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高中英语 Unit 1 Great Scientists单元课件 新人教版必修5 课件.ppt

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Unit1GreatScientistsDoyouknow?Whoinventedthefirststeamengine?Whodiscoveredradium?Whoinventedalamptokeepminersafeunderground?Whoisthefatherofsuperhybridrice?JohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.Let’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:Whathappenedin1854?Howmanypeoplediedin10days?WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?Task2:Readandanswer1Whycouldn’tthecholerabeundercontrolatfirst?2WhichtheorydidJohnSnowbelievein?3JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandB4TopreventthecholerafromspreadingagainwhatdidJohnSnowdo?JohnSnowDefeats“KingCholera”MindMapofthetextParagraph3:Studyofthebreakoutin1854Paragraph6:PreventionofCholeraJohnSnowdefeatKingCholeraReadthepassageagainandfinishEx.1(Page3).(in8minutes)ScientificReportTheresultsRetellthepassageaccordingtobelow:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____outhebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally“KingCholera”wasdefeated.Readthepassageagainandfillintheblanks:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______