人教版必修五-unit1-great-scientists-reading課件

Unit1

GreatScientistsReadingUnit1

GreatScientistsReadin1characteristicradiumpainterputforwardscientificconcludeconclusionanalysedefeatn.特征；特性n.鐳n.畫(huà)家；油漆匠提出adj.科學(xué)的v.結(jié)束；推斷出n.結(jié)論；結(jié)束vt.分析v.戰(zhàn)勝n.失敗Wordspreviewcharacteristicn.特征；特性Wordspr2expertattendphysicianexposecurechallengeadj.熟練的;經(jīng)驗(yàn)豐富的n.專家;行家vt.照顧;出席;參加n.醫(yī)生；內(nèi)科醫(yī)師vt.暴露;揭露;使曝光n.治愈；痊愈vt.治愈；治療n.挑戰(zhàn)vt.向……挑戰(zhàn)Wordspreviewexpertadj.熟練的;經(jīng)驗(yàn)豐富的Wordspre3victimabsorbsuspectenquiryneighbourhoodseverepumpn.受害者vt.吸收;吸引;使專心vt.懷疑n.被懷疑者;嫌疑犯n.詢問(wèn)n.附近;鄰近adj.嚴(yán)重的;嚴(yán)厲的n.泵;抽水機(jī)vt.(用泵)抽(水)Wordspreviewvictimn.受害者Wordspreview4foreseeblamepollutehandlelinkannounceinstructvt.預(yù)見(jiàn);預(yù)知vt.責(zé)備;譴責(zé)n.過(guò)失;責(zé)備vt.污染;弄臟n.柄;把手vt.處理;操縱vt.&n.連接；聯(lián)系vt.宣布;通告vt.命令;指示;教導(dǎo)Wordspreviewforeseevt.預(yù)見(jiàn);預(yù)知Wordsprevie5infectcholeradeadlyoutbreakclueinvestigategermcertaintyv.感染；傳染n.霍亂adj.致命的n.爆發(fā)；發(fā)作n.線索；提示v.調(diào)查n.微生物；細(xì)菌n.確信Wordspreviewinfectv.感染；傳染W(wǎng)ordspreview6drawaconclusionexpose…tolink…to…CambridgeStreet得出結(jié)論使顯露;暴露將……和……聯(lián)系或連接起來(lái)劍橋大街Expressionspreviewdrawaconclusion得出結(jié)論Expressio7Whoishe?Heis…

Archimedes(阿基米德)Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Whoishe?Heis…Archimedes(8CharlesDarwin.Whoishe?Heis…

Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin.Whoishe?Heis9ThomasNewcomen.Whoishe?Heis…

Whoinventedthefirststeamengine?ThomasNewcomen.Whoishe?Hei10GregorMendelWhoishe?Heis…

Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorWhoishe?Heis…Whou11MarieCurieWhoishe?Sheis…

Whodiscoveredradium?MarieCurieWhoishe?Sheis…12ThomasEdisonWhoishe?Heis…

Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdisonWhoishe?Heis…13LeonardodaVinciWhoishe?Heis…

Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?LeonardodaVinciWhoishe?He14LeonardodaVinciTheLastSupperLeonardodaVinciTheLastSup15HumphryDavyWhoishe?Heis…

Whoinventedalamptokeepminerssafeunderground?HumphryDavyWhoishe?Heis…16ZhangHengWhoishe?Heis…

Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengWhoishe?Heis…Wh17

StephenHawkingWhoishe?Heis…

Whoputforwardatheoryaboutblackholes?StephenHawkingWhoishe?Hei18ArchimedesCharlesDarwinThomasNewcomenGregorMendelMarieCurieThomasEdisonLeonardodaVinciSirHumphryDavyZhangHengStephenHawkingArchimedesCharlesDarwinThomas191.Doingaresearchusuallygoesthroughsomecertainsteps.Pleaseputthese7stepsinorder?Pre-reading1.Doingaresearchusuallygo20DrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceDrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceDrawaconclusionThinkofame21JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholer22ReadingJohnSnowReadingJohnSnow231.bornin1813inYork,England.2.studiedinYorkuntiltheageof14,hewasapprenticedtoasurgeon3.1836theHunterianschoolofmedicine&workattheWestminsterHospital18374.1838gratuatedfromtheUniversutyofLondon5.1850theRoyalcollegeofPhysician6.ananesthetist(麻醉師)1.bornin1813inYork,Engla24

Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Thevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(嘔吐)anddiarrhoea(腹瀉).2.Whatdoyouknowaboutcholera?Itbeginsinthestomachan25GermanyGreatBritainDeathoffirstcholeracaseinLondonduringthe1848-49epidemicLondonin183178,000peoplediedThespreadofcholeraGermanyDeathoffirstcholera26JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholer27Skimming

Thetextismainlyabout___________andhowhe_______________.JohndefeatedthedeadlycholeraSnowSkimming Thetextismainl28DrawaconclusionFindaproblemMakeupaquestionThinkofamethodCollectresultsAnalysetheresultsPara1Para2Para3Para4Para5Para6FindsupportingevidencePara7DrawaconclusionFindaproble29Whatistheproblem?Thecholerawasthemost_____diseaseofitsday.Neitherits____,norits___was________.Whatcausedcholera?Details1.FindaproblemdeadlycausecureunderstoodWhatistheproblem?Thecholer30twotheoriestheory1theory2Cholera_________intheair.Acloudofdangerousgaswould______arounduntilitfoundits________.People________

itwiththeirmeals.2.makeupaquestionmultipliedfloatvictimsabsorbedWhatcausedcholera?Whichtheoryiscorrect?twotheoriestheory1theory2C313.thinkofamethodAmapofBroadStreetWhatmethoddidheuse?BroadStreetManydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.Publichouse4.collectresults3.thinkofamethodAmapofB32analyzetheresults:Whathappenedtothepumpwater?Thewaterwasfromthe____whichhadbeen_______bythe_________fromLondon.5.analysetheresultsriverpolluteddirtywateranalyzetheresults:Whatha33Whatextraevidencedidhefind?twootherdeathsAwomanandherdaughterwholivedfarawaybutdrankthewateralsodied.7.drawaconclusionwithcertaintyThepollutedwatercarriedthedisease.6.findsupportingevidenceWhatextraevidencedidhefin34Manypeoplediedof_______.JohnSnowtriedtofindoutits_____&____causecurePost-reading

choleraTheory1Theory2gatherinformationin_________________twoparticularstreetsmarkona______mapManypeoplediedof_______.Jo35Familiesweregivenfreebeerinthepubat__________Street.Peopleremovedthe______fromthewaterpump.Peoplehadno

________Thedisease

___________CambridgedeathshandlesloweddownPeopledrankwaterfromthepumpin______Street.Mostdied.BroadFamiliesweregivenfreebeer36_______watercarriedthedisease.Theory2thatpeople________thediseasewiththeirmealsprovedright.________thesourceofallthewatersupplies.PollutedabsorbedExaminesupportingevidence:theexample_______watercarriedthedise37Disscusion:Whatshouldwepayattentiontoinourdailylifeinordernottogetinfectedwithcholera?

Disscusion:Whatshouldwepay38DrinkboiledwaterDrinkboiledwater39washourhandsDrinkboiledwaterwashourhandsDrinkboiledwat40DrinkboiledwaterwashourhandskeepawayformfliesDrinkboiledwaterwashourhan41DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodDrinkboiledwaterwashourhan42DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleanDrinkboiledwaterwashourhan43DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleancookrawfoodthoroughlyDrinkboiledwaterwashourhan44DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleancookrawfoodthoroughlyputtherubbishintothedustbinDrinkboiledwaterwashourhan45DrinkboiledwaterheatthefoodleftovernightwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleancookrawfoodthoroughlyputtherubbishintothedustbinDrinkboiledwaterheatthefoo46From:Thankyou!From:Thankyou!47Whycouldn’tcholerabeundercontrolatfirst?Whathappenedin1854?Howmanypeoplediedin10days?Task1:SkimandScanWhycouldn’tcholerabeunder481.Whycouldn’tcholerabe

