高中二年级英语必修5第一课时课件

,Unit1Greatscientists,JOHNSNOWDEFEATS“KINGCHOLERA”,Reading,HewasafamousdoctorinLondonwhoattendedQueenVictoriaasherpersonalphysician,1.WhowasJohnSnow?,Whatisthemainideaofthepassage?A.JohnSnowwasawell-knowndoctorinLondon.B.Thecaseofcholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowJohnSnowcollected,analyzeddataandfoundthecauseofthediseaseandsolvedit.,2.thecontentofthetext,Para1,Para2,Para3,Para4,Para5,Para6,Para7,7stepsDrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalyzetheresultsFindsupportingevidence,CarefulReading,Para.1Findaproblem.,JohnSnowwasandoctorinLondonwhoQueenVictoriaasherpersonal.Hethoughtabouthelpingordinarypeopletocholera.Thoughthecauseandtheofitwereunknown,hewantedtofacetheandsolvetheproblem.,expert,attended,physician,exposed,cure,challenge,Readingcarefully,Whatcausedcholera?,Whatistheproblem?,Para.2Makeaquestion:,Readingcarefully,Twotheories(ideas):,1.Choleramultipliedintheair.,2.Peopleabsorbeditintotheirbodieswiththeirmeals.,Para.3Thinkofamethod,Readingcarefully,1.Whathappenedin1854?2.Howmanypeoplediedin10days?3.WhatdidJohnSnowdoatthattime?,CholeraoutbreakhitLondon.,Morethan500,Hesuspectedthesecondtheorywasrightandbeganhisenquiry,AmapofBroadStreet,Whatmethoddidheuse?,BroadStreet,Manydeathshappenedhere.,Nodeathhappenedhere.,Para.4Collectresults,Readingcarefully,ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.,Itseemedthatthewaterwastoblameforcholera.,？,Whichhousehasthelargestnumberofdeathsinthismap?A.No.12B.No.2C.No.38D.No.29,Para.5Analyzetheresults,Readingcarefully,Whathappenedtothepumpwater?2.whatdidthepeopledo？,ThewaterwasfromtheriverpollutedbythedirtywaterfromLondon.,Removethehandlefromthewaterpumpsothatitcouldnotbeused.,Para.6Findsupportingevidence,Readingcarefully,Whatstheextraevidence?,Awomanandherdaughterwholivedfarawaybutdrankthewateralsodied.,Readingcarefully,Suggestedthatthesourceofallwatersuppliesbeexamined.Instructedthewatercompaniesnottoexposepeopletothepollutedwateranymore.,Thepollutedwatercausedcholera.,Drawaconclusion,Findaproblem,Makeaquestion,Thinkofamethod,Collectresults,Analyzetheresults,Para1,Para2,Para3,Para4,Para5,Para6,Findsupportingevidence,Para7,Review7stepsthatJohnSnowtook,SummaryJohnSnowadoctor，_QueenVictoryasherpersonal_.Buthewaswillingtohelpordinarypeople_cholera.Manypeopledied_therewasan_.Hewantedtofacethe_andsolvetheproblem.Twotheoriescaughtherattention.Thefirstsuggestedthatcholeramultipliedintheair.Thesecondsuggestedthatpeople_thisdiseaseintotheirbodiesandthedisease_thebody.JohnSnow_thesecondwasrightbuthe,attended,physician,exposedto,everytime,outbreak,challenge,absorbed,attacked,suspected,neededevidence.WhenanotheroutbreakhitLondonin1854，hewasreadytobeginhis_andtriedtogetinformation.Hefoundthatmostofthedeathswerenearawater_andthespreadofthediseasewas_water.Withtheevidence，hewasableto_thatpollutedwatercarriedthevirus.Afterthat，hesuggestedthesourceofallthewatersupplies_.Finally“KingCholera”was_.,enqui