Unit 1 Reading and Thinking 课件 -2023-2024学年高中英语人教版（2019）选择性必修第二册

授课时间：授课教师：教学目标：经过本课学习，学生能够：1.获取梳理文中有关JohnSnow本人和他调查并阻止霍乱蔓延的事实性信息。；2.阅读JohnSnow探究霍乱病源的记叙文，结合JohnSnow的研究；过程梳理科学研究的基本步骤，思考John身上所体现的科学精神品质；3.能够概括文本内容。教学重点：正确理解并准确找出文中的科学研究基本步骤；教学难点：引导学生寻找科学研究基本步骤的关键词组或句子。Unit1ScienceandScientistsLesson1ReadingandThinking(1)1.Whatcanyouseeinthephoto?Twogirlsareconductinganexperimentinaschoolsciencelaboratory,probablytotestatheory,verifyresults,collectdata,ordevelopskillsneededinscientificresearch.2.WhatqualitiesdoEinsteinandInfeldthinkascientistshouldhave?Tosolveascientificproblem,onenotonlyrequiressomedegreeoftechnicalskillbutalsoneedstheabilitytoaskquestionsandtoseethingsinanewway.Toraisenewquestions,newpossibilities,toregardoldproblemsfromanewangle,requirescreativeimaginationandmarksrealadvanceinscience.--AlbertEinsteinandLeopoldInfeldOtherqualities:hard-working,patient,passionate,enthusiastic,devoted...

LearningObjectives1.understandtheimportanceofaquestioningmindbyanalyzingJohnSnow’sscientificspirits.2.understandhowJohnSnowdefeated“KingCholera”byfindingstagesofscientificresearch.3.summarizethetextaftercatchingdetailsbyscanningandskimmingandreviewingitsmainidea.Whatdiseasecanyouthinkofwhenyoulookatthesepictures?COVID-19Besidescoronavirus,whatotherkindsofepidemics（流行病）doyouknow?Bird-flumalariaplague（鼠疫）

EbolaSmallpox（天花）CholeraReadingandThinkingonPage2JohnSnowDefeats“KingCholera”JohnSnowDefeated“KingCholera”WhatisCholera?WhoisJohn

Snow?HowdidhedefeatColera?Whatwillbetalkedaboutfromthetitle?Cholerawasoneofthemostfeareddiseasesintheworld.Whatischolera?Whatharmdoescholeradotopeople?Whyisitcalled“KingCholera”?Choleracausesseverediarrhoea(腹泻),dehydration(脱水)andevendeath.Becauseitwassopowerfulthatitkilledmillionsofpeopleduringoneoutbreakaloneanditcausesotherdeadlyillnesses.Whatischolera?WhoisJohnSnow?(Para.1)AyoungBritish

whoeven

QueenVictoriawhenshegavebirth.Hehadadesireto

.onceandforall.doctorattendedtodestroycholeratakecareof/lookafter

Thefollowingaresevenstepsofscientificresearch.

Whatorderwouldyouliketoputthemin?(Activity1onpage2)

analyzetheresults

askaquestion

drawaconclusion

collectdata

findaproblem

findsupportingevidence

thinkofamethodHowdidJohnSnowdefeat“KingCholera”?How:ResearchStepsStep1Itwasbelievedcholerawascausedby

orgermsin_____________.How:ResearchStepsStep1Itwasbelievedcholerawascausedby

orgermsin_____________.badairfoodorwaterfindaproblemStep2Snowwasdeterminedtofindout

.

.How:ResearchStepsStep1Itwasbelievedcholerawascausedby

orgermsin_____________.foodorwaterfindaproblemStep2Snowwasdeterminedtofindout

.