undercontrol

atfirst?2.Whathappenedin1854?3.Howmanypeopledied

in10days?CholeraoutbreakhitLondon.500Neitheritscause,noritscurewasunderstood.1.Whycouldn’tcholerabeunde493JohnSnowfinallyprovedthetheoryby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandB3JohnSnowfinallyprovedthe50Task2ReadandAnswerTask2ReadandAnswer51Fillinthisform:(in5minutes)Fillinthisform:(in5m52Whatcausescholera?Whichtheoryiscorrect?CollectinformationMarkinformationonamaptofindoutwherepeoplediedordidnotdied1234CarefulReadingWhatcausescholera?Whichtheo53Thewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.FindotherevidencetomakesuretheconclusionAnalyzethewatertoseeifthatisthecauseoftheillness567Thewateristoblame.Thesou54Para1Whatistheproblem?Thecholerawasthedeadlydiseaseofitsday.Neitheritscause,noritscurewasunderstood.Whatcausescholera?Para1Whatistheproblem?What55JohnSnowwasan

doctorinLondonwho

QueenVictoriaasherpersonal

andwasinspiredbypeople_____tocholera.Thoughthecauseandthe

ofitwereunknown,hewantedtofacethe

andsolvetheproblem...MoredetailsexpertattendedphysicianexposedchallengecureJohnSnowwasan56Para2>Whatwasthetwotheoriesexplaininghowthediseasekilledpeople?Peopleabsorbeditintotheirbodieswiththeirmeals.thecholeramultipliedintheair,acloudofdangerousgasfloatedarounduntilitfounditsvictims.Theory1：Theory2：Para2>Whatwasthetwotheor57Para2WhichtheorydidJohnSnowsuspectwascorrect?Hesuspectedthatthesecondtheorywascorrectbutheneededevidence.Para2WhichtheorydidJohnS58Para3ThinkofamethodWhatisthemethodofdoingthisresearch?Togatherinformationintwoparticularstreets.

TocollectresultsPara3ThinkofamethodTocoll59Para5FinallyJohnfoundthesourceofthewater.Whereitcamefrom?Para5FinallyJohnfoundtheso60Para5Atlast,heprovedthesecondtheorywascorrectbyshowingthatcholerawasspreadbygermsandnotinacloudofgas.

Para5Atlast,heprovedthese61Para6.Whatextraevidencedidhefind?twootherdeaths

Awomanandherdaughterwholivedfarawaybutdrankthewaterfromthepumpalsodied.announcewithcertaintyThepollutedwatercarriedthedisease.Para6.Whatextraevidencedid62Para7(Drawaconclusion)WhatmeasuresdidJohnSnowtaketopreventthediseasefromspreading?..suggestedthat…beexamined…wereinstructednotto

expose…to…Finally,“KingCholera”wasdefeated.Para7(Drawaconclusion)..sug63No.ThemaphelpedJohnSnoworganisehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.No.ThemaphelpedJohnSnow64Readthepassageagainandfillintheblanks:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing(in5minutes)Readthepassageagainandfil65Retellthepassageaccordingtobelow:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.Retellthepassageaccordingt66Memorizethenewwordsandexpressions1Readthepassage2Homework:

Memorizethenewwordsande67Unit1

GreatScientistsReadingUnit1

GreatScientistsReadin68characteristicradiumpainterputforwardscientificconcludeconclusionanalysedefeatn.特征；特性n.鐳n.畫(huà)家；油漆匠提出adj.科學(xué)的v.結(jié)束；推斷出n.結(jié)論；結(jié)束vt.分析v.戰(zhàn)勝n.失敗Wordspreviewcharacteristicn.特征；特性Wordspr69expertattendphysicianexposecurechallengeadj.熟練的;經(jīng)驗(yàn)豐富的n.專家;行家vt.照顧;出席;參加n.醫(yī)生；內(nèi)科醫(yī)師vt.暴露;揭露;使曝光n.治愈；痊愈vt.治愈；治療n.挑戰(zhàn)vt.向……挑戰(zhàn)Wordspreviewexpertadj.熟練的;經(jīng)驗(yàn)豐富的Wordspre70victimabsorbsuspectenquiryneighbourhoodseverepumpn.受害者vt.吸收;吸引;使專心vt.懷疑n.被懷疑者;嫌疑犯n.詢問(wèn)n.附近;鄰近adj.嚴(yán)重的;嚴(yán)厲的n.泵;抽水機(jī)vt.(用泵)抽(水)Wordspreviewvictimn.受害者Wordspreview71foreseeblamepollutehandlelinkannounceinstructvt.預(yù)見(jiàn);預(yù)知vt.責(zé)備;譴責(zé)n.過(guò)失;責(zé)備vt.污染;弄臟n.柄;把手vt.處理;操縱vt.&n.連接；聯(lián)系vt.宣布;通告vt.命令;指示;教導(dǎo)Wordspreviewforeseevt.預(yù)見(jiàn);預(yù)知Wordsprevie72infectcholeradeadlyoutbreakclueinvestigategermcertaintyv.感染；傳染n.霍亂adj.致命的n.爆發(fā)；發(fā)作n.線索；提示v.調(diào)查n.微生物；細(xì)菌n.確信Wordspreviewinfectv.感染；傳染W(wǎng)ordspreview73drawaconclusionexpose…tolink…to…CambridgeStreet得出結(jié)論使顯露;暴露將……和……聯(lián)系或連接起來(lái)劍橋大街Expressionspreviewdrawaconclusion得出結(jié)論Expressio74Whoishe?Heis…

