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U1-JohnSnowDefeatsKingCholera
ReadingWatchashortvideo.Thinkaboutthequestion.
Whywasthemaninthedesertedlittlecabinhatedandkilledbythevillagers?Pre-reading:Lead-inWhywasthemaninthedesertedlittlecabinhatedandkilledbythevillagers?
Becausehewasinfectedwithadeadlydisease—cholera.Pre-reading:Lead-inCholeraisanextremelydeadlydisease.Ifyouareinfectedwithcholera,youwillprobablydieinseveraldays!Itmightbespreadinfourways.—Drinkingpollutedwater.—Eatingrawfood(orfoodwithoutbeingcooked).—Contactingdirectlywithcholera-infectedpatients.—“Kissed”byfliescarryingcholeragerms.Inthe1830sand1840s,cholerabrokeoutfourtimesinEnglandandkilledtensofthousandsofpeoplethere.In1854,themostterribleoutbreakofcholerainhistoryoccurredinEngland.Thischolerawascalled“KingCholera”.Itwassosevereandsuddenthat127peoplediedinthefirstthreedays.Fortunately,aherodefeatedthis“KingCholera”eventually……SomeinformationaboutcholeraJohnSnowDefeats“KingCholera”Lookthroughthepassageandfindoutit’smainidea.Thepassageismainlyabout
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Inordertofindthecauseofthecholera,JohnSnowmadeascientificresearchoncholeraandeventuallyprovedhisnewidea.While-reading1:FastReadinghowJohnSnowfoundthecauseofthecholeraanddefeatedit.
Para.11.WhoisJohnSnow?2.FromwhatdiseasedidLondonerssufferinhisage?3.Didpeopleknowhowtocurethedisease?4.WhendidDr.Snowthinkthediseasewould
be
controlled?While-reading2:CarefulReadingHewasadoctor.Hefacedthechallengeofhelpingpeoplewhowereinfectedwithcholera.HeattendedQueenVictoriaasherpersonalphysician.
takecareof1.WhoisJohnSnow?2.FromwhatdiseasedidLondonerssufferinhisage?3.Didpeopleknowhowtocurethedisease?4.WhendidDr.Snowthinkthediseasewouldbecontrolled?Theywereexposedtocholera.No,neitheritscausenoritscure
wasunderstood.
Heknewitwouldneverbecontrolleduntilitscausewasfound.
What’sthecauseofthedisease?1.Whatwasthefirsttheoryexplaininghowthediseasekilledpeople?2.Whatwasthesecondtheoryexplaininghowthediseasekilledpeople?Thatcholeramultipliedintheair.Acloudofdangerousgasfloatedarounduntilitfounditsvictims.Para.2Peopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.
Thedisease
quicklyattackedthebodyfromthestomachandsoontheaffectedpersondied.
Whichtheorywascorrect?1.InJohn’sopinion,whichtheorywascorrect?2.WhatdidJohndowhenthediseasespreadthroughpoorneighbourhoods?3.Whatmethoddidheuse?JohnSnowsuspectedthatthesecondtheorywascorrectbutheneededevidence.Hebegantogatherinformation.Para.3Hemarkedtheexactplacesonamapwhereallthedeadpeoplehadlived.1.Whatroledidthemapplayinfindingthecauseofthedisease?2.WhereweremanyofthedeathsinBroadStreet?3.Whydidsomehouseshavenodeaths?4.WhatdidDr.Snowthinkwasresponsibleforthedisease?Para.4Themapgavehimavaluableclue
aboutthecauseofthedisease.
1.Whatroledidthemapplayinfindingthecauseofthedisease?
PartofSnow’sCholeraMappubpumpCambridgeStreetBroadStreetNodeathshappenedhere.2.WhereweremanyofthedeathsinBroadStreet?3.Whydidthesehouseshavenodeaths?Thesefamiliesworkedinthepubat7CambridgeStreet.TheyhadbeengivenfreebeerandsohadnotdrunkthewaterfromtheBroadStreetpump.Manydeathshappenedhere.4.WhatdidDr.Snowthinkwasresponsibleforthedisease?Itseemedthat
thewaterwastoblame.
1.Howdidheanalysetheresult?2.WhatdidDr.SnowadvisethepeopleinBroadStreettodo?Para.5Immediatelyhetoldtheastonishedpeopletoremove
thehandlefromthepumpsothatitcouldnotbeused.
HelookedintothesourceofthewaterandfoundthatitwaspollutedbythedirtywaterfromLondon.Heshowedthatcholerawasspreadbygerms.1.WhatextraevidencedidJohnSnowfind?2.WhatconclusiondidDr.Snowtellthepublic?Inaddition,hefound
twootherdeaths.Awomanandherdaughterdiedofcholeraafterdrinkingthewaterfromthepump.Para.6Heannouncedwithcertainty
thatpollutedwatercarriedthevirus.
Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?Para.71.Hesuggestedthatthesourceofallwatersuppliesshouldbeexamined.2.Heinstructedthewatercompaniesnottoexposepeopletothepollutedwateranymore.“Kingcholera”wasdefeated.JohnSnow_________QueenVictoria___herpersonal_________andwantedtohelpordinarypeople_____________(expose)cholera.Thereweretwo_________aboutthecauseofcholera.JohnSnow__________thatthesecondonewascorrect.Hecarried________aseriesofresearchesandfoundthatthewater________________(blame).Sohetoldthepeopleto_________thehandlefromthepumpatonce.Thediseasesoonslowed________.Afterthathefoundtwootherdeathsthat_______________(link)thewater.Withthis__________________evidenceJohnSnowwasabletoannouncewith___________thatpollutedwatercarriedthevirus.Hesuggested___________thesourceofallthewatersupplies.Andthewatercompanies___________________(instruct)nottosupplypeople________pollutedwater.Finally“KingCholera”______________.Fillintheblanksaccordingtothepassage.Post-reading1:Summaryattendedasphyscianexposedtotheoriessuspectedoutwastoblameremovedownwerelinkedtoextra/supportingcertaintyexaminingwereinstructedwithwasdefeatedPost-reading2:DetailPresentationHowdidJohnSnowusethemaptocollectandanalysetheresults?pubpumpCambridgeStreetBroadStreetHowdidJohnSnowusethemaptocollectandanalysetheresults?…manydeaths...…nodeath……showed…cholera…s
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