高中英语人教版必修5unit1课件.ppt

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1、Unit1GreatscientistsGreatScientists制作教师：刘静会Period1WarmingupandPre-readingUnit1GreatScientistsDoyouknowthegreatscientists?1.Whoinventedthefirstmodernsteamengine?JamesWatt(瓦特)2.Whodiscoveredradium?MadameCurie3.Whoistheinventorofelectriclightbulb(电灯)?ThomasEdison4.Whoi

2、nventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengwhoputforwardatheoryaboutblackholes?StephenHawking5.Whoisthefatherofsuperhybridrice?YuanLongping6.Doyouknowwhodefeated“KingCholera”?JohnSnowJohnSnowisawell-knowndoctorinthe19thcenturyinLondona

3、ndhedefeated“KingCholera”.Doyouknowwhatkindofdiseaseischolera?Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Let’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:Jo

4、hnSnowDefeats“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.Dra

5、waconclusion:(得出结论)JohnSnowDefeats“KingCholera”Readthepassageandfillinthisform:(in15minutes)Steps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresults5.Analyseresults6.Repeatifnecessary7.MakeaconclusionSteps:What/How?1.Findaproblem2.Makeupaquesti

6、on3.Thinkofamethod4.collectresultsJohnSnowDefeats“KingCholera”Whatcausescholera?Whichtheoryiscorrect?CollectinformationonthosewhowereillordiedandwheretheygottheirwaterMarkinformationonamaptofindoutwherepeoplediedordidnotdied6.Repeatifnecessary7.Makeaconclusion5.Anal

7、yseresultsAnalysethewatertoseeifthatisthecauseoftheillnessFindotherevidencetomakesuretheconclusionThewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.ReadthepassageagainandfinishEx.1(Page3).(in8minutes)JohnSnowDefeats“KingCholera”cientificReSportbyJohnSnow

8、TheproblemThecauseIdea1:Idea2:ThemethodNobodyknewthecauseoftheseriousdiseaseofcholeraastrangecloudofgasfounditsvictimspeopleabsorbedthedis