九年级英语下册 unit2 dna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.      T

2、alkabouttheabilityandinability.2.      Theuseofcoordinatingconjunctions.3.      Combinetwodifferentthings.TeachingDifficultPoints:Talkabouttheabilityandinability.TeachingPreparation:picturesTeachingAids:flashcards,audiotape,picturesTypeoflesson:newlessonTeachingPr

3、ocedure:Step1.Leadintheclassbyshowingsomepicturesaboutcombiningtothestudents.Theymaybeaboutdifferentthings,suchasfood,fruit,animalsandotherthings.Step2.Listentothetapeandanswerthefollowingquestions:1.      CanDannycombineadonutandapizza?2.      Whowantstocombineac

4、owandachick?Letthestudentsanswerthequestionswiththehelpofthepictures.Finishthetaskinoralinclass.Step3.Readthetextandfillintheblankswiththecorrectwords.1.      Wecancombinetwodifferent______ortwodifferent______.2.      Brianwouldcombine______and______.Lookthroughth

5、ewholetextquicklyandanswerthequestionsinclassinoral.Step4.Encouragethestudentsfindthenewwordsinthislesson.Givemoreexamplesandletthestudentsunderstandmoreaboutthewords.Iwouldcombineadonutandapizza.ThenIcouldhavebreakfastandlunchtogether.ThenIwouldhavelittle,juicyba

6、nanas.Doyouknowwhatamuleis?Ithasahorseasmotherandadonkeyasafather.Step5.Readthetextagainandencouragethemtofindmorequestionsaboutthetext.Onestudentstandsupandasksaquestion.Theotherswhowanttoanswercanstandupandansweritasquicklyashecan.Forexample:1.      Whatwouldyou

7、combine?2.      Whataboutcombiningaduckandadeer?3.      Canwecombineapplesandbananas?Step6.Cometo“PROJECT”.Finishthetaskingroupsofthreeorfourstudents.Thinkaboutsomethingthatiscombinedbytwodifferentthings.Eachofthegroupwriteshisanswerdownandshowsittoothers.Thenchoo

8、sethemostmeaningfulonetostudy.Whatwillyourgroupcombine?Whatifyoucombinethetwothings?Whatcanitdoforus?What’sitsadvantage?Talkaboutthequestionsabove,thens