【課件】高中英語人教版必修5unit1課件

Unit1GreatscientistsGreatScientistsPeriod1

WarmingupandPre-readingUnit1GreatScientistsDoyouknowthegreatscientists?1.Whoinventedthefirstmodernsteamengine?JamesWatt(瓦特)2.Whodiscoveredradium?MadameCurie3.Whoistheinventorofelectriclightbulb(電燈)?ThomasEdison4.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengwhoputforwardatheoryaboutblackholes?StephenHawking5.Whoisthefatherofsuperhybridrice?YuanLongping6.Doyouknowwhodefeated“KingCholera”?JohnSnowJohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.Doyouknowwhatkindofdiseaseischolera?Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.Let’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in1854inLondoninthisreadingpassage:

JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”Thepassageiswrittenasareportofanexperimentandthereare7steps:1.Findaproblem:(發(fā)現(xiàn)問題)2.Makeupaquestion:(形成研究主題)3.Thinkofamethod:(找出研究方法)4.Collectresults:(收集材料)5.Analyseresults:(分析材料)6.Repeatifnecessary:(必要時(shí)重新分析)7.Drawaconclusion:(得出結(jié)論)JohnSnowDefeats“KingCholera”Readthepassageandfillinthisform:(in15minutes)Steps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresults5.Analyseresults6.Repeatifnecessary7.MakeaconclusionSteps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresultsJohnSnowDefeats“KingCholera”Whatcausescholera?Whichtheoryiscorrect?CollectinformationonthosewhowereillordiedandwheretheygottheirwaterMarkinformationonamaptofindoutwherepeoplediedordidnotdied6.Repeatifnecessary7.Makeaconclusion5.AnalyseresultsAnalysethewatertoseeifthatisthecauseoftheillnessFindotherevidencetomakesuretheconclusionThewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.ReadthepassageagainandfinishEx.1(Page3).(in8minutes)JohnSnowDefeats“KingCholera”cientificReSportbyJohnSnowTheproblemThecauseIdea1: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.d