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

主讲人：新建二中SallySectionA

ReadingandThinkingUnit1ScienceandScientistsLearningObjectivesFindoutthestagesofscientificresearchinthispassage.LearnaboutJohnSnow’sresearchprocessExpressyourideaonthegiventopicthroughcreativethinking2021/11/05Activity1:Predicting:Whatwillbetalkedabout?JohnSnow

Defeats“KingCholera”Who?How?What?cholera/ˈkɒlərə/Activity

1:

Readthetitle

and

predict.

Activity

1:

Readthetitle

and

predict.

Who

was

John

Snow?HowdidJohnSnowdefeatKingCholera?Whatdoes“King”implyinthetitle?WhatisKingCholera?aBritishdoctor.Heconductedresearchandfoundouthowcholeraspread.Choleraispowerfulandhardtocure.oneofthemostfeareddiseasesandmillionsofpeoplediedfromitintheearly19thcentury.Para.2Findaproblem→Askaquestion1.Whatarethetwotheories?WhichtheorydidJohnSnowthinkwasreasonable?2.WhatdidJohnSnowinvestigatewhenanotheroutbreakhitLondonin1854?Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Anotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,buthestillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.Para.31.WhatmethoddidSnowuse?2.Whatdidhefindonthemap?Whatdidhedotodealwithit?Snowbeganbymarkingonamaptheexactplaceswhereallthosewhodiedhadlived.ThereweremultipledeathsnearthewaterpumpinBroadStreet(especiallyhousenumbers16,37,38,and40).However,somehouseholds(suchas20and21BroadStreet,and8and9Cambridge8Street)hadhadnodeaths.Thesepeopleworkedinthepubat7CambridgeStreet.Theyhadbeengivenfreebeer,andsohadnotdrunkthewaterfromthepump.Snowsuspectedthatthewaterpumpwastoblame.Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemedthatthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.Asaresultofthisevidence,JohnSnowwasabletoannouncethatthepumpwatercarriedcholeragerms.Accordingly,hehadthehandleofthepumpremovedsothatitcouldnotbeused.Throughthisintervention,thediseasewasstoppedinitstracks.Whatdoestheredstarsstandfor?multipledeathshappenedhere.Whatdoesthegreenstarsstandfor?Nodeathhappenedhere.Why?CLUE:freebeerfrompublichouseSuspectthatthewaterfromthepumpwastoblame.Butheneededproofs!1.WhatmethoddidSnowuse?2.Whatdidhefindonthemap?Whatdidhedotodealwithit?AmapofBroadStreetPara.3Para.2&3：ReadfordetailedinformationItwasbelievedthatcholerawascausedby_______orgermsin_____________.ASnow_________________theplaceswherepeoplewho_____hadlived.BManydeathsoccurrednearthe__________inBroadStreet.Somepeople_______drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter____________

______________.CThepumpwatercarried____________.DSnowhadthe_______ofthepumpremoved.EbadairfoodorwatermarkedonamapdiedwaterpumphadnotdrinkingwaterfromthepumpcholeragermshandletheoriesprocessevidenceconclusionsolutionWhileReading6.ReadPara4-5andanswerthequestionsbelow.TheFatherofModernEpidemiologyWatercompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste,causingpeoplewhodrankthiswatertogetmalaria.1)Watercompaniesbegantosellcleanwater.2)Thethreatofcholeraaroundtheworlddecreased.3)Hehelpedpeopleknowhowtoprevntcholera.4)Snowtransformedthewayscientistsstudydiseases.2.WhatcontributionsdidJohnSnowmake?1.WhatcausedtheoutbreakofcholerainLondonin1854?WhileReadingStageKeywordsorsentences1.2contrarytheories2.intwoparticularstreetthecholerawassosevere.....findoutwhy3.markingonthemap4.housesnumber16,37,38and40;20and21;8and95.multipledeathnearthewaterpump;somehouseshadnodeath.6.awomanandherdaughterhaddied,thewomanlikedthewater....haditdeliveredtoherhouse7.JohnSnowannouncedthatthepumpwatercarriedcholeragerms.analysetheresultaskaquestiondrawaconclusioncollectdatafindsupportingevidencethinkofamethodfindaproblemRigorousattitudetoscienceCriticalthinkingCreativityP4-5.Putthefollowingscientificstagesinrightorder.Makesentencesdiefromonceandforallingeneralsubscribetodeterminetodosth.betoblameasaresultofthanksto1.Thisisbecausemillionsofchildren________diseasesthatcanbepreventedthroughvaccines.2._________yourhelp,weaccomplishedthetaskaheadofschedule.3.Wehavetoresolvethismatter______________.4.Inever___________the“customerisalwaysright”theory.5.Nomatterwhatyou_______________,Iwouldsidewithyou.6.Iftheirforceswerenotinvolved,thenwho__________?7.________,Japanesecarsareveryreliableandbreakdownsarerare.8.Millionswillfacehunger_____________severenaturaldisasters.diefromThankstoonceandforallsubscribetodeterminetodoistoblameIngeneralasaresultofPost-readingInordernottogetinfectedwithdisease,whatshouldwepayattentiontoinourdailylife.Drinkboiledwater.Washyourhandsoften.Cookrawfoodthoroughly.Dealwithrubbishtimelyandproperly.Heatthefoodleftovernight.Remembertowearamaskwhengoingout.重点单词一遍过severe

