfoundedin1948.Withmorethan1,200memberorganizations,todayitisaleadingauthorityontheenvironmentprotectionandsustainabledevelopment.Almost11,000scientistsandexpertsfromtheworlddovolunteerworkforit.世界自然保护联盟ExploringtheThemeA|Lookatthephotosandreadthecaptions.Thendiscussthequestions.1.Lionsandothertypesofbigcatsaredyingatarapidrate.Whatdoyouthinkisthebiggestthreattotheseanimals?2.Ifaplantspeciesbecomesextinct,whateffectdoesthishaveontheenvironment?ProtectingOurPlanetExploringtheThemeAnAfricanlionrestsnearatreeinBotswana.Overthepast20years,manyAfricanlionshavedied.ProtectingOurPlanetExploringtheThemeAroundtheplanet,humanimpacthasresultedinthedestructionofanimalandplantlife.Nowconservationistsaretryingtosavetheseplantsandanimalsfromextinction.Onceaplantoranimalisextinct,therewillbenolivingmembersofthatspeciesleftontheplanet.ProtectingOurPlanetExploringtheThemeAroundtheplanet,humanimpacthasresultedinthedestructionofanimalandplantlife.Nowconservationistsaretryingtosavetheseplantsandanimalsfromextinction.Onceaplantoranimalisextinct,therewillbenolivingmembersofthatspeciesleftontheplanet.ProtectingOurPlanetExploringtheThemeB|Lookatthechart.Thendiscussthequestions.Eachyear,theInternationalUnionforConservationofNaturestudiesplantsandanimals.Manyofthespeciesstudiedarethreatenedoratriskofdying.Thegraphshowsthepercentageofthreatenedspeciesineachcategory.Thenumbersatthetopofthebarsshowhowmanyspecieswerestudied.ProtectingOurPlanetExploringtheTheme1.Whichgroupisthemostthreatened?Whichistheleast?2.WhichcategoriesofspeciesarecommoninChina?ProtectingOurPlanet国际交流英语视听说SharingYourIdeasUnit2ProtectingOurPlanetSharingYourIdeasLanguageFunctionIntroducingExamplesWeusemanyexpressionstointroduceexamples.Mostofthemareplaceddirectlybeforetheexample.I’vevisitedmanynationalparks,forexample,ShenandoahandYosemite.There’sawidevarietyofanimalsthere—forinstance,bison(美洲野牛)andwolves.AlligatorsthriveinhabitatssuchastheEverglades.TheEvergladesishometomanyspeciesofwildlife,includingtheFloridapanther(黑豹)andtheAmericanalligator.TobecontinuedSharingYourIdeasLanguageFunctionIntroducingExamples(Continued)Afewexpressionsmaybeplacedaftertheexamples,especiallyincasualspeeches.I’vevisitedmanynationalparks—ShenandoahandYosemite,forexample.There’sawidevarietyofanimalsthere—bisonandwolves,forinstance.SharingYourIdeasA|Collaboration.Workwithapartner.Eachstudentshouldchooseadifferentbox.Usetheinformationintheboxestotalkabouteachanimal.Createsentencesthatincludeastatementandexamples.Explaintheinformationtoyourpartner.UseexpressionsforintroducingexamplesfromtheLanguageFunctionbox.SharingYourIdeasTobecontinuedStudentASharingYourIdeasStudentBSharingYourIdeasExampleAnswersStudentA:1.Beepopulationsaredecreasinginmanyareasoftheworld,includingChina,Brazil,NorthAmerica,andEurope,etc.2.Thisdecreaseiscausedbyanumberoffactorssuchasviruses,habitatloss,andclimatechange.3.It’simportanttofollowstrategiestoprotectbees.Wecaneducatethepublicabouttheroleofbees,payfarmerstoprotecttheirhabitat,andusenontoxicchemicals,forinstance.TobecontinuedSharingYourIdeasExampleAnswers(Continued)StudentB:1.Manypeopleareafraidofbats,butbatshelptheenvironmentinimportantways,includingeatinginsectsthatdestroycropsandpollinatingplants.2.Humanactivitiesthreatenbats.Forinstance,machineskillbats,developmentdestroystheirhabitat,andpeoplekillthem.3.Wecantakestepstohelpbatssurvivesuchasbuildingabathouse(similartoabirdhouse)orpassinglawstoprotectbatsandtheirhabitat.SharingYourIdeasB|Brainstorming.Formagroupwithanotherpairofstudents.Lookatthelistofhabitatsinthechart.Withyourgroup,brainstormandcompletethechartwithexamplesofplantsandanimalsthatliveineachplace.Thenbrainstormaboutthedangersthattheplantsandanimalsfaceineachhabitat.SharingYourIdeasHabitatsAnimalsDangersIcepolarbear,seal,walrus,penguinDesertRainforestOceanOther:________hunting,climatechange/globalwarmingcactus,alhagi(骆驼刺),desertfox,desertrat,lizard,snake,camelclimatechange/globalwarming,habitatlossfruittree,palm,bird,boamonkey,orangutan,cattle,habitatloss,huntingcoral,seaweed,whale,seaturtle,dolphin,fishoverfishing,climatechange/globalwarmingsavannahgrass,lily,antelope,lion,zebra,leopard,rhinohabitatloss,huntingSharingYourIdeasC|Discussion.Workwithyourgroup.UsethebrainstorminglistfromexerciseB.Haveagroupdiscussionaboutthedangersthatplantsandanimalsfaceineachhabitat.SharingYourIdeasE