高中英语 Unit1 Great Scientists课件1 新人教版必修5.ppt

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1、Unit1GreatScientistsDoyouknow?Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?ArchimedesCharlesDarwinWhoinventedthefirststeamengine?ThomasNewcomenWhousedpeastoshowhowphysicalcharacteristicsarepasse

2、dfromparentstotheirchildren?GregorMendelWhodiscoveredradium?Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?MariesCurieThomasEdisonLeonardodaVinciWhoinventedalamptokeepminersafeunderground?Whoinventedtheearliestinst

3、rumenttotellpeoplewhereearthquakeshappened?Whoputforwardatheoryaboutblackholes?SirHumphreyDavyZhangHengStephenHawkingWhoisthefatherofsuperhybridrice?YuanLongpingDoyouknowwhodefeated“KingCholera”?JohnSnowJohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.Doyouknowwhat

4、kindofdiseaseischolera?Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Let’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:JohnSnowDefeats“KingCholera”Whathappenedin1854?Howmanypeoplediedin10d

5、ays?WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?CholeraoutbreakhitLondon.500ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.Task1:SkimandScanTask2:Readandanswer1Whycouldn’tthecholerabeundercontrolatfirst?2WhichtheorydidJohnSnowbelievein?3JohnSnowfinallyprov

6、edthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.Separatingthosewhosufferedcholerafromthosewhodidn’tD.BothAandB4Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?1Whycouldn’tthecholerabeundercontrolat

7、first?2WhichtheorydidJohnSnowbelievein?Neitheritscause,notitscurewasunderstood.Peopleabsorbedcholeraintotheirbodieswiththeirmeals.3JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintoth