2019-2020年高一英语下册 Unit16 Scientists at work(第四课时)教案 大纲人教版第一册

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1、2019-2020年高一英语下册Unit16Scientistsatwork(第四课时)教案大纲人教版第一册TeachingAims:1.Dosomereadingandknowdifferentopinionsaboutanimalexperiments.2.Dosomewritingandlearntowriteanessay.3.Reviewtheexpressionsandwordformationlearntinthisunit.TeachingImportantPoints:1.Getthestudentstounderstandthegeneral

2、ideaofthepassage.2.Trainthestudentstowriteanessay.TeachingDifficultPoints:1.Howtoimprovethestudents'readingability.2.Howtowriteanessay.TeachingMethods:1.Fastreadingtogothroughthereadingmaterial.2.Discussiontofinishthewritingtask.3.Individual,pairorgroupworktomakeeverystudentworkincla

3、ss.TeachingAids:1.aslideprojectorandaputerformultimediause2.ataperecorderTeachingProcedures:StepⅠ.GreetingsGreetthewholeclassasusual.StepⅡ.ResionT:Inthelastperiodwelearntsomewords,suchas,charge,cross,tie….Fromthesewords,welearnedthatoftenacertainwordcanbelongtomorethanoneclassandperf

4、ormdifferentfunctions,soithasmorethanonemeaningindifferentsentences.Haveyourememberedthesewords?Let'sreviewthem.Pleaselookatthewordsonthescreen.(Showthewordsonthescreen.)GivemetheirmeaningsinChinese.charge　cross　sharp　tear　tie　conduct(Teacheraskssomestudentstodothisinoral.Meanwhile,t

5、eachertypesthemeaningsonthescreen.)chargevt.①要价；②充电vi.冲击crossvt.穿过；渡过n.①十字形记号；②杂交；杂种sharpadj.①锋利的；②敏锐的；③明显的；清晰的tearvt.撕；扯n.眼泪tievt.系；拴n.①领带；②平局conductvt.①带领；②传导(热、电)；③指挥T:Welldone.Nowmakeatleastonesentencewitheachmeaningofthewords.Whocangiveusthefirstexample?S1:…T:(Teacherasksonestud

6、enttomakeonesentence.Meanwhile,teachertypesthesentencesonthescreenandunderlinesthewords.Ifnecessary,teachertranslatessomeofthemintoChinese.Sentences:1.Howmuchdoyouchargeforthebook?2.Thechildrenchargedintotheplayground.3.Isyourcellphonecharged?4.Whenyoucrossthestreet,pleasebecareful.5

7、.Hemarkedthewronglyspeltwordwithacross.6.Thetasteisacrossbetweencoffeeandchocolate.7.Theknifeissharpenoughtocutthemeat.8.Heisasharpchild.9.Thephotoissharp.10.Shetoreaholeinherdresswhensheclimbedoverthewall.11.Thelittlegirlwasintearsbecauseshe'dlosthermother.12.Thetiematchesthesuit.13

8、.Thegameende