Unit1ScienceandscientistsReadingandthinking课件-高二英语人教版(2019)选择性

Unit1SCIENCEANDSCIENTISTSCOVID-19(新型冠状病毒):aninfectiousdiseaseIntheearly19thcentury,aninfectiousdiseasesimilartoCOVID-19hitEurope.Thetextismainlyabout____________and_______hedefeatedkingcholera.howJohnSnowNow,let'sreadthepassagetogetinformationabouttheinfectiousdisease.JohnSnowDefeated“KingCholera”Step3.While-readingJohnSnowdesiredtodestroycholera.JohnSnowdecidedtoprovethesecondtheory.Snow'scontributionsPara.1Para.4Para.3Para.21.Listenandmatchthemainideaswitheachparagraph.Para.5Snowbeganhisstudybymarkingonthemapandtheprocess.Truthoftheinfectionofcholera.2.Readthe1stparagraphquicklyandfillinthemindmap.CholeraWhatIt'soneof______________________intheworld,becauseitcauses____________________________________________.When_______________________Where_______________________Whatresults_______________________themostfeareddiseasesseverediarrhoea,dehydrationandevendeath.Intheearly19thcenturyEuropeMillionsofpeoplediedfromthedisease3.ReadPara.2and3toanswerthequestion.1.Whatarethetwocontradictorytheories.①Badaircausedit.②Itwascausedbyaninfectionfromthegermsinfoodorwater.2.HowdidJohnSnowdotheresearchA.Byusingmapsandstatistics.B.Bydrinkingthewaterhimself.C.Byquestioningthepatients.D.Byexperimentingwithhimself.3.WhyhadsomehouseholdshadnodeathsA.Beerwasacureforthedisease.B.Theylivedfarawayfromthewaterpump.C.Theyhadnotdrunkthewaterfromthepump.D.Theyworkedinthepubat7CambridgeStreet.4.HowdidJohnSnowstopthepeoplefromusingthewaterfromthepumpA.Bytellingpeoplethatthewaterwaspolluted.B.Byaskingwatercompaniestosellpurewater.C.Byremovingthehandleofthewaterpump.D.Bydrinkingmorefreebeer.multipledeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseClue:freebeerfrompublichouseResult:ThewatercamefromtheriverwhichhadbeenpollutedbythedirtywaterfromLondon.Readthepassageagainandcompletethechartbelow.Itwasbelievedthatcholerawascausedbybad______orgermsin____________.Snow____________theplaceswherethepeoplewho_______hadlived.Manydeathsoccurrednearthe___________inBroadStreet.Somepeople________drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter__________________________.Thepumpwatercarried____________.The________ofthepumpwasremoved.airfoodorwatermarkedonamapdiedwaterpumphadn’tdrinkingcholeragermshandleA.C.B.D.

E.

waterfromthepumpMatchthefollowingheaderswiththelettersfromthechartabove.WriteA-Eintheblanks.1.conclusion______2.evidence______3.process______4.solution______5.theories______DCBEA5.ReadPara4andanswerthequestionsbelow.1.Whatcausedcholera'soutbreakintheBroadStreetThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.2.HowwerepeopleinfectedwiththevirusofcholeraSomecompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste.Thepeoplewhodrankthiswaterweremuchmorelikelytogetcholerathanthosewhodrankpureorboiledwater.6.ReadPara5carefullyandfillintheblanks.Theresult:ThroughSnow’stireless

,watercompaniesbegantosell

,andthethreatofcholeraaroundtheworldsawasubstantial

.

,choleraisstillaproblem.Eachyear,

ofpeoplearoundtheworldgetcholeraandmany

it.effortscleanwaterdecreaseHowevermillionsdiefromBelowisasummaryofthetextwithsomewordsmissing.Choosetherightwordsfromtheboxandmakethesummarycomplete.Thentrytoretellthestorytoyourpartners.most,river,London,understood,water,sourcesNoone1.__________choleraandeverytimeitcame,thousandsdied.QueenVictoria’sdoctor,JohnSnow,wantedtofindouthowitwascaused.Whenthediseasecameto2.________againin1854,SnowLondon

understood

noticedthat3.________ofthe500peoplewhodiedhaddrunkthewaterfromawaterpumpinBroadStreet.Heconcludedthatthe4.________wastoblameandfoundthatthepump’swatercamefromadirty5.________.Afterhestoppedpeoplefromusingthepump,peoplegraduallystoppeddying.Snowsuggestedall6.________ofwaterbecheckedandwatercompaniestakecarenottosupplypeoplewithdirtywater.