人教版高中英语必修五全套教案

英语必修5Unit1GreatscientistsTeachingAimsSkillGoals▲Talkaboutscienceandcontributionsofscientists▲Practiceexpressingwill,hopeandsuggestions▲PracticeexpressingthestagesinexamininganewscientificideaKeynewwordsandexpressionsTheFirstPeriodReadingStepⅠLead-inAskthestudentstothinkofsomegreatinventionsandinventorsinhistory.T:Welcomebacktoschool,everyone.Iguessmostofyouhaveenjoyedyourholiday.MaybeIshouldsayeveryonehasenjoyedascientificlife.WhyBecauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputerS1:Edisoninventedthelightsandthegramophone.S2:ThefirstcomputerwasinventedbyagroupofAmericanscientists.StepⅡWarmingupFirst,asksomequestionsaboutgreatscientists.Second,tellallthestudentstoplaythegamecalledGuessWhoIAm.T:Youknowourlifeiscloselyrelatedtoscienceandscientists.Webenefitalotfromthem.CanyounameoutasmanyscientistsaspossibleT；whatcontributionsdidtheymakeT:Ok,you’veknownalotaboutscientistsandnowlet’splayagamecalledGuessWhoIAm.Iwillshowyousomehintsofascientistonebyone,andyouguessthenameofthescientist.Let’sseewhichgroupwilldothebest.1.IlivedinancientGreek.2.Iwasamathematician.3.Idiscoveredthatobjectsinwaterwereliftedupbyaforcethathelpedthemfloat.Answer:Archimedes1.IlivedinBritain.2.IpublishedTheOriginOfSpecies.3.Icouldexplainhowanimalsandplantsdevelopastheenvironmentchanged.Answer:CharlesDarwin1.IamEnglishman2.I’veworkedinastronomy.3.I’veputforwardatheoryaboutblackholes.Answer；StephenHawking1.IwasaChinese.2.Myinventionhadeightdragonheadsroundthetopwitheightballsintheirmouths.Aroundthebottomwereeightfrogsdirectlyunderadragon’smouth.3.Myinventionwastheearliestinstrumentthattoldpeoplewhereearthquakeshappened.Answer:ZhangHeng1.IwasanAmerican.2.Iinventedelectriclightbulb3.Iinventedthewayofgivingelectricitytoeverybodyinlargecities.Answer:ThomasEdison1.IwasaladyandborninPoland.2.IreceivedtwoNobelprizes.3.Idiscoveredradium.Answer:MarieCurieStepⅢPre-readingGetthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.T:Now,class,pleaselookattheslide.Discussthesequestionswithyourpartners.ThenI’llasksomestudentstoreporttheirwork.Showthefollowingonthescreen:1.Whatdoyouknowaboutinfectiousdiseases2.Whatdoyouknowaboutcholera3.Doyouknowhowtoproveanewideainscientificresearch4.WhatorderwouldyouputtheseveninJustguess.DrawaconclusionthinkofamethodcollectresultsmakeaquestionfindaproblemanalysetheresultsfindsupportingevidenceT:Welldone!Whenwewanttosolvesomeproblems,firstweshouldfindouttheproblem,dosomeresearchonit,proveyourfindings,andthenmakeaconclusion.Thisisascientificandobjectivewayofresearching.Nowlet’sseehowdoctorJohnSnowdidhisresearch.StepⅣReadingT:Nowletsreadthetitleandthepictureandguesswhatthepassagemaytellus.T:TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.Manypeoplediedwithoutknowingthereason.ItwasdoctorJohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’sreadthewholepassagequicklyandfindthenumberbelowandtherelevanthappeningsinthepassage.(Competitionamonggroups)TwotheoriesThefirstsuggestedthat…multipliedintheair;.Thesecondsuggested…absorbedthisdiseaseintotheirbodieswiththeirmeals.In1854AnotheroutbreakhitLondon.500,10Morethan500peoplehaddiedin10days.16,37,38and40ThesenumbersinBroadStreetnearthewaterpumphadmanyofthedeaths20,21;8,920and21BroadStreetand8and9CambridgeStreethadnodeaths….Theydidn’tdrinkthewaterfromtheBroadStreetpump.7Thesefamiliesworkedinthepubat7CambridgeStreet.Theydidn’tdrinkthewaterfromthepump.StepⅤTextanalyzingAskthestudentstoanalyzethetextingroups.T:Pleaselookatthechartonthescreen.ThechartshowsthateachparagraphofthetextexplainsJohnSnow’sstagesinhisresearch.Pleasereadthetextandfindoutthegeneralideaofeachparagraphandmatchthestagewitheachparagraph.Discussitingroups,andthenreportyouranswers.ParagraphStagesGeneralideas1FindaproblemThecausesofcholera2MakeupaquestionThecorrectorpossibletheory3ThinkofamethodCollectdataonwherepeoplewereillanddiedandwheretheygottheirwater4CollectresultsPlotinformationonamaptofindoutwherepeoplediedordidnotdie5AnalysetheresultsAnalysethewatertoseeifthatisthecauseoftheillness6RepeatifnecessaryFindotherevidencestoconfirmhisconclusion7MakeaconclusionThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholeraT:Nowclass.CanyoutellmewhatstyleofthepassagebelongstoT:Herearethreepiecesofwriting.Theybelongtodifferentwritingstyles.Nowreadandfindoutwhatstyleeachpiecebelongsto.Showthechartandthreepiecesofwritingonthescreen.ReportDescriptionCreativewritingFormallanguagewithfewadjectivesVividuseofwordswithsimilesandmetaphorsVividuseoflanguageandmoreinformalstyleNospeechexceptquotationsNospeechexcepttohelpthedescriptionSpeechtoshowfeelings,reactionsetc.NotemotionalEmotionaltodescribeatmosphereEmotionaltodescribefeelingsOnlyonemaincharacterNocharactersMayhaveseveralcharactersFactualNotfactualbutimaginativeImaginativebutcanbebasedonfactStructuralaccordingtoexperimentalmethodNotstructuredBeginning,middle,endPasttenseandpassivev