高中英语人教版必修5unit1课件2.ppt

,Unit1GreatScientists,Doyouknowthegreatscientists?,1.Whoinventedthefirstmodernsteamengine?,JamesWatt(瓦特),2.Whodiscoveredradium?,MadameCurie,3.Whoistheinventorofelectriclightbulb(电灯)?,ThomasEdison,4.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,ZhangHeng,5.Whoisthefatherofsuperhybridrice?,YuanLongping,6.Doyouknowwhodefeated“KingCholera”?,JohnSnow,JohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.,Doyouknowwhatkindofdiseaseischolera?,Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.,LetsgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:,JohnSnowDefeats“KingCholera”,JohnSnowDefeats“KingCholera”,Thepassageiswrittenasareportofanexperimentandthereare7steps:,1.Findaproblem:(发现问题)2.Makeupaquestion:(形成研究主题)3.Thinkofamethod:(找出研究方法)4.Collectresults:(收集材料)5.Analyseresults:(分析材料)6.Repeatifnecessary:(必要时重新分析)7.Drawaconclusion:(得出结论),JohnSnowDefeats“KingCholera”,Readthepassageandfillinthisform:(in15minutes),JohnSnowDefeats“KingCholera”,Whatcausescholera?,Whichtheoryiscorrect?,Collectinformationonthosewhowereillordiedandwheretheygottheirwater,Markinformationonamaptofindoutwherepeoplediedordidnotdied,Analysethewatertoseeifthatisthecauseoftheillness,Findotherevidencetomakesuretheconclusion,Thewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.,ReadthepassageagainandfinishEx.1(Page3).(in8minutes),JohnSnowDefeats“KingCholera”,Nobodyknewthecauseoftheseriousdiseaseofcholera,astrangecloudofgasfounditsvictims,peopleabsorbedthediseasewithmeals,Collectinformationfromthecholeraoutbreaktoprovewhichtheorywascorrect,Hefoundthecauseofcholerawasthepollutedwater,Idea2.Becausetheinformationshowedthatthedirtywatercarriedcholera,Hedefeatedcholerabyexaminingthewatersupplyanddealingwiththepollutedwater,Readthepassageagainandfillintheblanks:JohnSnowwasawell-known_inLondoninthe_century.Hewantedtofindthe_ofcholerainorderto_it.In1854whenacholera_out,hebegantogatherinformation.He_onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe_died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_ofallwatersupplybe_andnewmethodsof_withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.,doctor,19th,cause,defeat,broke,marked,pump,source,examined,dealing,(in5minutes),Retellthepassageaccordingtobelow:JohnSnowwasawell-known_inLondoninthe_century.Hewantedtofindthe_ofcholerainorderto_it.In1854whenacholera_out,hebegantogatherinformation.He_onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe_died.Sohedecidedthatthepo