.whytheoutbreakwassosevereintwoparticularstreets

askaquestionStep3Snow

theplaceswherethepeoplewho

hadlived.markedonamapdiedthinkofamethod(Para.3)WatchavideoaboutJohn

SnowandtheCholera.BROADSTREETWhatkindofmapisit?It’sSnow’scholeramap.Whatdoes“—”mean?Itmeansonedeath.Whatdoes“PH”mean?Itmeanspublichouse,ahousesuchasbarorpubwherealcoholicdrinksaresoldtothepublic.Whatdoes30,31,...referto?Theyrefertonumbersofhouses.Step4

Thenumberofdeathsindifferent

householdswasrecorded.collectdatamultipledeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseClue:freebeerfrompublichouseadj.数量多的Step5Multipledeathsoccurrednearthe

inBroadStreet,whilesomepeoplewho______

drunkthewaterfromthepump,lived.analyzetheresultspumphadn’tStep6findsupportingevidenceStep7drawaconclusionWhatistheresultofJohnSnow’sresearch?Thepumpwatercarriedcholeragerms,thehandleofthepumpwasremoved,andthediseasewasstoppedinitstracks.handle(Para.3)Checkyourorder(Activity1onpage2)

analyzetheresults

askaquestion

drawaconclusion

collectdata

findaproblem

findsupportingevidence

thinkofamethod6543217

Challengeyourshortmemory

Readparagraph2&3again,closeyourbook,andcompletethechartbelow.

(Activity3&4onpage3)

airfoodorwatermarkedonamapdiedwaterpumphadn’t

drinkingwaterfromthepumpcholeragermshandleairfoodorwatermarkedonamapdiedwaterpumphadn’t

drinkingwaterfromthepumpcholeragermshandleMatchthefollowingheaderswiththeletters(A-E)fromthechartbelow.1conclusion

.

2evidence

.

3process

.4solution

.5theories

.

AEBCDWhatcausedtheoutbreakofcholerainLondonin1854?WhatcontributionsdidJohnSnowmaketoscience?ThecholerawascausedbythewaterwhichcamefromtheRiverThamesandhadbeeninfectedbywaste.①②③④(Para.4)(Para.5)Fillintheblanksaccordingtothetext.

Intheearly19thcentury,anoutbreakofcholerahitEurope,_______(cause)millionsofdeaths.Seeingthis,JohnSnowbecamefrustratedbecausenooneknewhow_________(prevent)ortreatcholera.Atthattime,doctorshadtwotheoriestoexplainhowcholeraspread.Onewasthatbadaircausedthediseaseandanotherwasthatcholerawascausedbygermsinfoodorwater.Johndiscoveredthatintwoparticularstreet_____choleraoutbreakwas____severethatover500peoplediedintendays.Throughhisserious____________(investigate),hefounditwasthepumpwaterinBroadStreet_______resultedinthedisease.Therefore,hehadthehandleofthepump________(remove).causingtopreventthesoinvestigationthatremovedItturnedoutthatthewaterfromthepump_______________(infect)bywaste.ThroughSnow'stirelessefforts,watercompaniesbegantosellcleanwater,andthethreatofcholeraaroundtheworldsaw____substantialdecrease.Snowtransformedtheway________________scientistsstudydiseases.Forthisreason,heisconsideredthefatherofmodernepidemiology.Fillintheblanksaccordingtothetext.hadbeeninfectedthat/inwhichaHomework:summarizeYourfriendJackisinterestedinJohnSnowdefeats“KingCholera”.Pleasewriteasummary(about80words)ofthepassageforhim.

