高中英语 unit3第1课时 the first period speaking教案 新人教版选修8

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1、英语高二下人教版新课标选修8Unit3第1课时教案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Enablethestudentstotalkaboutinventionsanddiscoveries

2、.3.Learningabilitygoals学能目标Helpthestudentslearnhowtotalkaboutinventionsanddiscoveries.Teachingimportant&difficultpoints教学重难点Howtotalkaboutinventionsanddiscoveries.Teachingmethods教学方法Discussion.Teachingaids教具准备Acomputerandaprojector.Teachingprocedures&ways教学

3、过程与方式StepⅠWarmingupTalkaboutinventionsanddiscoveries.T:Theimportanceofinventionstosocialprogresscanneverbechanged.Eachinventioncarriestheworldastepforwardandprovidesstimulationforlaterones.Withinventionsturningupallthetime,ourworldisalwaystakingonanewlook.B

4、utdoyouknowwhataninventionis?S1:Thecreationofsomethingnew.S2:Acreation(anewdeviceorprocess)resultingfromstudyandexperimentation.S3:Thecreationofnewthings.…Askthestudentstotalkaboutthepictureswiththeteacher’shelp,andthendiscussthefirsttwoquestions.T:Andwhati

5、sadiscovery?What’sthedifferencebetweenadiscoveryandaninvention?Nowlookatthepicturesonpage1.Workinpairsandtalkaboutthethreedifferentthings,tellingthemapartandgivingreasons.Showthefollowing.1.Whichofthesepicturesshowinventions?Doesanyofthemshowdiscoveries?2.W

6、orkouttworulesthatwillhelpyoudecidewhatisadiscoveryandwhatisaninvention?S1:Ithinkthefirsttwoareinventions,i.e.theamphibiouscarandStevenson’s“Rocket”whilethelastpictureabouttheDNAisakindofdiscovery.Becausethefirsttwoproductswerequitenewtopeopleatthattimeandn

7、oonehadeverseenordesignedsuchkindofvehiclesbeforethoughsomeothershadmadesimilarcarsormachineswhichhadlessfunctionsandadvantagesasthesetwo.IthinkthepictureabouttheDNAisakindofscientificdiscoveryinbiologybecausesuchcellsandtheirstructuredoexistinlivingcreatur

8、esandtheyhavebeenfoundoutbyacertainscientistandaremadeknowntothepublicnowadays.SoIthinkadiscoveryissomethingexistingbeforebutunknownwhileaninventionissomethingunknownandnotexistingbefore. S2:Ithinkthef