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1、第1頁(yè)共67頁(yè)Unit1GreatscientistsTeachingaims1.Tohelpstudentslearntodescribepeople2.TohelpstudentslearntoreadanarrationaboutJohnSnow3.Tohelpstudentsbetterunderst“Greatscientists”4.Tohelpstudentslearntousesomeimptantwdsexpressi

2、ons5.Tohelpstudentsidentifyexamplesof“ThePastParticiple(1)asthePredicative&theattribute”Period1WarmingupreadingTeachingProceduresI.WarmingupStepILeadinTalkaboutscientist.T:Himningclass.Nicetoseeyouonthisspecialdaythedayw

3、henyoubecomeasenitwograder.IamhappytobewithyouhelpingyouwithyourEnglish.Todaywearetoreadaboutacertainscientist.Butfirstlet’sdefinethewd“scientist”.WhatisascientistAscientistisapersonwhowksinsciencetryingtoundersthowtheun

4、iverseotherthingswk.Scientistscanwkindifferentareasofscience.Herearesomeexamples:Thosethatstudyphysicsarephysicists.Thosethatstudychemistryarechemists.Thosethatstudybiologyarebiologists.StepIIAskthestudentstotrythequizfi

5、ndoutwhoknowsthemost.T:Therearesomegreatscientificachievementsthathavechangedthewld.CanyounamesomeofthemWhatkindofroledotheyplayinthefieldofscienceDotheseachievementshaveanythingincommonMatchtheinventionswiththeirinvents

6、belowbefeyouanswerallthesequestions.1.ArchimedesAncientGreek(287212BC)amathematician.2.lesDarwinBritain(18081882).ThenameofthebookisiginofSpecies.3.ThomasNewcomenBritish(16631729)aninventofsteamengine.4.GregMendelCzechab

7、otanistgeicist.5.MarieCuriePolishFrenchachemistphysicist.6.ThomasEdisonAmericananinvent.7.LeonardodaVinciItaliananartist.8.SirHumphryDavyBritishaninventchemist.9.ZhangHengancientChinaaninvent.10.StepperHawkingBritishaphy

8、sicist.II.PrereadingStepIGetthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudents第3頁(yè)共67頁(yè)StepIIIScanningReadthepassagenumbertheseeventsinthederthattheyhappened.2JohnSnowbegantotesttwotheies.1Anoutbre

9、akofcholerahitLondonin1854.4JohnSnowmarkedthedeathsonamap.7Heannouncedthatthewatercarriedthedisease.3JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.8KingCholerawasdefeated.5Hefoundthatmostofthedeathswerenear

10、awaterpump.6Hehadthehleremovedfromthewaterpump.StepIVMainideacrectstageReadthepassageputthecrectstagesintothereadingaboutresearchintoadisease.JohnSnowDefeats“KingCholera”ParagraphStagesGeneralideas1Findaproblem:Whatcause

11、thecholeraThecausesofcholera2Makeupaquestion:WhichisrightThecrectpossiblethey3Thinkofamethod:TesttwotheyCollectdataonwherepeoplewereilldiedwheretheygottheirwater4Collectresults:MarkthedeathPlotinfmationonamaptofindoutwhe

12、repeopledieddidnotdie5Analyzetheresults:FindtheresourceofthewaterLookintothewatertoseeifthatisthecauseoftheillness6FindsupptingevidenceFindotherevidencestoconfirmhisconclusion7DrawaconclusionThepolluteddirtysourceofdrink

13、ingwaterwastoblamefthecauseoftheLondoncholeraStepVGroupdiscussionAnswerthequestions(Finishexercise2onPage3)1.JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit(JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwa

14、sclearlyrelatedtocholeracollectedinfmationwasabletotiecasesoutsidetheareatothepollutedwater.)2.DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap(No.ThemaphelpedJohnSnowganizehisideas.Hewasabletoidentifythosehouse

15、holdsthathadhadmanydeathschecktheirwaterdrinkinghabits.Heidentifiedthosehousesthathadhadnodeathssurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.)3.Choleraisa19thcenturydisease.Whatdis

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