Unit 1 Reading and Thinking 教案-2022-2023学年高中英语人教版2019选择性必修第二册

2019新人教高中英语选择性必修二Unit1ScienceandScientistsReadingandThinking公开课教案Teachingaims:Enablestudentstofigureoutthestructureofthepassagebyanalyzingthemainideaofeachparagraph.Identifytheprocessofscientificresearchandlearnaboutthecharacteristicsofgreatscientists.Expressstudents’opinionsonhowtodefeatcholeraandimprovetheirabilityofaskingquestions.Teachingkeypoints:Leadstudentstolearnabouttheprocessofdoingscientificresearch.Helpstudentsanalysethediscoursestructureandlanguagefeatures.Inspirestudentstoformtheabilityofquestioning.Teachingdifficultpoints:Instructstudentstofigureoutthediscoursestructureandlanguagefeatures.Leadstudentstoexpresstheiropinionsonthecharacteristicsofgreatscientists.Teachingprocedures:StepⅠLead-inWatchandthink.1.Whatisthevideomainlyabout?2.Doyouknowwhoisthefirstmantodefeatcholera?Andhow?Suggestedanswers:1.Thevideoisaboutcholeraincludingitsspread,harmandhowtodefeatcholera.2.ByreadingthepassageIknowit’sJohnSnowwhoisthefirstmantodefeatcholera.StepⅡPre-readingDiscussthefollowingstagesofscientificresearchingroups.Whatorderwouldyouputthemin?·analysetheresults·askaquestion·drawaconclusion·collectdata·findaproblem·findsupportingevidence·thinkofamethodSuggestedanswers:findaproblem→askaquestion→thinkofamethod→collectdata→analysetheresults→findsupportingevidence→drawaconclusionStepⅢWhile-reading1.Scanthepassageandwritedownthekeywordsofeachparagraph.Paragraph1:Paragraphs2&3:Paragraph4:Paragraph5:2.ReadParagraph1andanswerthequestions.Cholera(1)What?____________________(2)When?Where?__________________________(3)Whatconsequence?_________________________JohnSnow(1)Who?Heneverlosthisdesireto____________onceandforall.

(2)What?A__________doctorwhoevenattendedto__________.

Suggestedanswers:While-reading1.Paragraph1:What?Who?Paragraphs2&3:How?Paragraph4:TruthParagraph5:Resultsandsignificance2.Cholera(1)Adiseasewhichcausesdiarrhoea,dehydration,andevendeath.(2)Intheearly19thcentury;InEurope.(3)Millionsofpeopledied.JohnSnow(1)destroycholera(2)famous;QueenVictoria3.Paragraphs2&3Activity1ReadParagraph2andanswerthequestions.(1)Howmanytheorieswerethereaboutcholera’sspread?Andwhatwerethey?(2)WhichonedidJohnSnowagreewith?(3)Howseverewasthecholeraoutbreakinthattwoparticularstreets?Activity2Finishthefollowingchart.StagesKeywordsorsentences(1)Markingonamap(2)Housenumbers16,37,38,and40;20and21BroadStreet;8and9CambridgeStreetAnalysetheresults(3)Findsupportingevidence(4)(5)Asaresultofthisevidence,JohnSnowwasabletoannouncethatthepumpwatercarriedcholeragerms.Suggestedanswers:3.Activity1(1)Thereweretwotheories.Onetheorywasthatbadaircausedthedisease.Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.(2)Heagreedthatcholerawascausedbyaninfectionfromgermsinfoodorwater.(3)Morethan500peoplediedin10days.Activity2(1)Findaproblem(2)Collectdata(3)Thereweremultipledeathsnearthewaterpumpandsomehouseholdshadhadnodeaths.(4)Awomanandherdaughterhaddiedandthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.(5)Drawaconclusion4.Paragraph4(1)What’sthemainideaofParagraph4?(2)Howcanwepreventcholera?Suggestedanswers:(1)ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.(2)Weshoulddrinkpureorboiledwater.5.Paragraph5What’stheinfluenceofSnow’sstudyonscience?Suggestedanswers:Hehelpedpeopleknowhowtopreventcholera.Hetransformedthewayscientistsstudydiseasesbyusingmapsandstatistics.StepⅣPost-readingPragmaticanalysis1.What’sthewriter’spurposeforwritingthepassage?2.Towhomdoestheauthorwritethispassage?Suggestedanswers:1.TotellreadershowJohnSnowdefeatedcholeraandhisinfluenceonscientificresearch.2.Tothosewhoareinterestedinscienceandscientists.Criticalthinking1.Whatkindofspiritsandqualitiesarenecessarytobeascientist?2.Discussingroups.AccordingtoJohnSnow’sscientificresearch,pleaseshareyouropinionsonhowtodefeatcholera.Suggestedanswers:1.Tobeascientist,oneshouldhavethefollowingspiritsandqualities:patience,intelligence,diligence,strongwills,ambitionandsoon.Thegreatnessofscientistsliesnotonlyintheirlastingefforts,butalsotheirselflesscontributiontoabettersatisfyingworld.2.Theanswersmayvary.StepⅤSummaryWhen1.outbreakofcholerahitEurope,millionsofpeoplediedfromthedisease.Afamousdoctor2.(name)JohnSnowneverlosthisdesire3.(destroy)choleraonceandforall.Snowbelievedthatcholera4.(cause)byaninfectionfromgermsinfoodorwater,butheneededproof.Snowbeganby5.(mark)onamaptheexactplaces6.allthosewhodiedhadlived.Snowsuspectedthatthewate