Archimedes(阿基米德)Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Whoishe?Heis…Archimedes(75CharlesDarwin.Whoishe?Heis…

Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin.Whoishe?Heis76ThomasNewcomen.Whoishe?Heis…

Whoinventedthefirststeamengine?ThomasNewcomen.Whoishe?Hei77GregorMendelWhoishe?Heis…

Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorWhoishe?Heis…Whou78MarieCurieWhoishe?Sheis…

Whodiscoveredradium?MarieCurieWhoishe?Sheis…79ThomasEdisonWhoishe?Heis…

Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdisonWhoishe?Heis…80LeonardodaVinciWhoishe?Heis…

Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?LeonardodaVinciWhoishe?He81LeonardodaVinciTheLastSupperLeonardodaVinciTheLastSup82HumphryDavyWhoishe?Heis…

Whoinventedalamptokeepminerssafeunderground?HumphryDavyWhoishe?Heis…83ZhangHengWhoishe?Heis…

Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHengWhoishe?Heis…Wh84

StephenHawkingWhoishe?Heis…

Whoputforwardatheoryaboutblackholes?StephenHawkingWhoishe?Hei85ArchimedesCharlesDarwinThomasNewcomenGregorMendelMarieCurieThomasEdisonLeonardodaVinciSirHumphryDavyZhangHengStephenHawkingArchimedesCharlesDarwinThomas861.Doingaresearchusuallygoesthroughsomecertainsteps.Pleaseputthese7stepsinorder?Pre-reading1.Doingaresearchusuallygo87DrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceDrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceDrawaconclusionThinkofame88JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholer89ReadingJohnSnowReadingJohnSnow901.bornin1813inYork,England.2.studiedinYorkuntiltheageof14,hewasapprenticedtoasurgeon3.1836theHunterianschoolofmedicine&workattheWestminsterHospital18374.1838gratuatedfromtheUniversutyofLondon5.1850theRoyalcollegeofPhysician6.ananesthetist(麻醉師)1.bornin1813inYork,Engla91

Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Thevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(嘔吐)anddiarrhoea(腹瀉).2.Whatdoyouknowaboutcholera?Itbeginsinthestomachan92GermanyGreatBritainDeathoffirstcholeracaseinLondonduringthe1848-49epidemicLondonin183178,000peoplediedThespreadofcholeraGermanyDeathoffirstcholera93JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholer94Skimming

Thetextismainlyabout___________andhowhe_______________.JohndefeatedthedeadlycholeraSnowSkimming Thetextismainl95DrawaconclusionFindaproblemMakeupaquestionThinkofamethodCollectresultsAnalysetheresultsPara1Para2Para3Para4Para5Para6FindsupportingevidencePara7DrawaconclusionFindaproble96Whatistheproblem?Thecholerawasthemost_____diseaseofitsday.Neitherits____,norits___was________.Whatcausedcholera?Details1.FindaproblemdeadlycausecureunderstoodWhatistheproblem?Thecholer97twotheoriestheory1theory2Cholera_________intheair.Acloudofdangerousgaswould______arounduntilitfoundits________.People________

