【課件】Unit1Reading+and+Thinking+課件人教版（2019）選擇性必修第二冊(cè)

UNIT1SCIENCEANDSCIENTISTSReadingandThinkingUnderstandthequestioningmindTeachingobjectives：行業(yè)PPT模板http:///hangye/ToknowaboutJohnSnowandcholera.Tosummarizethemainidea.Tofindoutthestagesofscientificresearchinthispassage01Pre-readingtaketemperaturerunnucleicacidtests（核酸檢測(cè)）getvaccinated（接種疫苗）Areyoufamiliarwiththesesituations?Wehavetookmeasurestofightagainstcoronavirsus!Besidescoronavirus,whatotherkindsofepidemics（流行病）haveyouheardof?Discussthestagesofscientificresearchingroups.DrawaconclusionThinkofamethodCollectresultsAnalysetheresults

AskaquestionFindaproblemFindsupportingevidenceCanyouputtheminorderandtranslatethemintoChinese?

Page2activity1Sevenstagesfindaproblem發(fā)現(xiàn)問(wèn)題askaquestion提出問(wèn)題thinkofamethod思考方法collectdata收集數(shù)據(jù)analyzetheresults分析結(jié)果findsupportingevidence收集證據(jù)drawaconclusion得出結(jié)論Readthetitleandpredict.JohnSnow

Defeats“KingCholera”Who?How?What?02Fast-reading1．What’sthemainideaofthepassage?A．HowJohnSnowfoundthecauseofcholeraanddefeatedit.B．Thecauseofcholerawaspollutedwater.C．Thesourceofalldrinkingwatershouldbeexamined.D．JohnSnowwasawell-knowndoctorinLondon.√Fast-readingformainideasPara1Para2Para4Para5JohnSnowdesired

todestroycholera.JohnSnowdecided

toprovethesecond

theory.Snowbeganhisstudybymarkingonthemapandtheprocess.TruthoftheinfectionofcholeraSnow'scontributionsPara3Readthepassagequicklyandgetthemainideaofeachparagraph.Para1Para2Para4Para5Para3Fast-readingformainideas03Careful-readingJohnSnowWho?

A

doctorwhoevenattendto____________________

whenshegavebirth.What?

Hehadadesireto_____________________onceandforall.BritishQueenVictoriadestroycholeraWhat?

It'soneof__________________________________intheworld,becauseitcauses

.When?

___________________________Where?

_________What’stheresult?

___________________________________________themostfeareddiseasesseverediarrhoea,dehydrationandevendeathIntheearly19thcenturyEuropeMillionsofpeoplediedfromthediseaseReadpara.1quicklyandfillinthemindmap.CholeraReadpara.2carefullyandanswerthequestions.proof1.Whatarethetwotheories?investigate2.WhichofthefollowingtheoriesdidJohnSnowbelieve?Acloudofdangerousgaswouldfloatarounduntilitfounditsvictims.Peopleabsorbedcholeragermsintotheirbodieswiththeirmeals.Peoplegotinfectedwithcholerabecauseofpollutedair.Peoplesufferedfromcholerabecausetheywerenotclean.√Para.3Stage3thinkofamethodStage4collectdataStage5analyzetheresultsStage6findsupportingevidenceStage7drawaconclusionFindthesevenstagesinPara.3Para.3Stage3thinkofamethodmarkmapFindthesevenstagesinPara.3publichouse酒吧deathnumbersofhousesObservethemapandanalyseitwithquestionsPara.3Stage6findsupportingevidenceMultipledeathshappenedhere.Nodeathhappenedhere.PublichouseClue1:Theydrunkthewaterfromthepump.Clue2:TheydrunkfreebeerfromthePublichouse.WaterpumpClue3:Shehadthewaterfromthepumpdeliveredtoherhouseeveryday.WhydidawomanandherdaughterdiedofcholeraaftermovingawayfromBroadStreet？Whichhousenumbershadmorethan4deathsinBroadStreet？Why?WhichhousenumbershadondeathsinBroadStreet？Why?Para.3Stage7drawaconclusionAsaresultofthisevidence...announceTask2.ReadPara.2and3carefullyandfinishactivity3onPage3.A.Itwasbelievedthatcholerawascausedby_______orgermsin______________.D.Thepumpwatercarried_______________.C.Manydeathsoccurrednearthe______________inBroadStreet.Somepeople_________drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter__________________________.B.Snowbeganby____________________________theplaceswherepeople_____________.E.The_________ofthepumpwasremoved.badairfoodorwatermarkingonthemapdiedhadlivedwaterpumphadnotdrinkingwaterfromthepumpcholeragerms1.conclusion__2.evidence__3.process__4.solution__5.theories__DCBEAhandleCompleteactivity3and4onP3.ReadPara.4and5carefullytoanswerthefourquestions.WhatcausedtheoutbreakofcholerainLondonin1854?Wascholeradestroyedcompletely?Howcanwepreventcholera?WhywasJohnSnowconsideredthefatherofmodernepidemiology?1.

