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

Howwouldyoudescribethephoto?

Whatscientificequipmentcanyousee?

Wouldyouliketoworkinsuchafieldinthefuture?

Whatqualitiesdoyouneedtobeascientist?JohnSnow

Defeats“KingCholera”Who?How?What?ReadingandthinkingJohnSnow“KingCholera”HOWTOPLAYHowtoPlayHelp[JohnSnow]defeat[KingCholera]Finishthetasktocollecttheitems[KingCholera]London?Goodplace!Let’splayinLondonSomanydeaths…Nooneknewhowtopreventortreatcholera…No…Ishouldnevergiveup.Imustdestroycholera,onceandforall!ButhowcanIstart?MaybeIshouldmakeclearthestagesoftheresearchfirst…Task1:PredictionDiscussthefollowingstagesofscientificresearchinpairs:Whatorderwouldyouputthemin?Task1:PredictionPleasehelpmeputthemincorrectorder.StagesofScientificResearchfindaproblemdrawaconclusioncollectdataaskaquestionfindthesupportingevidenceanalyzetheresultsthinkofamethodMissioncompleted!Yougotan[uncompletedguidebook]![JohnSnow]NowI’mmoreclearabouthowtodefeatcholera.ButasaChinesesayinggoes,“knowtheenemyandknowyourselfandyoucanfightahundredbattleswithnodangerofdefeat.(知己知彼，百战不殆)”Pleasehelpmeknowmoreaboutmyselfandmyenemy,KingCholera.EnterTask2Task2:ScanningReadPara.1andfillintheblanks.JohnSnowKingCholeraIdentity:Symptoms:Consequence:Occupation:Nationality:Desire:oneof_______________________intheworld_______ofpeoplediedfromitwhenithitEuropeintheearly19thcenturyseverediarrhoea,dehydration,andeven_________themostfeareddiseasesdeathBritainMillionsAfamous_______(whoevenattendedto____________whenshegavebirth)

doctorQueenVictoriaTodestroycholeraonceandforall.vomitingdiarrhoeadehydrationCholera：Adiseasethathasclaimedmillionsoflivessincethe19thcentury.Ithashad7severeoutbreaksinhistory.

[JohnSnow]Oneofthemostfeareddisease…Whatcausesit?MaybeIshouldgetsomeinspirationfromothers’opinions.EnterTask3Task3:Read&ChooseReadPara.2andchoosethecorrecttheory.Task3:Read&ChooseIngeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,butheistillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.ThefirsttheoryThesecondtheoryWhichtheoryshouldIchoose?Missioncompleted!Yougotan[unmarkedmap]![JohnSnow]Amap?Amap…Yes!Icandrawamap!Letmesee…EnterTask4(Snowbeganbymarkingonamaptheexactplaceswhereallthosewhodiedhadlived.)ItseemsthatIgotsomeclues…Task4:ReadthemapTask4:ReadthemapObservethemapandanalyzeitwithquestions.Task4:ReadthemapPleasehelpmeanalyzethemapwithquestions.1.Whatdoes“—”mean?HowaboutPH?2.WhichhousenumbershadmorethanfourdeathsinBroadStreet?3.WhichhousenumbershadnodeathsinBroadStreet?4.Whysomehouseholds(2o,21,8and9)hadnodeaths?6.What’syourdeduction/assumption?Thewaterpumpwastoblame.5.What’sthesimilarityamongthehousesinBroadStreet

that

hadmultipledeath?Missioncompleted!Yougota[markedmap]!Pleasehelpmefindmoreevidence.Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholera…[JohnSnow]Thewaterpumpistoblame!NowIamabletoannouncethatthepumpwatercarriedcholeragerms.EnterTask5Hereitis.Letmytrytocombineandcompletetheguidebook…Task5:CarefulreadingWorkingroups.Readpara2&3,findthesentencescorrespondingtothe7stepstocompletetheguidebook.Task5:CarefulreadingTask5:CarefulreadingPleasehelpmecompletetheguidebook.OrderStage1Finaaproblem2Askaquestion3Thinkofamethod4Collectdata5Analyzetheresults6Findingsupportingevidence7DrawaconclusionKeywordsorsentencesTwo_______________theoriesFindout_________Markingonamap______________________________________________________________Multipledeathsnearthe______________________________________hadthewaterdeliveredtoherhouseThepumpwatercarried_______________.choleragermscontradictorywhy16,37,39,40;20,21,8,9;waterpumpAninfectedwomanNodeathsMultipledeathsMissioncompleted!Yougota[completedguidebook]!Thenwhatisthetruth?Accordingly,JohnSnowhadthehandleofthepumpremovedsothatitcouldnotbeused.Throughthisintervention,thediseasewasstoppedinitstracks...EnterTask6Task6:CarefulreadingReadpara4,andfindthetruthoftheinfection.Task6:CarefulreadingTask6:CarefulreadingPleasehelpmefinishtheannouncement.Thetruthwasthat________________________________________Moreover,thereisalinkbetween_______________and______________________________.Somecompaniessoldwater_________________________________________.Thepeoplewhodrankthiswaterwere________________________________________________________________________________

