Unit1GreatScientistsDoyouknow?•Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?•Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?ArchimedesCharlesDarwin•Whoinventedthefirststeamengine?ThomasNewcomen•Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendel•Whodiscoveredradium?•Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?•Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?MariesCurieThomasEdisonLeonardodaVinci•Whoinventedalamptokeepminersafeunderground?•Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?•Whoputforwardatheoryaboutblackholes?SirHumphreyDavyZhangHengStephenHawkingWhoisthefatherofsuperWhoisthefatherofsuperhybridrice?hybridrice?YuanLongpingDoyouknowwhodefeated“KingDoyouknowwhodefeated“KingCholera”?Cholera”?JohnSnowJohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.Doyouknowwhatkindofdiseaseischolera?Doyouknowwhatkindofdiseaseischolera?Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Let’sgettoknowhowDr.JohnSnowdefeatedLet’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthis“KingCholera”in1854inLondoninthisreadingpassage:readingpassage:JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”•Whathappenedin1854?•Howmanypeoplediedin10days?•WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?CholeraoutbreakhitLondon.500ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.Task1:SkimandScanTask2:Readandanswer1Whycouldn’tthecholerabeundercontrolatfirst?2WhichtheorydidJohnSnowbelievein?3JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.Separatingthosewhosufferedcholerafromthosewhodidn’tD.BothAandB4Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?1Whycouldn’tthecholerabeundercontrolatfirst?2WhichtheorydidJohnSnowbelievein?Neitheritscause,notitscurewasunderstood.Peopleabsorbedcholeraintotheirbodieswiththeirmeals.3JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandB4Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?Suggestedthatthesourceofallwatersuppliesbeexamine.Suggestedthatnewmethodsofdealingwithpollutedwaterbefound.Instructedthewatercompaniesnottoexposepeopletothepollutedwateranymore.JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”ThepassageiswrittenasareportofanexperimentandThepassageiswrittenasareportofanexperimentandtherearethereare7steps7steps::1.Findaproblem:(1.Findaproblem:(发现问题发现问题))2.Makeupaquestion:(2.Makeupaquestion:(形成研究主题形成研究主题))3.Thinkofamethod:(3.Thinkofamethod:(找出研究方法找出研究方法))4.Collectresults:(4.Collectresults:(收集材料收集材料))5.Analyseresults:(5.Analyseresults:(分析材料分析材料))6.Repeatifnecessary:(6.Repeatifnecessary:(必要时重新分析必要时重新分析))7.Drawaconclusion:(7.Drawaconclusion:(得出结论得出结论))MindMapofthetextJohnSnowDefeats“KingCholera”Paragraph1:IntroductionofJohnSnowandCholeraParagraph2:TwotheoryFindaProblem:Whatcauset...