【课件】Unit 1 Reading and Thinking 课件中英语人教版(2019)选择性必修第二册_第1页
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Unit1ScienceandScientistsReadingandThinkingLearningGoals1GettoknowsomeknowledgeaboutCholera.

2Understandthepassagewell.3Tolearnsomereadingskillsbyscanningandskimming.4To

learn

from

the

great

scientists

and

develop

the

noble

spirits.

Guessinggame:Thesecientiststhatweknow!1.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin

(1808-1882)BritishauthorofTheOriginofSpeciesMarieCurieNothinginlifeistobefeared.Itisonlytobeunderstood.生活中没有什么可怕的东西,只有需要理解的东西。2.Whodiscoveredradium?ThomasEdisonGeniusisonepercentinspirationandninety-ninepercentperspiration.天才就是百分之九十九的汗水加上百分之一的灵感。3.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?TheInventionsofThomasEdison

Phonograph/ˈfəʊnəɡrɑːf/(留声机)Lightbulb(电灯泡)MotionPictures(电影)4.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?Zhang

Hengseismograph/ˈsaɪzməɡrɑːf/5.Whoputforwardatheoryaboutblackhole?Stephen

Hawking(1942---)BritishABriefHistoryofTime6.WhoisthefirstChineseNobelwinnerinphysiologyormedicineandthefirstfemalecitizenofChinatoreceiveaNobelPrize?TuYouyouShewasawardedtheNobelPrizebecauseshediscoveredthe______________tocure__________.artemisininmalaria7.Whoinventedthehybridrice?YuanLongpingHewascalled__________________________.“thefatherofhybridrice”8.Whomadegreatcontributionstothefightagainstthenovelcoronavirus?ZhongNanshanHehasbeencommittedtothestudy,preventionandtreatmentofmajorrespiratory/rəˈspɪrətrɪ/(呼吸道的)diseasesandsignificantlycontributedtotheCOVID-19fight,andwontheMedaloftheRepublic.01020304SARSAIDS05BirdFluCOVID-19EbolainfectiousdiseasesCholera06Theycanbespreadtootherpeople.Theyhaveanunknowncause.Theyaredifficulttocure.Characteristicsofinfectiousdiseases1.WhatarethesymptomsofCholera?2.Whatwastheancientpeople'sreactiontoCholera?3.WhatistheresultofCholera?4.DidtheyhaveacureforCholera?Watchtheshortvideoandfindouttheanswersofthesequestions.n.

症状n.

治愈Whatischolera?1.WhatarethesymptomsofCholera?dehydration(缺水)severevomiting(呕吐)diarrhea(腹泻)Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Whatischolera?Choleraisaninfectiousdiseasethatcausesseverewaterydiarrhea(腹泻),whichcanleadtodehydration(脱水)andevendeathifuntreated.ItiscausedbyeatingfoodordrinkingwatercontainingabacteriumcalledVibriocholerae(霍乱弧菌).Thediseaseismostcommoninplaceswithpoorsanitation(卫生设施),crowdingandwar.CommonlocationsincludepartsofAfrica,southAsia,andLatinAmerica.n.

霍乱2.Whatwastheancientpeople'sreactiontoCholera?Theyfeltratherfrightened.3.WhatistheresultofCholera?Diequicklyfromalossofliquid.4.DidtheyhaveacureforCholera?No.Manyyearsago,aterriblediseasenamedcholeraintheworldkilledmillionsofpeople.Peoplewereveryafraidofit,buttheydidn'tknowwhattodo.Luckily,ayoungdoctordecidedtofindouthowtopreventandtreatthedisease.Finally,thedoctorwonthebattle.JohnSnow