thewaterfromtheBroadStreetpumphadbeeninfectedbywaste.othercasesofcholerathedifferentwatercompaniesinLondon.fromtheRiverThamesthatwaspollutedbyrawwastemuchmorelikelytogetcholerathanthosewhodrankpureorboiledwater.ThroughSnow’stirelessefforts,watercompaniesbegantosellcleanwater,andthethreatofcholeraaroundtheworldsawasubstantialdecrease.However,choleraisstillaproblem.Eachyear,millionsofpeoplearoundtheworldgetcholeraandmanydiefromit.Fortunately,wenowknowhowtopreventcholera,thankstotheworkofJohnSnow.Moreover,inhisuseofmapsandstatistics,Snowtransformedthewayscientistsstudydiseases.Forthisreason,Snowisconsideredthefatherofmodernepidemiology.ReadforDetails(Para.4-5)WhatcontributionsdidJohnSnowmake?Watercompaniesbegantosellcleanwater.Thethreatofcholeraaroundtheworlddecreased.Hehelpedpeopleknowhowtoprevent

cholera.Snowtransformedthewayscientistsstudydiseases.TheFatherofModernEpidemiologyTask7:DiscussionDiscussingroupsaboutthisquestion:WhatmadeJohnSnowdefeatKingCholera?Task7:DiscussionTask7:DiscussionWhatmadeJohnSnowdefeatKingCholera?(e.g.qualities,mindset,spirit…)Itwas…thatmadehimdefeatcholera,since…(supportingdetailsinthepassage)Ibelievethat...helpedhimdefeatcholerabecause…Missioncompleted!Yougota[sciencemedal]!CONGRATULATIONS!Yougota[scroll]!Toraisenewquestions,newpossibilities,toregardoldproblemsfromanewangle,requirescreativeimaginationandmarkstherealadvanceinscience.—AlbertEinstein&LeopoldInfeldAfterReading1.Fillintheblanksaccordingtothetext.Intheearly19thcentury,anoutbreakofcholerahitEurope,_______(cause)millionsofdeaths.seeingthis,JohnSnowbecamefrustratedbecausenooneknewhow________(prevent)ortreatcholera.Atthattime,doctorshadtwotheoriestoexplainhowcholeraspread.Onewasthatbadaircausedthediseaseandanotherwasthatcholerawascausedbygermsinfoodorwater.Johndiscoveredthatintwoparticularstreets____choleraoutbreakwas____severethatover500peoplediedintendays.Throughhisserious____________(investigate),hefounditwasthepumpwaterinBroadStreet_______resultedinthedisease.Therefore,hehadthehandleofthepump________(remove).Itturnedoutthatthewaterfromthepump_____________(infect)bywaste.ThroughSnow'stirelessefforts,watercompaniesbegantosellcleanwater,andthethreatofcholeraaroundtheworldsaw_____substantialdecrease.Snowtransformedtheway__________scientistsstudydiseases.Forthisreason,heisconsideredthefatherofmodernepidemiology.causingtopreventthesoinvestigationthatremovedhadbeeninfectedathat/inwhichAfterthecontainmentofcholera,theBritishgovernmentheldapressconferenceinwhichJohnSnowistoanswerquestionsraisedbydifferentreporters.1.Reporters:raiseatleast3questionsregardinginformationabouthowJohnSnowdefeatedCholera.2.JohnSnow:giveanswersbyusingtheinfrormationfromthetextaswellasyourownunderstandingandinterpretation.3.Presentyourquestionsclearlyandbehavepolitely.Pressconference:1.WhatwasthemostimportanttoolSnowusedtodefeatcholera?Whatcommonmedicaltools,e.g.amicroscope,didn'theuse?Why?2.WhywasitJohnSnow,ratherthanotherdoctors,thatdefeatedcholera?Wascholeradefeatedcompletely?Howtoprevent

thecholera?Howcanwepreventcholera?DrinkandusesafewaterWashyourhandsoftenUsetoiletsCookrawfoodthoroughly,keepitcovered,eatithotCleanupsafelyHomeworkWhatarethecharacteristicsofacriticalthinker?Canyouthinkofanyfamousscientistsorindividualsarounduswhoexhibitcriticalthinking?Describehimorherorally.Logicalreasoning,open-mindedness,curiosity,questioningmind,skepticism,effectivecommunication,problem-solvingskills,analyticalthinking,systematicapproach...brave,persistent,resilient,self-assured,humbleHomeworkWhatarethecharacteristicsofacriticalthinker?Canyouthinkofanyfamousscientistsorindividualsarounduswhoexhibitcriticalthinking?（Writeashortessay）Logicalreasoning,open-mindedness,curiosity,questioningmind,skepticism,effectivecommunication,problem-solvingskills,analyticalthinking,systematicapproach...brave,persistent,resilient,self-assured,humbleAfterReading1.Fillintheblanksaccordingtothetext.Intheearly19thcentury,anoutbreakofcholerahitEurope,_______(cause)millionsofdeaths.seeingthis,JohnSnowbecamefrustratedbecausenooneknewhow________(prevent)ortreatcholera.Atthattime,doctorshadtwotheoriestoexplainhowcholeraspread.Onewasthatbadaircausedthediseaseandanotherwasthatcholerawasca