【課件】Unit+1Reading+and+Thinking+課件人教版（2019）選擇性必修第二冊(cè)

/1.wheredoyouthinkthisphotowastaken?2.Whatarethestudentsdoinginthephoto?Itmaybetakeninachemistrylaboratory.

Twogirlstudentsareconductinganexperiment.

OpeningpageToraisenewquestions,newpossibilities,toregardoldproblemsfromanewangle

requirescreativeimaginationandmarksrealadvanceinscience.―AlbertEinstein&LeopoldInfeld提出新的問(wèn)題，發(fā)現(xiàn)新的可能，從新的角度審視已存在的問(wèn)題，這些需要?jiǎng)?chuàng)造性的想象力，并標(biāo)志著科學(xué)的真正進(jìn)步。―阿爾伯特

?愛(ài)因斯坦

利奧波德

?英費(fèi)爾德WhatqualitiesdidEinsteinandInfeldthinkascientistshouldhave?Imagination,creativity,raisingquestionsandnewpossibilities,andlookingatoldproblemsfromanewangle.UNIT1SCIENCEANDSCIENTISTS

ReadingandThinking:

UnderstandthequestioningmindLead-inWhatisthediseasementionedinthevideo?Covid-19④BesidesCOVID-19,whatotherkindsofepidemics（流行?。ヾoyouknow?bird-flu（禽流感）malaria[m??leri?]（瘧疾）cholera[k?l?r?]（霍亂）Ebola[??b??l?](埃博拉)①②③WhoHelpedDefeatMalaria?

Drawaconclusion得出結(jié)論

Collectdata收集資料

Askaquestion提出假設(shè)

Findaproblem發(fā)現(xiàn)問(wèn)題

Analysetheresults分析結(jié)果

Findsupportingevidence尋找證據(jù)

Thinkofamethod思考方法TuYouyoufollowedthescientificstagestofindoutthecureformalaria.Canyouputthemintherightorder?Didhe/shefollowthesamestagesasTuYouyou?WhoDefeatedCholera?JohnSnow

Defeats“KingCholera”Who?How?What?Mainidea:Thetextismainlyabout_________and______hedefeats___________JohnSnowhowKingCholerascientificresearch?Activity1:Readthetitleandpredict——Whatwillbetalkedabout?Activity2:Fastreading——ReadthewholepassagequicklyandmatchthemainideaPara.1Paras.2-3Para.4Para.5◆HowdidJohnSnowdefeatKingCholera?◆What'sthetruthofKingCholera?◆WhatisKingCholera?

WhoisJohnSnow?◆WhatarethecontributionsandsignificanceofJohnSnow'swork?CholeraWhat?It'soneof________________________intheworld,becauseitcauses

.When?

___________________________Where?_________What’stheresult?___________________________________________themostfeareddiseasesseverediarrhoea,dehydrationandevendeathIntheearly19thcenturyEuropeMillionsofpeoplediedfromthediseaseJohnSnowWho?

A

doctorwhoevenattendto

whenshegavebirth.What?

Hehadadesireto________________onceandforall.BritishQueenVictoriadestroycholeraActivity3:Carefulreading——Readfordetails.FindtheproblemResearch

backgroundThoughbeingfamous,hewasstilldevotedtodefeating“KingCholera”P(pán)ara.1WhatwerethetwotheoriesandwhichdidJohnSnowagreewith?TwocontradictorytheoriesTheoryone:causedby________Theorytwo:causedby_______badairgermsSnowsubscribedto

thesecondtheory.?TwocontradictorytheoriesFindaproblem→AskaquestionHeneededproof.Para.2beerpubNote:——1deathPH:publichouse30,31,…:numbersofhouseswaterpump7Para.3Thinkofamethod→Collectdata1.WhatmethoddidSnowuse?2.Whatdidhefindonthemap?Whatdidhedotodealwithit?AmapofBroadStreetPara.3Analyzetheresults→Findsupportingevidence Snowbeganbymarkingonamaptheexactplaceswhereallthosewhodiedhadlived.ThereweremultipledeathsnearthewaterpumpinBroadStreet(especiallyhousenumbers16,37,38,and40).However,somehouseholds(suchas20and21BroadStreet,and8and9Cambridge8Street)hadhadnodeaths.Thesepeopleworkedinthepubat7CambridgeStreet.Theyhadbeengivenfreebeer,andsohadnotdrunkthewaterfromthepump.Snowsuspectedthatthewaterpumpwastoblame.Whatismore,inanotherpartofLondon,awomanandherdaughterhaddiedofcholeraaftermovingawayfromBroadStreet.Itseemedthatthewomanlikedthewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.…multipleHowevernodeathsthewaterpumpwastoblamePara.3Drawaconclusion Asaresultofthisevidence,JohnSnowwasabletoannouncethatthepumpwatercarriedcholeragerms.Accordingly,hehadthehandleofthepumpremovedsothatitcouldnotbeused.Throughthisintervention,thediseasewasstoppedinitstracks.announcePumpwatercarriedthecholeragerms.Remove

thehandleofthepumpThediseasewasstoppedReadpara.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'tdrinkingwaterfromthepumpcholeragermshandleDCBEAconclusionevidenceprocesssolutiontheoriesP34Para2-3How?ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.Moreover,SnowwaslaterabletoshowalinkbetweenothercasesofcholeraandthedifferentwatercompaniesinLondon.SomecompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste.Thepeoplewhodrankthiswaterweremuchmorelikelytogetcholerathanthosewhodrankpureorboiledwater.1.WhatcausedtheoutbreakofcholerainLondon?A.BadairB.WaterinfectedbyrawwasteC.PollutedairD.Waterpollutedbytheair2.AskquestionsP35

Para.4pollutedbyrawwasteinfectedbywaste1.Q:What________________________________________?A:Snowthoughtthatcholerawascausedbygermsinfoodorwater.2.Q:Why________________________________________________?A:Snowhadthehandleofthepumpremovedsothatitcouldnotbeused.3.Q:How______________________________________?A:ThecholerathreatwasdefeatedthankstotheworkofJohnSnow.causedcholeraaccordingtoSnowdidSnowhavethehandleofthepumpremovedwasthecholerathreatdefeatedAskquestionsOnewaytoapproachareadingpassageistoaskquestionsaboutit.Askingquestionscanhelpyouunderstandthecontent.Itcanalsohelpyouthinkmoredeeplyaboutthetopic.ThroughSnow’stirelessefforts,watercompaniesbegantosellcleanwaterandthethreatofcholeraaroundtheworldsawasubstantialdecrease.However,choleraisstillaproblem.Eachyear,millionsofpeoplearoundtheworldgetcholeraandmanydiefromit.Fortunately,wenowknowhowtopreventcholera,thankstotheworkofJohnSnow.Moreover,inhisuseofmapsandstatistics,Snowtransformedthewayscientistsstudydiseases.Forthisreason,Snowisconsideredthefatherofmodernepidemiology.WhatcontributionsdidJohnSnowmake?Para.5Watercompaniesbegantosellcleanwater.Thethreatofcholeraaroundtheworlddecreased.Hehelpedpeopleknowhowtopreventcholera.S