九年级英语下册 unit 2 dna整单元教案 冀教版

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1、Unit2DNA Lesson9:What’sa“Horkey”?TeachingContent:Masterywordsandexpressions:helpful,atthesametimeOralwordsandexpressions:DNA,combine,juicy,mule,donkeyTeachingAims:1.      Knowmoreaboutcloning.2.      Howtocombinetwodifferentthings.TeachingImportantPoints:1.      Talkabouttheabilityandinabilit

2、y.2.      Theuseofcoordinatingconjunctions.3.      Combinetwodifferentthings.TeachingDifficultPoints:Talkabouttheabilityandinability.TeachingPreparation:picturesTeachingAids:flashcards,audiotape,picturesTypeoflesson:newlessonTeachingProcedure:Step1.Leadintheclassbyshowingsomepicturesaboutcomb

3、iningtothestudents.Theymaybeaboutdifferentthings,suchasfood,fruit,animalsandotherthings.Step2.Listentothetapeandanswerthefollowingquestions:1.      CanDannycombineadonutandapizza?2.      Whowantstocombineacowandachick?Letthestudentsanswerthequestionswiththehelpofthepictures.Finishthetaskinora

4、linclass.Step3.Readthetextandfillintheblankswiththecorrectwords.1.      Wecancombinetwodifferent______ortwodifferent______.2.      Brianwouldcombine______and______.Lookthroughthewholetextquicklyandanswerthequestionsinclassinoral.Step4.Encouragethestudentsfindthenewwordsinthislesson.Givemoreex

5、amplesandletthestudentsunderstandmoreaboutthewords.Iwouldcombineadonutandapizza.ThenIcouldhavebreakfastandlunchtogether.ThenIwouldhavelittle,juicybananas.Doyouknowwhatamuleis?Ithasahorseasmotherandadonkeyasafather.Step5.Readthetextagainandencouragethemtofindmorequestionsaboutthetext.Onestuden

6、tstandsupandasksaquestion.Theotherswhowanttoanswercanstandupandansweritasquicklyashecan.Forexample:1.      Whatwouldyoucombine?2.      Whataboutcombiningaduckandadeer?3.      Canwecombineapplesandbananas?Step6.Cometo“PROJECT”.Finishthetaskingroupsofthreeorfourstudents.Thinkaboutsomethingthati

7、scombinedbytwodifferentthings.Eachofthegroupwriteshisanswerdownandshowsittoothers.Thenchoosethemostmeaningfulonetostudy.Whatwillyourgroupcombine?Whatifyoucombinethetwothings?Whatcanitdoforus?What’sitsadvantage?Talkaboutthequestionsabove,thens