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Task1ScanningReadthepassageandnumbertheseeventsintheorderthattheyhappened.______JohnSnowbegantotesttwotheories.______AnoutbreakofcholerahitLondonin1854.______JohnSnowmarkedthedeathsonamap._______Heannouncedthatthewatercarriedthedisease.______JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere._____KingCholerawasdefeated._____Hefoundthatmostofthedeathswerenearawaterpump.________Hehadthehandleremovedfromthewaterpump.21473856Task2Fastreading1.What’sthemainideaofthetext?A.JohnSnowwasafamousdoctorandhehadtwotheoriesabouthowcholerawasspread.B.JohnSnow,afamousdoctor,whotestedthetwotheories,foundthecauseofcholeraandhowtocontrolit.C.JohnSnow,asafamousdoctor,warnedpeoplenottodrinkthepollutedwater.D.JohnSnowandhistwofamoustheoriesaboutcholeraweregreat.2.JohnSnowdiscoveredthatsomefamilieshadhadnodeathsbecause____.A.peopleinthesefamilieswerestrongandhealthy.B.peopleinthesefamilieswereallfamousdoctorsandknewhowtoprotectwater.C.peopleinthesefamiliesdidn’tdrinkbeerorwater.D.peopleinthesefamiliesweregivenafreebeerandhadn’tdrunkthepollutedwater.3.HowdidJohnSnowprovethetheory?A.JohnSnowwasreadytotesttheories.B.JohnSnowbegantocollecttheinformation.C.JohnSnowmarkedonamapwhereallthepeoplehadlived.D.Allofabove4.JohnSnowwassureenoughthatpollutedwatercarriedthediseaseofcholerabecause____.A.manyofthedeathswerenearthewaterpumpinBroadStreetB.thecholeraoutbreakwassoseverethatmorethan500peoplediedin10daysC.hefoundtwootherdeathsinanotherpartofLondonthatwerelinkedtotheBroadStreetoutbreakD.hewassofamousandbelievedinthetheories5.WhatmadeJohnSnowfindthecauseofcholera?A.Kindness,carefulnessandgoodobservation.B.Strongdetermination,patience,andselfishness.C.Hiswifewasaffectedbycholera.D.QueenVictoriaorderedhimtodothis.6.Whywascholeracalled“KingCholera”inthetext?A.Becausecholeracausedmanydeaths.B.BecauseitgotitsnamefromQueenVictoria.C.Becausecholerawasthemostdeadlydiseaseofitsday.D.Becauseitwasdefeatedwiththehelpoftheking.Task3.ChallengeyourvocabularyI.词汇过关1.特征,特性n.__________2.受害者n.________3.分析vt.__________4.认为；怀疑vt__________5.询问n.__________6.outbreakn.________7.严重的;剧烈的;严厉的adj.____________8.线索；提示n._________9.挑战n.vt._________10.curen.&vt._________11.医生,n._____________12.putforward__________characteristicvictimanalysesuspectenquiry爆发;发作severecluechallenge治愈；痊愈physician提出Ⅱ.1.结论,结束(n.)____________;结论,结束,推断(v.)_____________2.调查（vt.＆vi.）_____________;（调查.）n.______________3.科学的(adj.)_____________;科学(n.)_____________;科学家（n.）______________4.传染；感染（vt）___________;传染的（adj.）_____________concludeconclusioninvestigateinvestigationscientificsciencescientistinfectinfectiousYorkTask1Findoutthemainideas(ortopicsentence)ofeachparagraph.Paragraph1:________________________Paragraph2:________________________Paragraph3:_______________________Paragraph4:________________________Paragraph5:_______________________Paragraph6:_______________________Paragraph7:________________________Deadlydisease:choleraoutbreakinLondonTwopossibletheoriesLookforevidence.Markinformationonamaptofindoutwherepeoplediedordidnotdie.AnalysethewaterFindothersupportingevidencesThepolluteddirtysourceofdrinkingwaterwastoblame.Task2.Readthetextagainandanswerthefollowingquestions:1WhatarethetwotheoriesJohnSnowgotinterestedin?Thetwotheoriesare:Thefirstsuggestedthatcholeramultipliedintheairwithoutreason.Thesecondsuggestedthepeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.2.WhatdidJohnSnow’experienceshow?JohnSnowhadshownthatcholerawasspreadbygermsandnotinacloudofgas.3.Howtopreventthediseasehappeningagain?Topreventthisfromhappeningagain,JohnSnowsuggestedthatthesourceofallwatersuppliesbeexaminedandnewmethodsofdealingwithpollutedwaterbefound.4.What’sthepurposeofthetext?•A.Toshowushowdifficultitwastofindacureforcholera.•B.TotellushowJohnSnowfoundthecauseofcholeraandthecureforit.•C.Toshowushowdifficultitwastocarryoutexperimentsatthattime.•D.Totellusthewaycholeraspreadandhowseriousitwas.Task3.Analyzeandtranslatethefollowingsentences1.JohnSnowwasafamousdoctorinLondon–soexpert,indeed,thatheattendedQueenVictoriaasherpersonalphysician.[思考]attend词义：_____________personalphysician.词义：___________句意：照顾私人医生约翰.斯诺是伦敦一位著名的医生-----他的医术精湛，因而成了维多利亚女王的私人医生。2.Hebecameinterestedintwotheoriesthatpossiblyexplainedhowcholerakilledpeople.[分析]本句式是一个主从复合句。主句为Hebecameinterestedintwotheories,其中thatpossiblyexplainedhowcholerakilledpeople.是_______从句，修饰___________,that在从句中作_________;how引导的是___________从句定语twotheories主语宾语3.Awoman,whohadmovedawayfromBroadStreet,likethewaterfromthepumpsomuchthatshehaditdeliveredtoherhouseeveryday.[分析]主句主干为Awomanlikethewaterfromthepump；who引导的是___________从句对woman进行补充说明；so…that…在此引导_________状语从句，意为“_____________”;haveitdelivered为havesth.done结构,“让、请别人做某事”。非限制性定语结果状语如此….以致于4.Topreventthisfromhappeningagain,JohnSnowsuggestedthatthesourceofallthewatersuppliesbeexamined.suggest在此句中是________的意思[思考]suggest的用法是：建议suggest表示“建议”时，从句要用虚拟语气，从句谓语用(should)+do形式。suggest表示“表明，暗示”时，从句不用虚拟语气。Step4GroupDiscussion•Choleraisa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?Twodiseases,whicharesimilartoday,ar