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.Why?Becauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputer?S1:Edisoninventedthelightsandthegramophone.S2:ThefirstcomputerwasinventedbyagroupofAmericanscientists.StepⅡWarmingupFirst,asksomequestionsaboutgreatscientists.Second,tellallthestudentstoplaythegamecalledGuessWhoIAm.T:Youknowourlifeiscloselyrelatedtoscienceandscientists.Webenefitalotfromthem.Canyounameoutasmanyscientistsaspossible?T；whatcontributionsdidtheymake?T: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.1Answer:ThomasEdison1.IwasaladyandborninPoland.2.IreceivedtwoNobelprizes.3.Idiscoveredradium.Answer:MarieCurieStepⅢPre-readingGetthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.T:Now,class,pleaselookattheslide.Discussthesequestionswithyourpartners.ThenI’llasksomestudentstoreporttheirwork.Showthefollowingonthescreen:1.Whatdoyouknowaboutinfectiousdiseases?2.Whatdoyouknowaboutcholera?3.Doyouknowhowtoproveanewideainscientificresearch?4.Whatorderwouldyouputthesevenin?Justguess.DrawaconclusionthinkofamethodcollectresultsmakeaquestionfindaproblemanalysetheresultsfindsupportingevidenceT:Welldone!Whenwewanttosolvesomeproblems,firstweshouldfindouttheproblem,dosomeresearchonit,proveyourfindings,andthenmakeaconclusion.Thisisascientificandobjectivewayofresearching.Nowlet’sseehowdoctorJohnSnowdidhisresearch.StepⅣReadingT:Nowletsreadthetitleandthepictureandguesswhatthepassagemaytellus.T:TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.Manypeoplediedwithoutknowingthereason.ItwasdoctorJohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’readsthewholepassagequicklyandfindthenumberbelowandtherelevanthappeningsinthepassage.(Competitionamonggroups)TwotheoriesThefirstsuggestedthat⋯multipliedintheair;.Thesecondsuggested⋯absorbthisdiseaseintotheirbodieswiththeirmeals.In1854AnotheroutbreakhitLondon.500,10Morethan500peoplehaddiedin10days.16,37,38ThesenumbersinBroadStreetnearthewaterpumphadmanyofthedeathsand4020,21;8,920and21BroadStreetand8and9CambridgeStreethadnodeaths⋯.TheydidndrinkthewaterfromtheBroadStreetpump.7Thesefamiliesworkedinthepubat7CambridgeStreet.Theydidn’drinktthewaterfromthepump.StepⅤTextanalyzingAskthestudentstoanalyzethetextingroups.T:Pleaselookatthechartonthescreen.ThechartshowsthateachparagraphofthetextexplainsJohnSnow’sstagesinhisresearch.Pleasereadthetextandfindoutthegeneralideaofeachparagraphandmatchthestagewitheachparagraph.Discussitingroups,andthenreportyouranswers.2ParagraphStagesGeneralideas1FindaproblemThecausesofcholera2MakeupaquestionThecorrectorpossibletheory3ThinkofamethodCollectdataonwherepeoplewereillanddiedandwheretheygottheirwater4CollectresultsPlotinformationonamaptofindoutwherepeoplediedordidnotdie5AnalysetheresultsAnalysethewatertoseeifthatisthecauseoftheillness6RepeatifnecessaryFindotherevidencestoconfirmhisconclusion7MakeaconclusionThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholeraT:Nowclass.Canyoutellmewhatstyleofthepassagebelongsto?T:Herearethreepiecesofwriting.Theybelongtodifferentwritingstyles.Nowreadandfindoutwhatstyleeachpiecebelongsto.Showthechartandthreepiecesofwritingonthescreen.ReportDescriptionCreativewritingFormallanguagewithfewVividuseofwordswithVividuseoflanguageandadjectivessimilesandmetaphorsmoreinformalstyleNospeechexceptNospeechexcepttohelptheSpeechtoshowfeelings,quotationsdescriptionreactionsetc.NotemotionalEmotionaltodescribeEmotionaltodescribefeelingsatmosphereOnlyonemaincharacterNocharactersMayhaveseveralcharactersFactualNotfactualbutimaginativeImaginativebutcanbebasedonfactStructuralaccordingtoNotstructuredBeginning,middle,endexperimentalmethodPasttenseandp