severeweather恶劣天气severewinter寒冬severepain剧痛severe

adj

严重的extremelybadorserious：severedamage/aseveredrought

严厉的；苛刻的：beseverewithoneself

严峻的；激烈的：aseverewinterseverecompetition词汇拓展►severelyadv严重地；严厉地：aseverelypollutedlakeAnyonebreakingthelawwillbeseverelypunished.subscribevi

订阅（报纸、杂志等）：subscribetoTime

定期交纳（会费）；定期捐款：subscribetoacharity

认购（股份）subscribeto［正式用语］同意；赞成：Allscientistssubscribetotheviewthattheincreaseintheearth’stemperatureisduetotheburningoffossilfuels.重点单词一遍过温故知新根据所给汉语，完成句子。I’mafraid

Ican’t________________________（同意）thetheory.agreewith/subscribetosubscribeto是正式用语重点单词一遍过suspectThelawsIlove,thelawyersIsuspect.——CharlesChurchill西方人向来不乏对律师的揶揄之词。这句话译作“我热爱法律，但我怀疑律师。”说到怀疑，我们很容易想到doubt，这里为什么用suspect呢？doubt和suspect有什么区别呢?suspect

v[不用于进行时]

vt&vi猜想；怀疑

tobelievethatsthmayhappenorbetrue：Thedoctorssuspectedcancer.Shestronglysuspectedhe

waslyingtoher.She’snotgoingtobeveryhappyaboutthis,Isuspect.

vt怀疑（某人有罪）tothinkthatsbisprobablyguiltyofacrime：suspectsbof(doing)sth:Theysuspecthimofatheft.Thepolicemansuspectedhimofkillingthegirl.n[C]嫌疑犯；可疑分子：questionasuspectadj

不可信的；可疑的：asuspectpackage辨析suspect，doubtsuspect：tobelievethatsthbadmayhappenormay

betrue认为某事会发生，尚缺少依据。

Thepolicemansuspectedherofstealingthewallet.AJokeTeacher:Betty,youmadesomanymistakesinyourexercises,surelyyourmotherwillblameyou!Betty:

Blamemeforthem?Oh,no.Onthecontrary,sheistoblame,becauseitwasshethatdidmyhomeworkinstead.blame

vt

责备；把……归咎于

tosayorthinkthatsb/sthisresponsibleforsthbad:You’vefailedtodowhatyouwereexpectedtoandI’mafraidtheteacherwillblameyou.

①blamesb/sthfor(doing)sth:Whilewecan’tchangethebodytypewearebornwith,wecan’tblameourgenesformakingusfat.Onceyouformthehabitofblamingsomebodyorsomethingelseforabadsituation,youarealoser.广东②blamesthonsb/sth:Policeareblamingtheaccidentondangerousdriving.【常见搭配】betoblame(forsth)（对某事）负有责任：It’sallmyfault.I’mtoblame.Whoistoblameforthefire?n

[U]（对错误/坏事应负的）责任；责备responsibilityforamistakeorsthbad：take/beartheblameWheredoestheb