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高中英语必修五第一单元Reading.ppt

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Unit1GreatscientistsReading,高二人教新课标版必修五,1,drawaconclusion,thinkofamethod,collectresults,makeaquestion,findaproblem,analysetheresults,findsupportingevidence,findaproblem,makeaquestion,thinkofamethod,collectresults,analysetheresults,drawaconclusion,Howtoproveanewideainscientificresearch?,findsupportingevidence。

2,JohnSnow约翰.斯诺(18131858),英国麻醉学家、流行病专家。他首次提出了预防霍乱的措施。1854年,伦敦霍乱流行,斯诺通过研究霍乱病死者的日常生活情况,寻找到他们的共同行为模式,发现了霍乱与饮用不洁水的关系,由于及时切断了二者的联系,有效制止了霍乱的流行。,3,Fouroutbreaksofcholerainthe1830sand1840skilledmanypeopleinEngland.In1854,“themostterribleoutbreakofcholerawhicheveroccurredinthekingdom”began.Itwassoviolentandsuddenthat127peoplediedinthefirstthreedays。

Theterriblecholera,4,Bacteria/germsofcholera,5,Whatwasthecauseofthisillness?HowdidJohnSnowfinditout?,6,Skimthetextandfindthemainideaofthetext.,Thepassageismainlyabout:,HowJohnSnowfoundthecauseofthecholeraanddefeatedit.,Fastreading:,7,Readthepassagequicklyandfindthenumberbelowandtherelevanthappeningsinthepassage。

8,Thefirstsuggestedthatmultipliedintheair;Thesecondsuggestedabsorbedthisdiseaseintotheirbodieswiththeirmeals.,AnotheroutbreakhitLondon.,Morethan500peoplehaddiedin10days.,9,ThesenumbersinBroadStreetnearthewaterpumphadmanyofthedeaths,20and21BroadStreetand8and9CambridgeStreethadnodeaths.TheydidntdrinkthewaterfromtheBroadStreetpump。

Thesefamiliesworkedinthepubat7CambridgeStreet.,10,16,37,20,8,9,pump,38,40,BROADSTREET,CAMBRIDGESTREET,21,JohnSnowsCholeraMap,7,Pub,11,Whatistheproblem?,Thecholerawasthemostdeadlydiseaseofitsday.Neitheritscause,noritscurewasunderstood.,Whatcausedcholera?,12,Makeaquestion:Whichtheorytobelievein?,Idea1。

Idea2,Choleramultipliedintheairwithoutreason.Acloudofdangerousgaswouldfloatarounduntilitfounditsvictims.,Peopleabsorbeditwiththeirmeals.,Whichonedoyoubelievemore?WhataboutJohnSnow?,13,AmapofBroadStreet,Whatmethoddidheuse?,BroadStreet,Manydeathshappenedhere.,Nodeathhappenedhere.,Itseemedthewaterfromthepumpwastoblame。

Whatdidhedonext?,Publichouse,14,(Para6)Whatwasanothersupportingevidence?,(Para5)Helookedintothesourceofthewater,JohnSnowwasabletoannouncewithcertaintythatpollutedwatercarriedthevirus.,15,Readthepassageandnumbertheseeventsintheorderthattheyhappened.,JohnSnowbegantotesttwotheories.,AnoutbreakofcholerahitLondonin1854。

,Heannouncedthatthewatercarriedthedisease.,JohnSnowmarkedthedeathsonamap.,2,1,4,7,Carefulreading:,16,KingCholerawasdefeated.,Hefoundthatmostofthedeathswerenearawaterpump.,Hehadthehandleremovedfromthewaterpump.,JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.,3,8,5,6,17,Whatcausecholera?,

Whichtheoryiscorrect?,Collectdataonthosewhowereillordiedandwheretheygottheirwater.,Fillintheblanks.,18,Plotinformationonamaptofindoutwherepeoplediedordidnotdie.,Analysethewatertoseeifthatisthecauseoftheillness.,Findotherevidencetosupporttheanalysis.,Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe。

19,Matchthem,Para7,PreventionofCholera,20,1.JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?,KEY:JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.,Readandanswerthequestions.,21,2.DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap?Giveareason。

KEY:No.ThemaphelpedJohnSnoworganizehisideas.Hewasabletoidentifythosehouseholdsthathadmanydeathsandchecktheirwaterdrinkinghabits.Heidentifiedthosehousesthathadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.,22,3.Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?。

KEY:Fourdiseases,whicharesimilartoday,areSARS,AIDS,TB(肺结核)andbirdflu,becausetheyarebothveryserious,haveanunknowncauseandneedpublichealthcaretosolvethem.,23,1.Thepassagemainlytellsusthat.thecauseofcholerawaspollutedwaterB.JohnSnowwasawellknowndoctorinLondonC.thesourceofalldrinkingwatershouldbeexaminedD。

JohnSnowdidsomeresearchandhelpedtosolve“KingCholera”,Choosethebestanswer.,D,24,2.WhatwasthekeyhelpforJohnSnowsdiscovery?A.Thegovernment.B.ThewomanmovingawayfromBroadStreet.C.Thewatercompany.D.Themapmadebyhimself.,D,25,Summary,JohnSnowwasawellknowninLondoninthecentury.Hewantedtofindtheofcholerainordertoit。

In1854whenacholeraout,hebegantogatherinformation.,doctor,19th,cause,defeat,broke,26,Heonamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthedied.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthattheofallwatersupplybeandnewmethodsofwithpollutedwaterbefound。

Finally,“KingCholera”wasdefeated.,marked,pump,source,examined,dealing,27,Whatshouldwepayattentiontoinourdailylifeinordernottogetinfectedwithcholera?,Healthefoodleftovernight,Cookrawfoodthoroughly,Washhandsoften,Keepawayfromflies,choosefreshseafood,Keepthekitchenclean,Disposerubbishproperly.,Drinkboiledwater。

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