UNIT1SCIENCEANDSCIENTISTSReadingAndThinking-高二英语精美课件人教版选择性

JohnSnowDefeatedKingCholeraUNIT1SCIENCEANDSCIENTISTSReadingAndThinkingAreyoufamiliarwiththesesituation?Besidescoronavirus,whatotherkindsofepidemicsdoyouknow?WatchavideoaboutcholeraWhatarethesymptoms(症状)ofCholera？severevomiting(呕吐)diarrhea(腹泻)dehydration(脱水)JohnSnow,(bornMarch15,1813,York,Yorkshire,England—diedJune16,1858,London),Englishroyalphysicianknownforhisseminalstudiesofcholeraandwidelyviewedasthefatherofcontemporaryepidemiology.JohnSnowDefeatsKingCholeraLookatthetitleandthenlistentothepassagetogetinformationabouttheinfectiousdisease.Who?How?What?Thetextismainlyabout___________and_____hedefeated____________.JohnSnowhowCholeraWhatdoes“King”implyinthetitle?Choleraispowerfulandhardtocure

Discussthefollowingstagesofscientificresearchingroups.Whatoderwouldyouputthemin?findaproblemaskaquestionthinkofamethodcollectdata

analysetheresults

findsupportingevidencedrawaconclusionJohnSnowDefeatsKingCholera

collectedanalyseddatafoundthecauseofthediseasedefeatedit

How?Usethestagesinexamininganewscientificideatodescribeeachparagraph.para1para2para3para4para5findaproblemaskaquestioncollectdatafindsupportingevidencedrawaconclusionWhatcausescholera?Whichtheoryiscorrect?Markinformationonamaptofindoutwherepeoplediedordidnotdie.Findotherevidencetoconfirmtheconclusion.Thewateristoblame.Thesourceofalldrinkingwatershouldbeexaminedsothatitissafe.P1JohnSnowA

_________doctor

who

even

attend

_______________when

she

gave

birth.

He

had

desire

to

________________once

and

for

all.famousQueen

Victoriadestroy

choleraTheory1:causedby________Theory2:causedby________aninfectionfromgermsbadairWhichtheorydidhesubscribeto?Whatwerethetwocontradictorytheories?P2P31.WhatmethoddidJohnSnowuse?2.Whatdidhefindonthemap?Whatdidhedotodealwithit?AmapofBroadStreetManydeathshappenedhere.Nodeathshappenedhere.beerpubFindsupportingevidence&DrawaconclusionPlacePersonEventInanotherpartofLondon

AwomanandherdaughterDiedofcholerabecauseofdrinkingthewaterdeliveredfromthepump

Remove

thehandleofthepumpThediseasewasstopped.Pumpwatercarriedthecholeragerms.ReadfromPara.2-3againandcompletethechartbelow.A:Itwasbelievedthatcholerawascausedbybad____orgermsin_______________.C:Manydeathsoccurrednearthe___________inBroadStreet.Somepeople__________drunkthewaterfromthepump,andlived.D:Thepumpwatercarried____________.E:The_______ofthepumpwasremoved.B:Snow___________________theplaces

wherethepeoplewho_____hadlivedAwomanandherdaughterdiedinanotherpartofLondonafter________________________.airfoodorwatermarkedonthemapdiedwaterpumphadn’tdrinkingwaterfromthepumpcholeragermshandleP4ThewaterfromtheBroadStreetpumphadbeeninfectedbywaste.SomecompaniessoldwaterfromtheRiverThamesthatwaspollutedby

.WhatcausedtheoutbreakofcholerainLondonin1854?rawwasteP5Watercompaniesbegantosellcleanwater.Thethreatofcholeraaroundtheworldsawasubstantialdecrease.WeknowhowtopreventcholerathankstotheworkofJohnSnow.Snowtransformedthewayscientistsstudydiseases.WhatcontributionsdidJohnSnowmake?AskquestionsOnewaytoapproachareadingpassageistoaskquestionsaboutit.Askingquestionscanhelpyouunderstandthecotent.Itcanalsohelpyouthinkmoredeeplyaboutthetopic.PostReadingWriteoutthequestionsaccordingtotheanswer.A:Snowthoughtthatcholerawascausedbygermsinfoodorwater.A:Snowhadthehandleofthepumpremovedsothatitcouldnotbeused.Q:WhatQ:WhydidJohnSnowthinkcausedthecholera?didJohnSnowhavethehandlefromthepumpremoved？Q:Howwasthecholera?A:ThecholerathreatwasdefeatedthankstotheworkofJohnSnow.WhatqualitiesdoyouthinktheJohnhas?bravedeterminedstrong-willeddetail-oriented(注重细节的)rigorous(严谨的)/carefulhard-workinginnovative(创新的)passionate(有激情的)ambitiousdeligentSupposeyouwereatimetravelerandhappenedtobetheassistantofJohnSnow,canyougivetheboysomeadviceonsavinghisfather?Combinedwiththemodernmedicalknowledge,howtopreventthecholera?SafeWater(安全用水)-Drink:Boiled/chlorinated/filteredwater(煮沸/氯化/过滤水)-Avoid:Untreatedwater(未处理水)-Store:Clean,coveredcontainers(干净密封容器)Sanitation&Hygiene(卫生防疫)-Toilets:Improvedfacilities(改良卫生设施)→Noopendefecation(禁止露天排便)-Hands:Soap+safewater(肥皂+安全水)→Beforeeating/aftertoilet(饭前便后)-Surfaces:Disinfect(消毒)→Kitchencounters/doorknobs(厨房台面/门把手)Combinedwiththemodernmedicalknowledge,howtopreventthecholera?FoodSafety(食品安全)-Eat:Thoroughlycooked,hotfood(彻底煮熟的热食)-Avoid:Rawseafood(生海鲜)/undercookedfood(未煮熟食物)/unpasteurizeddairy(未巴氏杀菌乳制品)-Fruits/