What

caused

the

outbreak

of

cholera

in

London

in

1854?The

water

which

came

from

the

River

Thames

and

had

been

infected

by

waste.Para.

4:

ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.

…SomecompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste.ReadPara.4and5carefullytoanswerthefourquestions.2.

Was

cholera

destroyed

completely?No.Para.

5:

ThroughSnow’stirelessefforts,watercompaniesbegantosellcleanwater,andthethreatofcholeraaroundtheworldsawasubstantialdecrease.However,choleraisstillaproblem.Eachyear,millionsofpeoplearoundtheworldgetcholeraandmanydiefromit.

…ReadPara.4and5carefullytoanswerthefourquestions.However3.

How

can

we

prevent

cholera?By

drinking

pure

or

boiled

water.Para.

4:

ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.

…

Thepeoplewhodrankthiswaterweremuchmorelikelytogetcholerathanthosewhodrankpureorboiledwater.a.干凈的ReadPara.4and5carefullytoanswerthefourquestions.4.

WhywasJohnSnowconsideredthefatherofmodernepidemiology?Hetransformedthewayscientistsstudydiseasesinuseofmapandstatistics.Para.

5:…Fortunately,wenowknowhowtopreventcholera,thankstotheworkofJohnSnow.Moreover,inhisuseofmapsandstatistics,Snowtransformedthewayscientistsstudydiseases.Forthisreason,SnowisconsideredthefatherofepidemiologyReadPara.4and5carefullytoanswerthefourquestions.Forthisreason,Snowisconsideredthefatherofepidemiology04Post-reading1．HowdidJohnSnowfindoutthecauseofthedisease?Bylivingintheareawherecholerabrokeout.Bymarkingonamaptheexactplaceswhereallthedeadpeoplehadlived.Bytellingtheterrifiedpeoplehowtopreventit.Bysavingthedyingpeoplesufferingfromcholera.√2．Afterhemadefurtherinvestigations，JohnSnowfound

.choleramultipliedintheairpeopleabsorbedthisdiseaseintotheirbodieswiththeirmealsthewaterfromthepollutedpumpwastoblamefliesspreadthedisease√3．WhydidSnowsuspectthewaterpumpwastoblame?A．BroadStreetwitnessedalotofdeaths.B．Itwasclearthatthewaterinthepumpwaspolluted.C．Awomanandherdaughtermovedaway.D．Thosepeopleworkinginthepubsurvived.√4.Wheredoesthispassageprobablycomefrom?A．Anewspaper.B．Amedicalreport.C．Abookreview.D．ATVinterview.√1.Whatquestionswouldyouasktogetthefollowinganswers?Q:What______________________________?A:Snowthoughtthatcholerawascausedbygermsinfoodorwater.Q:Why_________________________________________?A:Snowhadthehandleofthepumpremovedsothatitcouldnotbeused.Q:How___________________________?A:ThecholerathreatwasdefeatedthankstotheworkofJohnSnow.causedcholeraaccordingtoSnowdidSnowhavethehandleofthepumpremovedwasthecholerathreatdefeated2.