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人教版(2019)选择性必修二
Unit1SCIENCEANDSCIENTISTSPeriod1ReadingandThinking1.ToreadabouthowJohnSnowdefeated“KingCholera”2.Toworkoutthestagesofscientificresearch3.Tounderstandtheimportantroleofquestioningspiritinscientificresearch.4.Tosolvethereadingtasksbythinkinglogicallyandcooperatingwithpeers.LearningObjectivesHowwouldyoudescribethephoto?Whatscientificequipmentcanyouseeinasciencelaboratory?Whatqualitiesdoyouneedtobeascientist?OpeningpageDiscussthefollowingstagesofscientificresearchinpairs.Whatorderwouldyouputthemin._____analyzetheresults_____askaquestion_____drawaconclusion_____collectdata_____findaproblem_____thinkofamethod_____findsupportingevidenceActivity1Pre-readingJOHHSNOWDEFEETS“KINGCHOLERA”Who?How?What?WhywasitJohnSnow,nototherdoctors,whodefeatedKingCholera?Pleasequicklybrowsethetitle,andpredictthecontentofthepassage.WhowasJohnSnow?WhatisKingCholera?WhatdidJohnSnowdoaboutKingCholera?Activity1Pre-readingSkimthepassageandusekeywordstosummarizethemainideaofeachparagraphtoseeifwhatyouhavepredictedwerecorrect.Activity2While-readingParagraph(s)Mainidea1What?Who?2-3How?4Thetruth5ResultsandsignificanceSkimthepara.2¶.3again
andunderlinethekeywordsorsentencestoseeiftheorderyoudecidedinActivity1wascorrect.Workinpairs.Activity2While-readingOrderStageKeywordsorsentences1234567FindaproblemThinkofamethodCollectdataAskaquestionAnalysetheresultsDrawaconclusionFindsupportingevidence1.Findaproblem3.Thinkofamethod4.Collectdata2.Askaquestion5.Analysetheresults7.Drawaconclusion6.FindsupportingevidenceWhatkindofmapitis?Activity3FindingsupportingdetailsIt’sSnow’choleramap.BroadStreetManydeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseThewaterwasfromtheriverwhichhadbeenpollutedbythedirtywaterfromLondon.Atwasbelievedthatcholerawascausedbybad_____orgermsin_____________(A)Snow________theplaceswherethepeoplewho______hadlived.(B)Manydeathsoccurrednearthe___________inBroadStreet.(C)Somepeople______drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter__________________________.Thepumpwatercarried_____________(D)The_______ofthepumpwasremoved.(E)airfoodorwatermarkeddiedwaterpumphadnotmovingawayfromBroadStreetcholeragermshandle1)conclusion____________2)evidence_____________3)process_____________4)solution_____________5)theories_____________Matchthefollowingheaderswiththelettersfromthechartabove.writeAEintheblanks.DCBEA1.JohnSnowbelievedidea2wasright.Howdidhefinallyproveit?JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.Activity4Groupdiscussion2.DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap?No.ThemaphelpedJohnSnoworganizehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.3.Choleraisa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?SARSandCovid-19.
Becausetheyarebothdeadlyandfatallyinfectious,haveanunknowncauseandneedseriouspublichealthcaretosolvethemurgently.JohnSnowwasawell-known
inLondoninthe_
_century.Hewantedtofindthe
ofcholerainordertohelppeople
(infect)
withit.In1854whenacholera
London,hebegantogatherinformation.He
(mark)
onamap
allthedeadpeoplehadlivedandhefoundthatmanypeoplewhohad__
(drink)thedirtywaterfromthe_
died.Sohedecidedthatthepollutedwater
(carry)cholera.Hesuggestedthatthe
ofallwatersuppliesshouldbe_________(examine)andnewmethodsofdealingwith_______(pollute)waterbefound.Finally,“KingCholera”as
.Activity5Consolidatewhatyouhavelearnedbyfillingintheblanks:
doctor
19th
cause
defeated
infected
hit
where
drunk
pump
carried
source
examined
marked
pollutedThestoryofcholeraAskandanswer:1.WhatwasitthatJohnSnowshowedtotheworld?2.WhatwasSnow’sdiscoveryintwo
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