高二英语（选修八）unit 3 课时教案 the first period speaking

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1、TheFirstPeriodSpeakingTeachinggoals教学目标1.Targetlanguage目标语言：重点词汇和短语discovery,application,evaluate,presentation,alternative,messenger,gettogether,makeacasefor,addup2.Abilitygoals能力目标Enablethestudentstotalkaboutinformationanddifferent.3.Learningabilitygoals学能目标Helpthestudentslearnhowtotalk

2、aboutinventionsanddiscoveries.Teachingimportant&difficultpoints教学重难点Howtotalkaboutinventionsanddiscoveries.Teachingmethods教学方法Discussion.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教学过程与方法StepIWarmingupTalkaboutinventionsanddiscoveries.T:Theimportanceofinventionstosocia

3、lprogresscanneverbechanged.Enchinventioncarriestheworldastepforwardandprovidesstimulationforlaterones.Whitinventionsturningupallthetime,ourworldisalwaystakingonanewlook.Butdoyouknowwhataninventionis?S1:ThecreationofsomethingnewS2:Acreation(anewdeviceorprocess)resultingfromstudyandexperim

4、entation.S3:Thecreationofnewthings.…Askthestudentstotalkaboutthepictureswiththeteacher’shelp,andthendiscussthefirsttwoquestions.T:Andwhatisadiscovery?What’sthedifferencebetweenadiscoveryandaninvention?Nowlookatthepicturesonpage1.Workinpairsandtalkaboutthethreedifferentthings,tellingthema

5、partandgivingreasons.单位：湖北省荆门市　姓名：李国　E_mail：liguo619@sina.comShowthefollowing.1.Whichothesepicturesshowinventions?Doesanyofthemshowdiscoveries?2.Workouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?S1:Ithinkthefirsttwoareinventions,i.e.theamphibiouscarandStevenson’s“R

6、ocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimeandnoonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadvantagesasthesetwo.IthinkthepictureabouttheDNAisakindo

7、fscientificdiscoveryinbiologybecausesuchcellsandtheirstructuredoexistinlivingcreaturesandtheyhavebeenfoundoutbyacertainscientistandaremadeknowntothepublicnowadays.SoIthinkadiscoveryissomethingexistingbeforebutunknownwhileaninventionissomethingunknownandnotexistingbefore.S