高中英语-Unit 1 Great scientists教学课件设计

JohnSnowDefeats“KingCholera”(ReadingandThinking)

Book5Unit1GreatScientistsLearningobjectives：1.ToknowhowJohnSnowdefeated“KingCholera”.2.Todrawamindmaptofigureouthowtodoscientificresearchtodefeatcholera.

3.Tounderstandthequestioningmindandstayawayfrominfectiousdiseases.7stages

inrightorderDoyouknowhowtoproveanewideainscientificresearch?drawaconclusionthinkofamethodcollectdatafindaproblemFindsupportingevidenceaskaquestionanalyzetheresultsfindaproblemaskaquestionthinkofamethodcollectdataanalyzetheresultsFindsupportingevidencedrawaconclusionPre-reading

Lookatthepicture,thetitleandthemap,predictwhatthecontentofthetextis.

JohnSnowDefeats“KingCholera”ItisaboutJohnSnowandhow

hedefeats“KingCholera”.WhatisKingCholera?JohnSnowbecamefrustratedbecausenooneknewhowtopreventortreatcholera.Finally,herosetofameandevenattendedtoQueenVictoria.However,heneverlosthisdesiretodestroycholera.WhowasJohnSnow?

CholerausedtobeoneofthemostfeareddiseaseintheworlduntilJohnSnowshowedhowitcouldbeovercome.Itevencancausedeath.readingskill--skimming

readpara.1withskimmingreadingPutyourselfin1854,andreadthetextcarefullytofigureouthowJohnSnowdidthescientificresearchtodefeatcholera(togetthekeywordstodescribethesevenstages).

Tips:1.

themainideaofeachparagraphandthestructureofthewholepassage.2.getthekeywordstodescribethesevenstages.SkimmingreadingPost-skimmingreading:GroupdiscussionandSharing

Discusswithothersandthenpresent:

1.

themainideaofeachparagraphandthestructureofthewholepassage.2.thekeywordstodescribethesevenstages.

*3.Presentinggroupsaresupposedtoexplorethestagesfurtherbydesigningquestions.orderstageinformation1Findaproblem2Askaquestion3Thinkofamethod4Collectdata5Analysetheresults6Findsupportingevidence7DrawaconclusiontwocontradictorytheoriesIntwoparticularstreetsthecholeraoutbreakwassosevere....findoutwhymarkonamaptheexactplaceswhere...housenumber16,37,38,and40;20and21Broadstreet;8and9CambridgeStreetThereweremultipledeathsnearthewaterpump;somehouseholdshadhadnodeaths,whohadnotdrunk..fromthepump.Hesuspectedthat...Awomanandherdaughterhaddied;...likethewater...haditdeliveredto...Thepumpwatercarriedcholeragerms.JohnSnow'sstagesofscientificresearch

JohnSnowDefeats“KingCholera”Para.1Para.2Para.3Para.4Para.5JohnSnowwantedtodestroycholera.Hegotinterestedintwotheoriesandbegantodosomeresearch.Hefoundoutthatdirtywaterwastoblame.Pollutedwatercarriedthedisease.Hiscontribution/influence.Mainidea&Structure

Itwasbelievedthaatcholerawascausedbybad_______orgermsin________.Snow_______theplaceswherethepeoplewho____hadlived.Manydeathsoccurrednearthe____________inBroadStreet.Somepeople_____drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter____.Thepumpwatercarried_________.The_______ofthepumpwasremoved.airfoodorwaterwaterpumpcholeragermshandlemarkeddiedmovingaway

flowchartofthepassagehadnotexistingtheoriesmethodevidenceconclusioninfluenceJohnSnowneverlosthisdesireto______cholera.destroy/.Snowisconsidered________________________.thefatherofmodernepidemiologysolutionbackground1.WhywasitJohnSnow,nototherdoctors,whodefeatedKingCholera?Canyoufindtheevidencefromthetexttosupportyouropinion?

tounderstandthequestioningmindPara.1Cholerausedtobeoneofthemostfeareddiseasesintheworld,untilaBritishdoctorJohnSnow,showedhowitcouldbeovercome.Thisillnesscausesseverediarrhoea,dehydration,andevendeath.Intheearly19thcentury,whenanoutbreakofcholerahitEurope,millionsofpeoplediedfromthedisease.Asayoungdoctor,JohnSnowbecamefrustratedbecausenooneknewhowtopreventortreatcholera.Intime,herosetobecomeafamousdoctor,andevenattendedtoQueenVictoriawhenshegavebirth.

Howeverheneverlosthisdesiretodestroycholeraonceandforall.astrongdesire

tounderstandthequestioningmindPara.2Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,buthestillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.determinedquestioningmind

tounderstandthequestioningmindPara.3Snowbeganbymarkingonamaptheexactplaceswhereallthosewhodiedhadlived.ThereweremultipledeathsnearthewaterpumpinBroadStreet(especiallyhousenumbers16,3738,and40).HoweversomehousehoIds(suchas20and21BroadStreet,and8and9CambridgeStreet)hadhadnodeaths.Thesepeopleworkedinthepubat7CambridgeStreet.Theyhadbeengivenfreebeer,andsohadnotdrunkthewaterfromthepump.Snowsuspectedthatthewaterpumpwastoblame.What’smore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemedthatthewomanlikedthewaterfromthepumpsomuchthatshehaditdelivered(havesthdonetoherhouseev