Unit15We’retryingtosavethemanateesI.TeachingAimsandDemands1.Knowledgeobjects(1)KeyvocabularyPlanet,recycle,shower,paper,towels,napkins,turnoff(2)TargetlangrageWereallyshouldn’tusepapernapkins,youknow.Iknow.Istoppedusingthemlastyear.2.Abilityobjects(1)Trainstudent’sspeakingandlisteningability.(2)Trainstudent’sabilitytounderstandthetargetlanguageinspokenconversation.(3)Trainstudent’sabilitytousethetargetlanguage.3.MoralobjectWeshouldbeawareoftheimportanceofprotectingtheenvironment.II.TeachingKeyPoints:keyvocabularyandtargetlanguage.Ⅲ.TeachingDifficultPoints1.Howtotrainstudent’sspeakingandlisteningability.2.Howtousethetargetlanguage.Ⅳ.TeachingMethods1.Listeningmethods.2.Pairworktomakeeverystudentworkinclass.Ⅴ.TeachingaidsMulti–mediaTeachingDesign教学步骤建议和说明Step1RevisionThisstepistorevisetheknowledgeofthelastperiodandleadintothetopicandintroducethenewword.Letthemlookatthepicturesabouttheanimalskilledby用触目惊心的图片和身边的小事引入话题people.Tasks:Afterseeingthesepictures.Whatdoyoufeel?Whatshouldwedothem?Ssmayanswer:Weshouldsavetheendangeredanimals.ThenTshowsthepictureofbottleandtrash-can.T:Whichshouldweputtheemptybottlein?Why?Forrecyclingortoprotecttheenvironment.Ifnot.Whatwillhappen?Nextgivesomepicturesaboutthepollutionontheearth.Tsays:Peopleandanimalscan’tliveortheplanet.Sowhatcanwedotosavetheplanet?Getthemtodiscuss.Step21aPresentationStep31bPairwork(practice)Thisactivityprovidesguidedoralpracticeusingthetargetlanguage.T:Ithinkturningoffthelightswhenyouleavetheroomiseasy,becauseeveryonecandoitwithoutanyefforts.Doyouagree?S1:Iagree,butit’shardtostopridingincars,becausemanypeople’shomesarefarfromtheschoolsandworkplaces.Iftheydon’trideincar,theywillbelate.Givethemodal,thengetthemtopairwork.Firstonestudentmakesastatement.Thentheotherstudentagreesordisagreeswithitandgiveshim/herownopinions.充分的信息输入为下面的输出准备通过Pairwork落实目标语在听力前提一些问题降低听力难度，也使听地有的效果。Step42a.2bListeningThisactivityprovideslisteningpracticewiththetargetlanguage.T:NowyouwillhearJackandJuliatalkaboutwhattheyaredoingtohelpsavetheplanet.Letthemreadthestatementstheymaytalkabout.T:Amongthesestatements.Whatthingsdoyoualwaysdo?Whatthingsareyoudoingnow?Whatthingswillyoudointhefuture?Whatthingswouldyouneverdo?WhataboutJulia?Let’slistenandcheck.Playtherecorderforthisactivityforthestudents.CheekthethingsthatJackandJuliatalkabout.PlaytherecorderthesecondtimetocheekthethingsthatJuliaisdoingnow.Thethingsshewilldointhefutureandthethingsshewouldneverdo.Thencorrecttheanswers.Step52c.practiceTheactivityprovidesguidedoralpracticeusingthetargetlanguage.T:Wereallyshouldstopusingpapernapkins,youknow.S1:IknowIstoppedusingthemlastyear.Iusehandkerchiefinstead.S2:It’snotdifficult.Iwilldoitinthefuture.Afterthemodal,havethestudentsworkinpairs.Inviteoneortwopairstosaytheirconversationstotheclass.Step6Task:Interviewtheclassmates.Whatthingstheyalwaysdotosaveourplanet?由单句到小对话再到长篇，由浅及深，符合学生认知规律。最后的LanguageFocus不能省略Whatthingstheywindotosaveourplanet?Whatthingstheywouldneverdo?Why?Interviewthenreportlikethis:Everyonehasdonesomethingtosaveourplanet.…hasstoppedusingpaperanapkins,heuseshandkerchiefinstead.Andhewilltakehisownbagswhenshopping,buthethinksitishardtostopridingincars,becausehishomeisfarfromtheschool.Step7SummaryGivesomeexercisestodoStep8HomeworkHowcanwesaveelectricity/trees/animals/gas/water?BlackboarddesignUnit15We’retryingtosavethemanatees!A:Wereallyshouldn’tusepapernapkins,youknow.B:Iknow.Istoppedusingthemlastyear.
