翼教版九年级英语上册Lesson 29课件

Lesson29:DNA—TheStoryofYou I.Learningaims:Thenewwords:DNA,blueprint,general,complex,twin,repeat,pattern,identify,related,grandson,granddaughter,instructionII.Trainthespeakingandwritingabilities. NewWordsDNAblueprintgeneralcomplextwinrepeatpatternidentifyrelatedgrandsongranddaughterinstruction Doyouandthestudentsnearyoulookthesame?Whatisthesame?Warmingup ZhangLiangyinglookslikehermother. Identicaltwinsaretwochildrenthatgrewfromthesameegg.TheyhaveidenticalDNA.They’reclones! Doyouandthestudentsnearyoulookthesame?Whatisthesame?Arethereanydifferencesbetweenyouandthem?Whatcanscientistsdowith“DNA”?FreeTalk ListeningTaskGenerallyspeaking,a________isadrawing.______foridenticaltwins,eachlivingthinghasitsownuniqueDNA.blueprintExcept WheredoesyourDNAcomefrom?Yourparents.IsyourDNAineverypartofyourbody?Yes,itis.ReadingTask Doyouandthestudentsnearyoulookthesame?Aretheredifferencesbetweenyouandthem?Whatcanscientistsdowith“DNA”?ListenandThink 1.Butbuildingalivingthingisfarmorecomplexthanbuildingahouse.Languagepoints比较级前可以用much,even,still,far,abit,alittle,alot等词加以修饰。Thisunitismucheasierthanthatone.这个单元比那个单元容易得多。 2.own的用法1）adj.自己的（用在所有格后，加强语气）Nowaskthesamequestionsaboutyourownteachers.Shemakesallherownclothes.2)vt.有，拥有Whoownsthebike? 3.exceptfor除……以外，只是Heisagoodmanexceptforhottemper.Yourarticleisquitegoodexceptforseveralspellingmistakes. 4.notonly...butalso...不但……而且……连接两个相同的成分，也可以连接两个分句。当接两个主语时，谓语动词和后面主语保持一致。e.g.HelikesnotonlyEnglishbutalsomath.NotonlyyoubutalsoIamateacher.5.relateto涉及；有关e.g.ThestoryrelatedtotheSecondWorldWar.IhaveabookrelatingtotheAutumnHarvestUprising. Studentsdiscussthesewiththeirpartners,thensayoutinclass.Let’sdoit Exercises 1.Everyonewroteagoodpoem_______her.(除了)2._________Tom,fiveotherboysalsopassedtheexam.(除了…还有)3.____________identicaltwins,(除……之外)eachlivingthinghasitsownuniqueDNA.exceptBesidesExceptfor 4.Allthequestionsareeasy_______thelastone.(除了)5.Therearemanyothers_________me.(除了……还有)6.WeallwenttoBeijing________Tom,whohasbeentherebefore.exceptbesidesexcept 1.Ican_______swim_________skate.(不但……而且……)2.它不仅能说汉语而且还会说英语。Hecanspeak____________________________.3.NotonlyyoubutalsoI____(be)ateacher.4.NotonlyIbutalsohe_____(know)theanswertothequestion.amnotonlyChinesebutalsoEnglishnotonlybutalsoknows 5.NeithertheynorI______goodatsinging.A.areB.beC.isD.am6.BothmyfatherandI______inthecountry.A.enjoyslivingB.enjoytoliveC.enjoystoliveD.enjoylivingDD 1.WriteapassageaboutDNA,trytotellwhatitis,whereitisfrom,whatthingsyoushowyourparents’DNA?2.PreviewLesson30.