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

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1、Unit1ScienceandScientists ReadingandThinking JohnSnowDefeats“KingCholera”Bytheendofthisclass,studentswillgetinformationabouthowJohnSnowdefeatedcholera;summarizethestagesofscientificresearch;talkaboutthesignificanceandcontributionofJohnsworkLearningobjectives:1.severe(adj.)2.frustrated(adj.)3.infecti

2、on(n.)4.subscribe(vi.)5.multiple(adj.)6.household(n.)感染；传染感染；传染极为恶劣的；十分严重的；严厉的极为恶劣的；十分严重的；严厉的懊恼的；沮丧的；失意的懊恼的；沮丧的；失意的一家人；家庭一家人；家庭认购；定期订购；定期交纳认购；定期订购；定期交纳数量多的；多种多样的数量多的；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；指责责备；指责处理；把手；柄处理；把手；柄介入；出面；干涉介入；

3、出面；干涉联系；把联系；把连接起来连接起来干净的；纯的；纯粹的干净的；纯的；纯粹的犯罪嫌疑人；怀疑犯罪嫌疑人；怀疑13 investigate(v)14 theory(n)15 transform(v)16subscribe to 17contradictory(adj)18 substantial(adj)调查调查相互矛盾的，对立的相互矛盾的，对立的大量的，重大的大量的，重大的 改变，转变改变，转变 同意，赞同同意，赞同 理论理论LeadinAreyoufamiliarwiththesesituations?MaskupGetvaccinatedSelf-isolationPositivem

4、easuresaretakentofightagainstCovid-19.LeadinBesidescoronavirus,whatotherkindsofepidemics(流行病流行病)doyouknow?Choleralossofliquid(缺水缺水)severevomiting(呕吐呕吐)diarrhea(腹泻腹泻)Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Pre-readingJohnSnowDefeats“KingCholera”Who?How?What?1.WhowasJ

5、ohnSnow?2.WhatisKingCholera?3.HowdidJohnSnowdefeatKingCholera?Activity1ReadforthemainideaandcheckpredictionsPara1Para2Para4Para5JohnSnowdesiretodestroycholera.Hedecidedtoprovethesecondtheorywascorrect.Johnbeganhisstudybymarkingonthemap.Finally，hefoundoutthetruthofinfectionofcholera.JohnSnowsgreatcon

6、tributions.Para3HowHowActivity2Readforstages5analyzetheresults2askaquestion4collectdata3thinkofamethod1findaproblem6findsupportingevidence7drawaconclusionPutthesevenresearchstagesinorder.Activity2FindthesevenstagesinPara.2&3Para.2Stage1findaproblemcontradictorycontradictorytoagreewithorsupportanopin

7、ion,atheory,etc.proofproofsubscribetosubscribetoActivity2FindthesevenstagesinPara.2&3Para.2Stage2askaquestioninvestigateinvestigatedetermineddeterminedtocarefullyexaminethefactsorfindoutthetruthorhowithappenedActivity2FindthesevenstagesinPara.2&3Para.3Stage3thinkofamethodmarkmarkexactexactActivity2F

8、indthesevenstagesinPara.2&3Para.3Stage4collectdataActivity2FindthesevenstagesinPara.2&3Para.3Stage5analyzetheresultsmultiplemultipleHoweverHowevernodeathsnodeathsthewaterpumpwastoblamesuspectsuspectActivity2FindthesevenstagesinPara.2&3Para.3Stage6findsupportingevidenceWhatsmoreWhatsmoreActivity2Find

9、thesevenstagesinPara.2&3Para.3Stage7drawaconclusionAsaresultofthisevidence,.Asaresultofthisevidence,.announceannounceActivity3ReadfordetailedinformationinPara.1What?Itsoneofintheworld,becauseitcausesWhen?Where?Whatresults?themostfeareddiseasesseverediarrhoea,dehydrationIntheearly19thcenturyEuropeMil

10、lionsofpeoplediedfromthediseaseCholeraandevendeath.Snowhadthe_ofthepumpremoved.EActivity3ReadfordetailedinformationinPara.2&3Itwasbelievedthatcholerawascausedby_orgermsin_.ASnow_theplaceswherepeoplewho_hadlived.BbadairfoodorwatermarkedondiedThepumpwatercarried_.DcholeragermshandleamapStepsintheresea

11、rchManydeathsoccurrednearthe_inBroadStreet.Somepeople_drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter_.CwaterpumphadnotfromthepumpdrinkingwaterSnowhadthe_ofthepumpremoved.EActivity3ReadfordetailedinformationinPara.2&3Itwasbelievedthatcholerawascausedby_orgermsin_

12、.ASnow_theplaceswherepeoplewho_hadlived.BbadairfoodorwatermarkedondiedManydeathsoccurrednearthe_inBroadStreet.Somepeople_drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter_.CwaterpumphadnotfromthepumpThepumpwatercarried_.DcholeragermshandleamapResearchmethodtheories

13、processevidenceconclusionsolutiondrinkingwaterActivity3ReadfordetailedinformationinPara.4&51.WhatcausedtheoutbreakofcholerainLondon?A.BadairB.WaterinfectedbyrawwasteC.PollutedairD.Waterpollutedbytheair2.WhywasJohnSnowcalledthefatherofmodernepidemiology(流行流行病学）病学）?Hehelpedpeopleknowhowtopreventcholer

14、a.Hetransformedthewayscientistsstudydiseasesinuseofmapandstatistics.TheStoryofColeraIn the early 19th century,an outbreak of cholera hit Europe,_(cause)millions of deaths.Seeing this,John Snow became frustrated because no one knew how _(prevent)or treat cholera.At that time,doctors had two theories

15、to explain how cholera spread.One was that bad air caused the disease and another was that cholera was caused by germs in food or water.John discovered that in two particular street _ cholera outbreak was _ severe that over 500 people died in ten days.Through his serious _(investigate),he found it w

16、as the pump water in Broad Street _ resulted in the disease.Therefore,he had the handle of the pump _(remove).Fill in the blankcausingto preventthesoinvestigationthatremovedIt turned out that the water from the pump _(infect)by waste.Through Snows tireless efforts,water companies began to sell clean

17、 water,and the threat of cholera around the world saw _ substantial decrease.Snow transformed the way _ scientists study diseases.For this reason,he is considered the father of modern epidemiology.had been infecteda that/in whichFill in the blankEvaluation of John SnowuAs a scientist,he found out _.

18、uAs a doctor,he helped us to _.what caused choleraprevent cholerahard-working lazy patient wise devoted selfish honest generous responsible handsome careful determined，knowledgeable,courage to face difficulties,strong sense of social responsibility,creativity,Whatqualitiesandscientificspiritsdotheyhaveincommon?Group-workingThankyou