Unit 1 Science and Scientists Reading and Thinking 课件-高中英语人教版（2019）选择性必修第二册-1

高中英语新人教版选择性必修二SCIENCEANDSCIENTIST

Unit1ReadingandThinking1.TogetinformationaboutJohnSnow,CholeraandhowJohnSnowdefeatedcholera2.TosummarizestagesofscientificresearchbyanalyzinghowJohnSnowdefeatedcholera3.TotalkaboutthesignificanceandcontributionofJohn’sworkLearningObjectivesBesidescoronavirus（冠状病毒）,whatotherkindsofepidemics（流行病）doyouknow?Pre-readingPre-readingJohnSnow

Defeats“KingCholera”Who?How?What?SkimthetitleandpredictionThetextismainlyabout____________and_______hedefeatedkingcholera.JohnSnowhowscientificresearchdrawaconclusionfindaproblemaskaquestioncollectdatafindsupportingevidenceStagesonscientificresearchanalysetheresultsthinkofamethodWhile-readingPara11.WhoisJohnSnow?whatwashisdesire?2.What’scholera?Whatdoes“KingCholerareferto?JohnSnowWho?Whatwashisdesire?A

_________doctor

who

even

____________QueenVictoria

when

she

gave

birth.

He

had

desire

to

________________once

and

for

all.famousattenddestroy

choleraResearch

backgroundcholeraWhat?It’soneof________________________intheworld,whichcauses___________________________________________________.themostfeareddiseasesseverediarrhoea,dehydrationandevendeathWhatdid“KingCholerareferto?

__________________________________________________________________Intheearly19thcenturyanoutbreakofcholerahitEuropeMillionsofpeoplediedfromthedisease.JohnSnowDefeats“KingCholera”Whatdoes“King”implyinthetitle?ThenameofcholeraThecausesofcholeraCholeraspreadfastCholeraispowerfulandhardtocurepara2:

1.Whatarethetwocontradictorytheories?twotheoriesThefirsttheory

Thesecondtheory

Cholerawascausedby_________________.

Cholerawascausedby_______________________________________________________________.

badair

aninfectionfromthegermsinfoodorwater.Heneededproof.2.WhatdidJohnSnowdiscover?While-readingConsequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Itwascorrect,buthestillneededproof.

Hewasdeterminedtofindoutwhy.2.WhatdidJohnSnowdiscover?Para3:Howdidheinvestigatethebreakout?Whatinformationdidhegetfromthemap?markingonamapMultipledeathsnear___________Nodeathsinsomehouseholds(suchas____________inBroadStreet,and_________inCambridgestreetWhile-readingwaterpumpNo.20,21No.8,9Anyothersupportingproof?Whatresultdidhegetfromtheanalysis?Snowsuspectedthatthe_____________wastoblame.AwomanandherdaughterdiedinanotherpartofLondonafterdrinkingwaterfromthepump.JohnSnowwasabletoannounce:

JohnSnowhadthehandleofthepumpremoved.While-readingWhatmeasuresdidJohnSnowtake?waterpumpthatthepumpwatercarriedcholeragerms.Readforthestages.ThinkofamethodCollectdata

AnalysetheresultsFindsupportingevidenceDrawaconclusionFindasolutionStagesofdoingresearchWhatcausedtheoutbreakofcholerainLondon?A.BadairB.WaterinfectedbyrawwasteC.PollutedairD.WaterpollutedbytheairPara.

4:

ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.

…SomecompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste.While-readingpara4:

2.

Was

cholera

destroyed

completely?Para.

5:

.However,choleraisstillaproblem.Eachyear,millionsofpeoplearoundtheworldgetcholeraandmanydiefromit.

…

No.WhatcontributionsdidJohnSnowmake?Watercompaniesbegantosellcleanwater.Thethreatofcholeraaroundtheworlddecreased.Hehelpedpeopleknowhowtopreventcholera.Snowtransformedthewayscientistsstudydiseases.While-readingpara5:

1ConcludemainideaofeachparagraphPara.1Para.2Para.4Para.5WhoisJohnSnowandWhatisKingcholeraPara.3Post-readingTwocontradictorytheoriesHowdidJohnSnowconducthisinvestigationTruthoftheinfectionofcholeraJohnSnow’scontributionsUsethestagesinexamininganewscientificideatodescribeeachparagraph.drawaconclusionfindaproblemaskaquestioncollectdatafindsupportingevidenceWhatcausescholera?Whichtheoryiscorrect?Markinformationonamaptofindoutwherepeoplediedordidnotdie.Findotherevidencetoconfirmtheconclusion.Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.2.SummarizegoodqualitiesofJohnSnowfromdetailsPara.1braveexpertdeterminedcaring,sociallyresponsiblePara.2knowledgeablerigorous(严谨的)Para.3detail-oriented(注重细节的)rigorous(严谨的)/carefulPara.5devotedcreative,innovative(创新的)3.WhatmadeJohnSnowdeterminetodefeattheseverecholera?4.Whatmadehimdefeatit?Whatmadehimgreat?determinationquestioningmindcreativemindCriticalthinkingawiderangeofknowledgediligentdevotioncouragetoovercomechallengestrongsenseofsocialresponsibility3.Whatqualitiesandscientificspiritsdotheyhaveincommon?strongsenseofsocialresponsibilitycri