高中英语必修5 Unit1 Great scientist period2课件VIP免费

Unit1GreatScientistsUnit1GreatScientistsDoyouknowthegreatscientists?Doyouknowthegreatscientists?1.Whoinventedthefirstmodernsteamengine?1.Whoinventedthefirstmodernsteamengine?JamesWatt(瓦特)2.Whodiscoveredradium?2.Whodiscoveredradium?MadameCurie3.Whoistheinve3.Whoistheinventorofelectricligntorofelectriclightbulb(htbulb(电灯电灯)?)?ThomasEdison4.Whoinventedtheearliest4.Whoinventedtheearliestinstrumenttotellpeoplewhereinstrumenttotellpeoplewhereearthquakeshappened?earthquakeshappened?ZhangHeng5.Whoisthefatherof5.Whoisthefatherofsuperhybridrice?superhybridrice?YuanLongping6.Doyouknowwhodefeated6.Doyouknowwhodefeated“KingCholera”?“KingCholera”?JohnSnowJohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.Doyouknowwhatkindofdiseaseischolera?Doyouknowwhatkindofdiseaseischolera?Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Let’sgettoknowhowDr.JohnSnowdefeatedLet’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthis“KingCholera”in1854inLondoninthisreadingpassage:readingpassage:JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”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))JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”Readthepassageandfillinthisform:(in15minutes)Readthepassageandfillinthisform:(in15minutes)Steps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresults5.Analyseresults6.Repeatifnecessary7.MakeaconclusionSteps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresultsJohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”Whatcausescholera?Whichtheoryiscorrect?CollectinformationonthosewhowereillordiedandwheretheygottheirwaterMarkinformationonamaptofindoutwherepeoplediedordidnotdied6.Repeatifnecessary7.Makeaconclusion5.AnalyseresultsAnalysethewatertoseeifthatisthecauseoftheillnessFindotherevidencetomakesuretheconclusionThewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.ReadthepassageagainandfinishEx.1(Page3).(in8minutes)JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”ScientificReportbyJohnSnowTheproblemThecauseIdea1:Idea2:ThemethodNobodyknewthecauseoftheseriousdiseaseofcholeraastrangecloudofgasfounditsvictimspeopleabsorbedthediseasewithmealsCollectinformationfromthecholeraoutbreaktoprovewhichtheorywascorrectTheresultsIdea1or2?Why?TheconclusionHefoundthecauseofcholerawasthepollutedwaterIdea2.BecausetheinformationshowedthatthedirtywatercarriedcholeraHedefeatedcholerabyexaminingthewatersupplyanddealingwiththepollutedwaterReadthepassageagainandfillintheblanks:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing(in5minutes)Retellthepassageaccordingtobelow:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.