Whatischolera?WhoisJohnSnow?HowdidJohnSnowdefeat“KingCholera”?WhatcontributionsdidJohnSnowmaketoscience?ReviewCholera,causingdeathandothersevereillnesses,usedtobeoneofthemostscareddiseasesintheworld,untilayoungBritishdoctor,neverlosinghisdesiretodefeatcholera,showedhowitcouldbeovercome.Atfirst,itwasbelievedcholerawascausedbybadairorgermsinfoodorwater.Snowsubscribedtothelatter.WhenanoutbreakstruckLondonin1854,Snowdeterminedtofindoutwhytheoutbreakwassosevereintwoparticularstreets.ThenSnowmarkedonamaptheplaceswherethepeoplewhodiedhadlived.OnthemapthenumberofdeathsindifferenthouseholdswasrecordedandmultipledeathsoccurrednearthepumpinBroadStreet,whilepeoplewhohadn’tdrunkthewaterfromthepump,lived.What’smore,awomanandherdaughterhaddiedofcholerabecausetheyhadthewaterdeliveredtotheirhouseaftermovingaway.Asaresult,itwasprovedthatthepumpwatercarriedcholeragermsandthehandlewasremoved.Consequently,thetruthwasthatthewaterwhichcamefromtheRiverThameshadbeeninfectedbywaste.ThankstoSnow’stirelessefforts,thethreatofcholeradroppedsubstantially,peoplenowknowhowtoprotectthemselvesfromgettingcholera.Snowchangedthewayscientistsstudydiseasessoheisregardedasthefatherofmodernepidemiology.OnesampleHowtowriteasummaryTip1AnalyzethestructureTip2FindtopicsentencesandkeyphrasesTip3ReplacethewordswithsimilarexpressionsTip4UseproperlinkingwordsTip1AnalyzethestructureWho&WhatHowtodefeatTruthAchievementsPleasedividethepassgaeintofourparts.Tip2FindtopicsentencesandkeyphrasesPart1(Para.1)Cholera,causingdeathandothersevereillnesses,usedtobeoneofthemostfeareddiseasesintheworld,untilayoungBritishdoctorwhoneverlosthisdesiretodestroycholerashowedhowitcouldbeovercome.Tip3Replacethewordswithsimilarexpressionsparticipialphrases(分词短语)attributiveclause(定语从句)Tip2FindtopicsentencesandkeyphrasesPart1(Para.1)Cholera,causingdeathandothersevereillnesses,usedtobeoneofthemostfeareddiseasesintheworld,untilayoungBritishdoctorwhoneverlosthisdesiretodestroycholerashowedhowitcouldbeovercome.Tip3ReplacethewordswithsimilarexpressionsCholera,causingdeathandothersevereillnesses,usedtobeoneofthemostscareddiseasesintheworld,untilayoungBritishdoctorneverlosinghisdesiretodefeatcholerashowedhowitcouldbeovercome.Part2(Para.2-3)

First...Second...Third...Atlast...Atfirst...Then...What’smore...Moreover...Asaresult...Tip4UseproperlinkingwordsPart2(Para.2-3)Atfirst,

Itwasbelievedcholerawascausedbybadairorgermsinfoodorwater.Snowsubscribedtothelatter.WhenanoutbreakhitLondonin1854,Snowdeterminedtofindoutwhytheoutbreakwassosevereintwoparticularstreets.ThenSnowmarkedonamaptheplaceswherethepeoplewhodiedhadlived.OnthemapthenumberofdeathsindifferenthouseholdswasrecordedandmultipledeathsoccurrednearthepumpinBroadStreet,whilepeoplewhohadn’tdrunkthewaterfromthepumplived.What’smore,awomanandherdaughterhaddiedofcholerabecausetheyhadthewaterdeliveredtotheirhouseaftermovingaway.Asaresult,itwasprovedthatthepumpwatercarriedcholeragermsandthehandlewasremoved..Part3ThetruthwasthatthewaterwhichcamefromtheRiverThameshadbeeninfectedbywaste.Part4ThankstoSnow’stirelessefforts,thethreatofcholeradroppedsubstantially,andpeoplenowknowhowtoprotectthemselvesfromgettingcholera.

Snowchangedthewayscientistsstudydiseasesso

heisregardedasthefatherofmodernepidemiology.Tip3ReplacethewordswithsimilarexpressionsTip4UseproperlinkingwordsPracticeTip2Findtopicsentencesandkeyphrases(Para.4)(Para.5)Cholera,causingdeathandothersevereillnesses,usedtobeoneofthemostscareddi