Unit+1+Science+and+Scientists+Reading+and+Thinking 高中英語人教版（2019）選擇性必修第二冊

新人教版選擇性必修Book2Unit1ScienceandScientistsReadingandThinkingP1-4LearningobjectivesInthisclass,youwillgetinformationaboutwhatischolera;getinformationaboutwhoisJohnSnow;getinformationabouthowJohnSnowdefeatedcholera;summarizethestagesofscientificresearch;talkaboutthesignificanceandcontributionofJohn’swork;learnthelanguagepointsofthepassage;finishthecorrespondingexercises.LeadinGetvaccinatedSelf-isolationMaskup

WesticktogethertodefeatCOVID-19.

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??AnepidemicjustlikecoronavirushitEuropeintheearly19thcentury,doyouknowwhatitis?Cholerainfectionbeginsinthestomach.Approximately1in10peoplewhogetsickwithcholerawilldevelopseveresymptomssuchaswaterydiarrhea(腹瀉),vomiting(嘔吐),andlegcramps(腿痛性痙攣).CholeraDeathoffirstcholeracaseinLondonduringthe1848-49epidemicPreviouscholeraepidemicinGreatBritainin1831-321.Discussthefollowingstagesofscientificresearchingroups.Whatorderwouldyouputthemin?StagesofScientificResearch______analysetheresults ______askaquestion______drawaconclusion ______collectdata______findaproblem ______findsupportingevidence______thinkofamethodHerearesomefactsaboutcholera.Trytopresentthemtoyourpartnersandconsiderwhethertheyarethesameasyouexpected.1.Choleracankillsuffererswithinafewhoursiftheyareleftuntreated.2.Researchershaveestimatedthateachyearthereare1.3millionto4millioncasesofcholera,and21,

000to143,

000deathsworldwideduetocholera.3.Upto80%ofcasescanbesuccessfullytreatedwithoralrehydrationsolution(口服補(bǔ)液).4.Safewaterandwastecontrolcanpreventcholera.5.Whenthereisanoutbreakofcholera,itisimportanttofocusontreatmentandwastecontrol.6.Safeandeffectivecholeravaccines(疫苗)arenowusedtocontrolthedisease.7.Today,nocountryrequiresproofofcholeravaccinationasaconditionforentry.2.Skimthepassagetoseeiftheorderyoudecidedabovewascorrect,andfindthemainideaofthepassage.JohnSnowwasawell-knowndoctorinLondon.ThecauseofCholerawaspollutedwater.Thesourceofalldrinkingwatershouldbeexamined.HowJohnSnowcollected,analyseddataandfoundthecauseofthediseaseanddefeatedit.drawaconclusionfindaproblemaskaquestioncollectdatafindsupportingevidenceWhatcausescholera?Whichtheoryiscorrect?Markinformationonamaptofindoutwherepeoplediedordidnotdie.Findotherevidencetoconfirmtheconclusion.Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.Usethestagesinexamininganewscientificideatodescribeeachparagraph.Rereadthewholetextquicklyandmatchthemainidea.Para.1Para.2Para.4Para.5JohnSnowdesiredtodestroycholera.JohnSnowdecidedtoprovethesecond

theory.Snowbeganhisstudybymarkingonthemap.Truthoftheinfectionofcholera.Snow’scontributions.Para.3FastreadingCarefulreadingCholeraSnowIt'soneof________________________intheworld,becauseitcauses_________________________________________._______________________(time),anoutbreakofcholerahit_______,milionsofpeople______________________.Herosetobecome_________________,andeven_______________QueenVictoria

whenshegavebirth..Snowbecame________becausenooneknew_________________.However,hehadadesireto________________onceandforall.themostfeareddiseasesseverediarrhoeaanddehydrationandevendeathPara1

Intheearly19thcenturyEuropediedfromthediseasefrustratedhowtopreventortreatcholeraafamousdoctorattendedtodestroycholeraThoughbeingfamous,hewasstilldevotedtodefeating“KingCholera”

Para1What&who?Theoryone:_______Theorytwo:_______SymptomsSymptoms（癥狀）coughsneezerunnynoseDiarrhoeadehydrationbadaircausedthediseaseaninfectionfromgermsinfoodorwaterPara2

WhatwerethetwotheoriesandwhichdidJohnSnowagreewith?Snowsubscribedto

thesecondtheory.AmapofBroadStreet-”CholeraMap”WhatmethoddidSnowuse?1)Whichhouseshadmorethan4deathsinBroadStreet?2)WhichhouseshadnodeathinBroadStreet?Multipledeathshappenedhere.Nodeathhappenedhere.Hesuspectedthatthewaterfromthepumpwastoblame.

Para3

Readpara.2-3againandcompletethechartbelow.A:Itwasbelievedthatcholerawascausedbybad___orgermsin___________.B:Snow_______________theplaceswherethepeople

who____hadlived.

C:◆

Manydeathsoccurrednearthe__________inBroadStreet.◆

Somepeople________drunkthewaterfromthepump,andlived.◆

AwomanandherdaughterdiedinanotherpartofLondonafter_____________________.D:Thepumpwatercarried_____________.E:The______ofthepumpwasremoved.Matchthefollowingheaderswiththelettersfromthechartabove.WriteA-Eintheblanks.1.conclusion2.evidence3.process4.solution5.theories__________________________________airfoodorwatermarkedonamapdiedwaterpumphadn'tdrinkingwaterfromthepumpcholeragermshandleDCBEAconclusionevidenceprocesssolutiontheoriesPara2-3How?ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.Moreover,SnowwaslaterabletoshowalinkbetweenothercasesofcholeraandthedifferentwatercompaniesinLondon.SomecompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste.Thepeoplewhodrankthiswaterweremuchmorelikelytogetcholerathanthosewhodrankpureorboiledwater.Para4TruthWhatcausedtheoutbreakofcholerainLondon?A.BadairB.WaterinfectedbyrawwasteC.PollutedairD.WaterpollutedbytheairItwasbelievedthatcholerawascausedby_______orgermsin__________.Thepumpwatercarried___________.Manydeathsoccurrednearthe______________inBroadStreet.Somepeoplewholivednearthepumpworkedinthepuband_________drunkthewaterfromthepump,andlived.Awomanandherdaughterhaddiedafter________________________,becauseshehadthewater_________________everyday.Snowbeganby_______________theplaceswherepeople_________.Snowhadthehandleofthepump_________.badairfoodorwatermarkingdiedhadlivedwaterpumphadnotmovingawayfromBroadStreetdeliveredtoherhousecholeragermsremovedTheoriesProcessEvidenceConclusionSolutionSummaryPragmaticanalysis

1.Whydoestheauthorwritethispassage?2.Whatattitudedoestheauthorhold?Findoutyoursupportingevidence.3.Inwhatorderdoesthepassagedevelop?Findoutthesignposts.

Tointroducethep