安徽省滁州二中高二英语《Unit21HumanBiologyTheFourthPeriodLesson3》教案1.TeachinggoalsEnablethestudentstosequencetheinformation.Helpthestudentslearnhowtosequencetheinformation.2.Teachingimportant&difficultpointsLearnhowtosequencetheinformation.3.TeachingmethodsIndividual,pairorgroupwork,discussionandcooperativelearning4.TeachingaidsAprojector,someslidesandhandoutsStepⅠRevisionandlead-inCheckthehomework.T:Inthelastperiod,wehavelearnedhowtoaskforadviceandgivesb.advice.Andyouwereaskedtomakeuptwodialogues.Nowwearegoingtocheckthesetwodialoguestogether.Asksomepairstomakeuptheirdialoguesinthefrontoftheclassroom.T:Somuchforthese.Inthisperiod,wewillreadanarticleaboutepidemics.Youknowanepidemicisakindofdiseasespreadingveryquicklyamongmanypeopleinthesameplaceforatime.Whichofthesediseasesbelowcanbeepidemics?Theteacherwillchecktheanswerswiththewholeclass.StepⅡReadingTask1ReadingstrategiesInthispart,theteacherguidesstudentstopayparticularattentiontothereadingstrategies.T:Next,onereadingstrategywillbeintroduced,whichisconsideredasoneofthebasicreadingskillsTask2SynonymsTask2helpsstudentstocomprehendthemeaningsofthewordsfromthecontextandmatchthemwithcorrectdefinitions—hereweusesynonyms.T:Synonymsrefertowordsorphraseswiththesamemeaningasanother,inthesamelanguage,thoughperhapswithadifferentstyle,ortechnicaluse.Forexample,“effects”and“results”inthispassagearesynonyms.Let’slookatEx.6onpage39anddothematchingexercise.Answers:T:Pleaseturntopage84anddoEx.2andEx.4onpage85.Checktheanswerswiththewholeclass.StepⅢSpeakingThispartisdesignedforstudentstopracticetheirspokenEnglishwithatopiccloselyrelatedtoepidemics.T:Formanyyearspeoplesufferedfromallkindsofdiseasesandfoughtagainstthem.Wehavemadegreatprogressinthisfield,buttherearestillsomediseasesthatwearenotsurehowtotreatthem.Scientistsanddoctorsaretryingtheirbesttostudythesediseases,andoneday,maybethesediseaseswillbecured.Whichofthesethingsdoyouthinkwillhappenwithinthenext25years?Whichwillnothappen?Why?Askstudentstousetheirimaginationandthinkofthesepossibilitiesandthenencouragethemtohaveadiscussiononthetopicandexpresstheiropinions.Havestudentsformsmallgroupsorpairstoexchangetheiropinionsandmakesureeveryonehasachancetospeak.Thepurposeofthisistoattractstudents’interestandinspiretheirimagination.StepⅣPracticeT:Pleaseturntopage86,thereisanarticleabouthealthandthemythofidealbodyshapes.YouaregivenfourminutestoreadthisarticletogetthemainideaofthisarticleAfterthestudentshavefinishedreadingthewholearticle,theteacherasksthemwhattheythinkthemainideaisandgetssomestudentstoreporttheirresponsesbacktothewholeclass.Checktheanswerswiththeclass.StepⅤHomeworkFinishEx.7onpage39andEx.3onpage84.Readingthepassageafterclass.