itwiththeirmeals.2.makeupaquestionmultipliedfloatvictimsabsorbedWhatcausedcholera?Whichtheoryiscorrect?twotheoriestheory1theory2C983.thinkofamethodAmapofBroadStreetWhatmethoddidheuse?BroadStreetManydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.Publichouse4.collectresults3.thinkofamethodAmapofB99analyzetheresults:Whathappenedtothepumpwater?Thewaterwasfromthe____whichhadbeen_______bythe_________fromLondon.5.analysetheresultsriverpolluteddirtywateranalyzetheresults:Whatha100Whatextraevidencedidhefind?twootherdeathsAwomanandherdaughterwholivedfarawaybutdrankthewateralsodied.7.drawaconclusionwithcertaintyThepollutedwatercarriedthedisease.6.findsupportingevidenceWhatextraevidencedidhefin101Manypeoplediedof_______.JohnSnowtriedtofindoutits_____&____causecurePost-reading

choleraTheory1Theory2gatherinformationin_________________twoparticularstreetsmarkona______mapManypeoplediedof_______.Jo102Familiesweregivenfreebeerinthepubat__________Street.Peopleremovedthe______fromthewaterpump.Peoplehadno

________Thedisease

___________CambridgedeathshandlesloweddownPeopledrankwaterfromthepumpin______Street.Mostdied.BroadFamiliesweregivenfreebeer103_______watercarriedthedisease.Theory2thatpeople________thediseasewiththeirmealsprovedright.________thesourceofallthewatersupplies.PollutedabsorbedExaminesupportingevidence:theexample_______watercarriedthedise104Disscusion:Whatshouldwepayattentiontoinourdailylifeinordernottogetinfectedwithcholera?

Disscusion:Whatshouldwepay105DrinkboiledwaterDrinkboiledwater106washourhandsDrinkboiledwaterwashourhandsDrinkboiledwat107DrinkboiledwaterwashourhandskeepawayformfliesDrinkboiledwaterwashourhan108DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodDrinkboiledwaterwashourhan109DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleanDrinkboiledwaterwashourhan110DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleancookrawfoodthoroughlyDrinkboiledwaterwashourhan111DrinkboiledwaterwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleancookrawfoodthoroughlyputtherubbishintothedustbinDrinkboiledwaterwashourhan112DrinkboiledwaterheatthefoodleftovernightwashourhandskeepawayformfliesfreshseafoodkeepthekitchencleancookrawfoodthoroughlyputtherubbishintothedustbinDrinkboiledwaterheatthefoo113From:Thankyou!From:Thankyou!114Whycouldn’tcholerabeundercontrolatfirst?Whathappenedin1854?Howmanypeoplediedin10days?Task1:SkimandScanWhycouldn’tcholerabeunder1151.Whycouldn’tcholerabe

undercontrol

atfirst?2.Whathappenedin1854?3.Howmanypeopledied

in10days?CholeraoutbreakhitLondon.500Neitheritscause,noritscurewasunderstood.1.Whycouldn’tcholerabeunde1163JohnSnowfinallyprovedthetheoryby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandB3JohnSnowfinallyprovedthe117Task2ReadandAnswerTask2ReadandAnswer118Fillinthisform:(in5minutes)Fillinthisform:(in5m119Whatcausescholera?Whichtheoryiscorrect?CollectinformationMarkinformationonamaptofindoutwherepeoplediedordidnotdied1234CarefulReadingWhatcausescholera?Whichtheo120Thewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.FindotherevidencetomakesuretheconclusionAnalyzethewatertoseeifthatisthecauseoftheillness567Thewateristoblame.Thesou121Para1Whatistheproblem?Thecholerawasthedeadlydiseaseofitsday.Neitheritscause,noritscurewasunderstood.Whatcausescholera?Para1Whatistheproblem?What122JohnSnowwasan

doctorinLondonwho

QueenVictoriaasherpersonal

andwasinspiredbypeople_____tocholera.Thoughthecauseandthe

ofitwereunknown,hewantedtofacethe

andsolvetheproblem...MoredetailsexpertattendedphysicianexposedchallengecureJohnSnowwasan123Para2>Whatwasthetwotheoriesexplaininghowthediseasekilledpeople?Peopleabsorbeditintotheirbodieswiththeirmeals.thecholeramultipliedintheair,acloudofdangerousgasfloatedarounduntilitfounditsvictims.Theory1：Theory2：Para2>Whatwasthetwotheor124Para2WhichtheorydidJohnSnowsuspectwascorrect?Hesuspectedthatthesecondtheorywascorrectbutheneededevidence.Para2WhichtheorydidJohnS125Para3ThinkofamethodWhatisthemethodofdoingthisresearch?Togatherinformationintwoparticularstreets.

TocollectresultsPara3