【公开课】Unit+1Reading+and+Thinking人教版（2019）选择性必修第二册

Unit1ScienceandScientists

ReadingandThinking

JohnSnowDefeats“KingCholera”Bytheendofthisclass,studentswillgetinformationabouthowJohnSnowdefeatedcholera;summarizethestagesofscientificresearch;talkaboutthesignificanceandcontributionofJohn’sworkLearningobjectives:1.severe(adj.)2.frustrated(adj.)3.infection(n.)4.subscribe(vi.)5.multiple(adj.)6.household(n.)感染；传染极为恶劣的；十分严重的；严厉的懊恼的；沮丧的；失意的一家人；家庭认购；定期订购；定期交纳数量多的；多种多样的7.suspect(n.&v.)8.blame(vt.&n.)9.handle(vt.&n.)10.intervention(n.)11.link(n.&vt.)12.pure(adj.)责备；指责处理；把手；柄介入；出面；干涉联系；把……连接起来干净的；纯的；纯粹的犯罪嫌疑人；怀疑13investigate(v)14theory(n)15transform(v)16subscribeto

17contradictory(adj)18substantial(adj)调查相互矛盾的，对立的大量的，重大的

改变，转变

同意，赞同

理论Leadin

Areyoufamiliarwiththesesituations?MaskupGetvaccinatedSelf-isolationPositivemeasuresaretakentofightagainstCovid-19.LeadinBesidescoronavirus,whatotherkindsofepidemics(流行病)doyouknow?Choleralossofliquid(缺水)severevomiting(呕吐)diarrhea(腹泻)Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Pre-readingJohnSnow

Defeats“KingCholera”Who?How?What?1.WhowasJohnSnow?

2.WhatisKingCholera?

3.HowdidJohnSnowdefeatKingCholera?Activity1Readforthemainideaandcheckpredictions

Para1Para2Para4Para5JohnSnowdesiretodestroycholera.Hedecidedtoprovethesecondtheorywascorrect.Johnbeganhisstudybymarkingonthemap.Finally，hefoundoutthetruthofinfectionofcholera.JohnSnow‘sgreatcontributions.Para3HowHowActivity2Readforstages

5

analyzetheresults

2

askaquestion

4

collectdata

3

thinkofamethod

1

findaproblem

6

findsupportingevidence

7

drawaconclusionPutthesevenresearchstagesinorder.Activity2FindthesevenstagesinPara.2&3

Para.2Stage1findaproblemcontradictorytoagreewithorsupportanopinion,atheory,etc.proofsubscribetoActivity2FindthesevenstagesinPara.2&3

Para.2Stage2askaquestioninvestigatedeterminedtocarefullyexaminethefactsorfindoutthetruthorhowithappenedActivity2FindthesevenstagesinPara.2&3

Para.3Stage3thinkofamethodmarkexactActivity2FindthesevenstagesinPara.2&3

Para.3Stage4collectdataActivity2FindthesevenstagesinPara.2&3

Para.3Stage5analyzetheresultsmultipleHowevernodeathsthewaterpumpwastoblamesuspectActivity2FindthesevenstagesinPara.2&3

Para.3Stage6findsupportingevidenceWhat’smoreActivity2FindthesevenstagesinPara.2&3

Para.3Stage7drawaconclusionAsaresultofthisevidence,...announceActivity3ReadfordetailedinformationinPara.1

What?It'soneofintheworld,becauseitcausesWhen?

Where?

Whatresults?

themostfeareddiseasesseverediarrhoea,dehydrationIntheearly19thcenturyEuropeMillionsofpeoplediedfromthediseaseCholeraandevendeath.Snowhadthe_______ofthepumpremoved.EActivity3ReadfordetailedinformationinPara.2&3Itwasbelievedthatcholerawascausedby_______orgermsin_____________.ASnow_________________theplaceswherepeoplewho_____hadlived.BbadairfoodorwatermarkedondiedThepumpwatercarried____________.DcholeragermshandleamapStepsintheresearchManydeathsoccurrednearthe__________inBroadStreet.Somepeople_______drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter____________

______________.CwaterpumphadnotfromthepumpdrinkingwaterSnowhadthe_______ofthepumpremoved.EActivity3ReadfordetailedinformationinPara.2&3Itwasbelievedthatcholerawascausedby_______orgermsin_____________.ASnow_________________theplaceswherepeoplewho_____hadlived.BbadairfoodorwatermarkedondiedManydeathsoccurrednearthe__________inBroadStreet.Somepeople_______drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter____________

______________.CwaterpumphadnotfromthepumpThepumpwatercarried____________.DcholeragermshandleamapResearchmethodtheoriesprocessevidenceconclusionsolutiondrinkingwaterActivity3ReadfordetailedinformationinPara.4&51.WhatcausedtheoutbreakofcholerainLondon?A.BadairB.WaterinfectedbyrawwasteC.PollutedairD.Waterpollutedbytheair2.WhywasJohnSnowcalledthefatherofmodernepidemiology(流行病学）?Hehelpedpeopleknowhowtopreventcholera.Hetransformedthewayscientistsstudydiseasesinuseofmapandstatistics.TheStoryofColera

Intheearly19thcentury,anoutbreakofcholerahitEurope,__(cause)millionsofdeaths.Seeingthis,JohnSnowbecamefrustratedbecausenooneknewhow_________(prevent)ortreatcholera.Atthattime,doctorshadtwotheoriestoexplainhowcholeraspread.Onewasthatbadaircausedthediseaseandanotherwasthatcholerawascausedbygermsinfoodorwater.Johndiscoveredthatintwoparticularstreet_____choleraoutbreakwas____severethatover500peoplediedintendays.Throughhisserious____________(investigate),hefounditwasthepumpwaterinBroadStreet_______resultedinthedisease.Therefore,hehadthehandleofthepump________(remove).FillintheblankcausingtopreventthesoinvestigationthatremovedItturnedoutthatthewaterfromthepump_______________(infect)bywaste.ThroughSnow'stirelessefforts,watercompaniesbegantosellcleanwater,andthethreatofcholeraaroundtheworldsaw____substantialdecrease.Snowtransformedtheway________________scientistsstudydiseases.Forthisreason,heisconsideredthefatherofmodernepidemiology.hadbeeninfectedathat/inwhichFillintheblankEvaluationofJohnSnowAsa