高二英语《Unit 21 Human Biology The Fourth Period Lesson3》教案.doc

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1、安徽省滁州二中高二英语《Unit21HumanBiologyTheFourthPeriodLesson3》教案1.TeachinggoalsEnablethestudentstosequencetheinformation.Helpthestudentslearnhowtosequencetheinformation.2.Teachingimportant&difficultpointsLearnhowtosequencetheinformation.3.TeachingmethodsIndividual,pairorgro

2、upwork,discussionandcooperativelearning4.TeachingaidsAprojector,someslidesandhandoutsStepⅠRevisionandlead-inCheckthehomework.T:Inthelastperiod,wehavelearnedhowtoaskforadviceandgivesb.advice.Andyouwereaskedtomakeuptwodialogues.Nowwearegoingtocheckthesetwodialoguesto

3、gether.Asksomepairstomakeuptheirdialoguesinthefrontoftheclassroom.T:Somuchforthese.Inthisperiod,wewillreadanarticleaboutepidemics.Youknowanepidemicisakindofdiseasespreadingveryquicklyamongmanypeopleinthesameplaceforatime.Whichofthesediseasesbelowcanbeepidemics?Thet

4、eacherwillchecktheanswerswiththewholeclass.StepⅡReadingTask1ReadingstrategiesInthispart,theteacherguidesstudentstopayparticularattentiontothereadingstrategies.T:Next,onereadingstrategywillbeintroduced,whichisconsideredasoneofthebasicreadingskillsTask2SynonymsTask2h

5、elpsstudentstocomprehendthemeaningsofthewordsfromthecontextandmatchthemwithcorrectdefinitions—hereweusesynonyms.T:Synonymsrefertowordsorphraseswiththesamemeaningasanother,inthesamelanguage,thoughperhapswithadifferentstyle,ortechnicaluse.Forexample,“effects”and“resu

6、lts”inthispassagearesynonyms.Let’slookatEx.6onpage39anddothematchingexercise.Answers:T:Pleaseturntopage84anddoEx.2andEx.4onpage85.Checktheanswerswiththewholeclass.StepⅢSpeakingThispartisdesignedforstudentstopracticetheirspokenEnglishwithatopiccloselyrelatedtoepidem

7、ics.T:Formanyyearspeoplesufferedfromallkindsofdiseasesandfoughtagainstthem.Wehavemadegreatprogressinthisfield,buttherearestillsomediseasesthatwearenotsurehowtotreatthem.Scientistsanddoctorsaretryingtheirbesttostudythesediseases,andoneday,maybethesediseaseswillbecur

8、ed.Whichofthesethingsdoyouthinkwillhappenwithinthenext25years?Whichwillnothappen?Why?Askstudentstousetheirimaginationandthinkofthesepossibilities