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Unit1GreatScientistsReading2020/3/16Scientists:2020/3/16AlexanderBellelectricityThomasEdisontheFirsttelephoneWrightBrotherstheelectricLampMadameCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativityScientists&Contributions:2020/3/16Pre-reading:DrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsFindsupportingevidenceWhatorderdoyouputthemin?Why?ThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsDrawaconclusionFindsupportingevidenceWhatdoyouknowaboutinfectiousdiseases?akindofinfectiousdiseases2020/3/16Cholera:•Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.•Andthevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(呕吐)anddiarrhoea(腹泻).Reading2020/3/16Task1:SkimMatchstageswithparagraphs.JohnSnowWhohelpedtodefeatthedisease?What'sthenameofthedisease?CholeraDrawaconclusionFindaproblemMakeupaquestionThinkofamethodCollectresultsAnalysetheresultsPara1Para2Para3Para4Para5Para6MatchthemFindsupportingevidencePara72020/3/16What’sthemainideaofthepassage?A.JohnSnowwasawell-knowndoctorinLondon.B.ThecauseofCholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowJohnSnowfindthecauseofthediseaseandsolvedit.Task2ScanningMindMapofthetextDoyouknowwhatdidthismapwasusedforin1854?FindingoutthecauseofCholera.2020/3/16Numbertheseeventsintheorderthattheyhappened__JohnSnowbegantotesttwotheories.__AnoutbreakofcholerahitLondonin1854.__JohnSnowmarkedthedeathsonamap.__Heannouncedthatthewatercarriedthedisease.__JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.__KingCholerawasdefeated.__Hefoundthatmostofthedeathswerenearawaterpump.__Hehadthehandleremovedfromthewaterpump.271345862020/3/16Whatistheproblem?Thecholerawasthemost_____diseaseofitsday.Neitherits____,norits___was________.Whatcausedcholera?Details1.Findaproblemdeadlycausecureunderstood2020/3/16Whichtheoryiscorrect?Cholera________intheairwithoutreason.Acloudofdangerousgaswould______arounduntilitfoundits________.People_______itwiththeirmeals.2.makeupaquestionmultipliedfloatvictimsabsorbed2020/3/163.thinkofamethodAmapofBroadStreetWhatmethoddidheuse?Manydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.Publichouse4.collectresults2020/3/16analyzetheresults:Whathappenedtothepumpwater?Thewaterwasfromthe____whichhadbeen_______bythe_________fromLondon.5.analysetheresultsriverpolluteddirtywater2020/3/16Whatextraevidencedidhefind?Awomanandherdaughterwholivedfarawaybutdrankthewateralsodied.7.drawaconclusionwithcertaintyThepollutedwatercarriedthedisease.6.findsupportingevidenceTask3ConsolidationCompletethepassage2020/3/16Readthepassageagainandfillintheblanks:JohnSnowwasawell-known___inLondoninthe19thcentury.Hewantedtofindthe_____ofcholerainorderto_____it.In1854whenacholera___out,hebeganto_____information.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe_____died.Sohedecidedthatthepollutedwater_____cholera.Hesuggestedthatthesourceofallwatersuppliesbe______andnewmethodsofdealingwithpollutedwaterbefound.Finally,“KingCholera”wasdefeated.doctorcausedefeatbrokemarkedpumpexaminedgathercarried2020/3/16Thankyou!