Whatwillbetalkedaboutfromthetitle?JohnSnow

Defeats“KingCholera”Who?How?What?______analysetheresults______askaquestion ______drawaconclusion______collectdata______findaproblem______findsupportingevidence______thinkofamethodDiscussthefollowingstagesofscientificresearchingroups.Whatorderwouldyouputthemin?Listening:mainideaofeachparagraph.Para.1Para.2Para.4Para.5JohnSnowwantedtousehisknowledgetosolvecholera.Hegotinterestedintwotheoriesexplaininghowcholerakilledpeople.Heneededtoprovethesecondtheorywascorrect.Hefinallyfoundoutthatdirtywaterwasthecauseofcholera.Finally“KingCholera”wasdefeated.Para.3Readthepassagequicklyandgetthemainideaofeachparagraph.Skimming:StructureofthepassagePara1FindaproblemPara2Para3Para4Para5MakeaquestionThinkofamethodCollectdataAnalysetheresultsFindsupportingevidenceDrawaconclusionSolutionsandsignificance______analysetheresults______askaquestion ______drawaconclusion______collectdata______findaproblem______findsupportingevidence______thinkofamethodDiscussthefollowingstagesofscientificresearchingroups.Whatorderwouldyouputthemin?5274163What?It'soneof__________________________intheworld,becauseitcauses__________________________________________.When?

___________________________Where?

__________Whatresults?

_________________________________________themostfeareddiseasesseverediarrhoea,dehydrationandevendeathIntheearly19thcenturyEuropeMillionsofpeoplediedfromthediseaseCholeraReadthe1stparagraphquicklyandfillinthemindmap.Task1:Findtheproblem.

Twotheories

Thefirsttheory

badaircausedthediseaseCholerawascausedbyaninfectionfromthegermsinfoodorwater.Proofwasneeded.Thesecondtheory

Readthe2ndparagraphcarefullyandfindoutthetwotheories.Task2:Askaquestion.Itwasbelievedthatcholerawascausedbybad______orgermsin____________.Snow____________theplaceswherethepeoplewho_______hadlived.Manydeathsoccurrednearthe___________inBroadStreet.Somepeople________drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter__________________________.Thepumpwatercarried____________.The________ofthepumpwasremoved.airfoodorwatermarkedonamapdiedwaterpumphadn’tdrinkingcholeragermshandleA.para1:C.B.D.

E.

waterfromthepumpTask3.Readthe3rdparagraphcarefully,

andthenfinishtheprocess.CollectdataandanalysetheresultsFindsupportingevidenceThinkofamethodConclusionSolutionmultipledeathshappenedhere.Nodeathhappenedhere.Thewaterfromthepumpwastoblame.PublichouseClue:freebeerfrompublichouseResult:ThewatercamefromtheriverwhichhadbeenpollutedbythedirtywaterfromLondon.1.WhatcausedtheoutbreakofcholerainLondon?A.BadairB.WaterinfectedbyrawwasteC.PollutedairD.Waterpollutedbytheair

2.WhywasJohnSnowconsideredthefatherofmodernepidemiology?[ˌepɪˌdiːmiˈɒlədʒi]

(1)Hehelpedpeopleknowhowtopreventcholera.(2)Hetransformedthewayscientistsstudydiseasesinuseofmapandstatistics.Task4:ReadPara.4&5carefullytoanswerthetwoquestions.1.Whatquestionswouldyouasktogetthefollowinganswers?1.Q:What_________________________________?A:Snowthoughtthatcholerawascausedbygermsinfoodorwater.2.Q:Why__________________________________________?A:Snowhadthehandleofthepumpremovedsothatitcouldnotbeused.3.Q:How_______________________________?A:ThecholerathreatwasdefeatedthankstotheworkofJohnSnow.causedcholeraaccordingtoSnowdidSnowhavethehandleofthepumpremovedwasthecholerathreatdefeated2.WhatwasthemostimportanttoolSnowusedtodefeatcholera?Heusedmapsandstatisticstoanalysewherethedeathsoccurred.

3.HowhasJohnSnow’sworkaffectedourdailylives?Snow'sworkhasprovidedreadilyavailablecleanwatertodrink,aswellasanemphasis(强调)ontheneedtowashhandsaftertheybecomedirty.Healsoshowedhowtopreventcholeraepidemics(流行病),andtransformedthewayscientistsstudydiseases.Asadoctor,hehelpedusto__________________.Asascientist,hefoundout________________________________________.EvaluationofJohnSnow

whatcausedcholera.preventcholerahardworkdevotiondeterminationpassioncreativityselflessnessstrictattitudeCommoncharacteristicsDiscussion:Whatqualitiesdoyouneedtobeascientist?.Nooneunderstood1._________andeverytimeitcame,thousandsdied.QueenVictoria’sdoctor,JohnSnow,wantedto2.___________howitwascaused.Whenthediseasecameto3.________againin1854,Snowno

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