新人教版必修五Unit1 Reading课件.ppt

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1、Unit1Greatscientists-----ByJoyceAlexanderBellelectricityThomasEdisontheFirsttelephoneWrightBrotherstheelectricLampMadameCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativityScientists&Contributions:JohnSnowisawe

2、ll-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.Doyouknowwhatkindofdiseaseischolera?Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Cholera:Itbeginsinthestomachandaseverecasecanleadtodeathwithoutim

3、mediatetreatment.Andthevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(呕吐)anddiarrhoea(腹泻).?Thecausesofcholera?Thecorrectorpossibletheory?Collectdataonthosewherepeoplewereillanddied?Plotinformationonamaptofindoutwherepeoplediedordidnotdie?Analysethewatertoseeifthatisthecau

4、seoftheillness.?Findotherevidencestoconfirmhisconclusion?TheadviceofJohnSnowabouthowtosolvetheproblemJohnSnowDefeats“KingCholera”Whatcausescholera?Whichtheoryiscorrect?CollectinformationonthosewhowereillordiedandwheretheygottheirwaterMarkinformationonamaptofindoutwherepeoplediedordid

5、notdiedAnalysethewatertoseeifthatisthecauseoftheillnessFindotherevidencetomakesuretheconclusionThewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.CarefulReading:JohnSnowwasandoctorinLondonwho____QueenVictoriaasherpersonal.Hethoughtabouthelpingordinarypeople__tocholera.Thou

6、ghthecauseandtheofitwereunknown,hewantedtofacethe____________andsolvetheproblem.para.1expertattendedphysicianexposedcurechallengeCarefulReading:Whatwerethetwotheoriesaboutthecauseofcholera?WhichdidJohnSnowwanttoprove?Whatwashismethodofdoingtheresearch?…multiplied……victims……absorb…The

7、secondone.Togatherinformationintwoparticularstreets.para.2&3CarefulReading:para.4Whatdidhedowiththeresultsofhisenquiry?Whatvaluablecluedidhegetaboutthecauseofthedisease?Whatmightbethecause?Markedonamap…Manyofthedeaths……hadnodeaths.Itseemedthatthewaterwastoblameforcholera.Manyofthedea

8、thswereneart