Unit+1+Science+and+Scientists+Reading+and+Thinking+课件【知识专讲精研】高中英语人教版（2019）选择性必修第二册

Unit1ScienceandScientistsReadingandthinkingDesignedbyMr.YangBook5Teachingobjectives1.Findoutthestagesofscientificresearchinthispassage.2.LearnaboutJohnSnow’sresearchprocess3.ExpressyourideaonthegiventopicthroughcreativethinkingOpeningpageToraisenewquestions,newpossibilities,toregardoldproblemsfromanewangle,requirescreativeimaginationandmarksrealadvanceinscience. AlberEinstein&LeopoldInfeldWhichofthefollowingstatementisNOTTrue?A.Raisingquestionsinscientificresearchisnotimportant.B.Tohandleproblemsinanewangleisrecommended.C.Scientificadvanceoftenneedscreativeimagination.D.Hardworkiscrucialinordertomakeprogressinscience.WarmingupAreyoufamiliarwiththesesituations?takenucleicacidtests

getvaccinated做核酸检测接种疫苗

PositivemeasuresaretakentofightagainstCovid-19.WarmingupBesidescoronavirus,whatotherkindsofepidemics(流行病)doyouknow?bird-flu（禽流感）malaria（疟疾）plague（鼠疫）Ebola(埃博拉)PredictionAccordingtothetitleandpictures,thestoryisgoingtotellusinformationabout...JohnSnow

Defeats

“KingCholera”Who?How?What?Thetextismainlyabout____________and_______hedefeatedkingcholera.howJohnSnowscientificresearch?Wecanpredictthat…StagesofBeforereadingStagesofscientificresearchThink:Whatorderwouldyouputthemin?DrawaconclusionCollectdataAskaquestion

Findaproblem

Analyzetheresults

Findsupportingevidence

ThinkofamethodFastreadingReadthepassagequicklyandchoosethecorrectkeywordstosummarizeeachparagraph.ParagraphsMainidea12-345What?Who?How?ThetruthResultsandsignificanceCarefulreading1.Readthefirstparagraphandcompletethefollowingtasks.1.WhowasJohnSnow?_________________________________2.Didhehaveapromisingcareer?____________________________________________________________________________________________________________________________________3.Whatishisgreatestcontributiontotheworld?__________________________________________________________________4.WhatarethesymptomsofCholera?_________________________________________________________________________5.WhatwasJohnsnowfrustratedwith?_____________________________________________________________________________HewasaBritishdoctor.Yes,hebecameafamousdoctorlater,attendedQueenVictoria,anddestroyedCholera.Hedefeated“KingCholera”andsavedmanypeople.Theillnesscausesseverediarrhoea,dehydrationandevendeath.Becausenooneknewhowtopreventortreatcholera.Carefulreading2.Readpara.2-3,tofindkeywordsandsentencesinsupportofeachstageinscientificresearch.Andcheckwhetheryouputthemincorrectorder.orderStageKeywordsorsentencesanalyzetheresultsaskaquestiondrawaconclusioncollectdatafindaproblemfindsupportingevidencethinkofamethodTwocontradictorytheories.Intwoparticularstreets，thecholeraoutbreakwassosevere…findoutwhy.markingonamap·housenumbers16，37，38，and40·20and21BroadStreet，8and9CambridgeStreet·multipledeathsnearthewaterpump·somehouseholdshadhadnodeaths·awomanandherdaughterhaddiedofcholera·thewomanlikedthewaterfromthepumpsomuch…..Asaresultofthisevidence,JohnSnowwasabletoannouncethatthepumpwatercarriedcholeragerms. Carefulreading3.Readpara.2-3andcompletethefollowingtasks.1.Whatarethetwotheories?______________________________________________________2.WhichtheorydoesSnowapproveof?______________________________________________________3.Whatdidhediscover?________________________________________________________Onetheory….；anotherwas…Snowsubscribedtothesecondtheory.Hediscoveredthatintwoparticular...intendays.whythetwostreetsweresosevere?Carefulreading4.Basedonpara.4,markonthemaptheexactplaces.Whatdoestheredstarsstandfor?multipledeathshappenedhere.Whatdoesthegreenstarsstandfor?Nodeathhappenedhere.Why?CLUE:freebeerfrompublichouseSuspectthatthewaterfromthepumpwastoblame.Butheneededproofs!Carefulreading5.Readpara.3andcompletethefollowingtasks.Butheneededproofs!1.Isthewoman’sdeathlinkedtothewaterpump?Why?2.What’sJohn’sconclusion?3.WhatmeasuredidJohntaketopreventcholera?Yes,becausealthoughshemovedaway,shediedfromdrinkingwaterfromthepump.Didthemeasureproveeffective?Carefulreading6.ReadPara.4-5andcompletethefollowingtasks.1.WhatdidSnowfindlater?SnowprovedthewaterfromtheBroadStreetpumphadbeenaffectedbywaste.Moreover,SnowshowtherewasalinkbetweenothercasesofcholeraandthedifferentwatercompaniesinLondon.2.WhatdidJohnSnowachieve?CarefulreadingReadthepassageagainandcompletethechartbelow.A:Itwasbelievedthatcholerawascausedbybad____orgermsin_______________.B:Snow_____________theplaces

wherethepeoplewho______hadlivedC:Manydeathsoccurrednearthe_______________inBroadStreet.Somepeople__________drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter_______________________________.D:Thepumpwatercarried________________.handleE:The_______ofthepumpwasremoved.airfoodorwatermarkedondiedwaterpumphadn’tdrinkingwaterfromthepumpcholeragermsMatchthefollowingheaderswiththelettersfromthechartabove.WriteA-Eintheblanks.CarefulreadingReadthepassageagainandcompletethechartbelow.A:Itwasbelievedthatcholerawascausedbybad____orgermsin_______________.B:Snow_____________theplaces

wherethepeoplewho______hadlivedC:Manydeathsoccurrednearthe_______________inBroadStreet.Somepeople__________drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter_______________________________.D:Thepumpwatercarried________________.handleE:The_______ofthepumpwasremoved.airfoodorwatermarkedondiedwaterpumphadn’tdrinkingwaterfromthepumpcholeragermsconclusionevidenceprocesssolutiontheoriesMatchthefollowingheaderswiththelettersfromthechartabove.WriteA-Eintheblanks.SummaryStagesofScientificResearch1.Findaproblem:Whatcausedacholera?2.Askaquestion：Whichtheoryisright?3.Thinkofamethod：Gatheredevidence，analyzedtheresultsandremovedthehandleofthepump.4.Drawaconclusion:Thetr