高考英语一轮复习 unit1 great scientists导学案 新人教版必修5

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1、河北省武邑中学2016届高考英语一轮复习Unit1Greatscientists导学案新人教版必修5JOHNSNOWDEFEATS“KINGGHOLERA”JohnSnowwasafamousdoctorinLondon—soexpert,indeed,thatheattendedQueenVictoria1.____herpersonalphysician.Buthebecame2.______(inspire)whenhethoughtabouthelpingordinarypeople3._________(

2、expose)tocholera.Thiswasthedeadlydiseaseofitsday.Neitheritscause4.______itscurewasunderstood.Somanythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.JohnSnowwantedtofacethechallengeandsolvethisproblem.Heknewthatcholerawouldneverbecontrolled5._______its

3、causewasfound.Hebecameinterestedintwotheories6._____possiblyexplainedhowcholerakilledpeople.Thefirstsuggestedthatcholeramultipliedintheair.Acloudofdangerousgasfloatedarounduntilitfounditsvictims.Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodieswit

4、htheirmeals.Fromthestomachthediseasequicklyattackedthebodyandsoonthe7._________(affect)persondied.JohnSnowsuspectedthatthesecondtheorywascorrectbutheneededevidence.SowhenanotheroutbreakhitLondonin1854,hewasreadytobeginhisenquiry.Asthediseasespreadquicklythroug

5、hpoorneighbourhoods,hebegantogatherinformation.Intwoparticularstreets,thecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.Firsthemarkedonamaptheexactplaces8.________allthedeadpeoplehadlived.Thisgavehima9._________(value)

6、clueaboutthecauseofthedisease.ManyofthedeathswerenearthewaterpumpinBroadStreet(especiallynumbers16,37,38and40).Healsonoticedthatsomehouses(suchas20and21BroadStreetand8and8CambridgeStreet)hadhadnodeaths.Hehadnot10.________(foresee)this,sohemadefurtherinvestigat

7、ions.Hediscoveredthatthesepeopleworkedinthepubat7CambridgeStreet.Theyhadbeengivenfreebeerandsohadnot11._________(drink)thewaterfromthepump.Itseemedthatthewaterwastoblame.Next,JohnSnowlookedintothesourceofthewaterforthesetwostreets.Hefoundthatitcamefromtheriver

8、12.__________(pollute)bythedirtywaterfromLondon.HeimmediatelytoldtheastonishedpeopleinBroadStreettoremovethehandlefromthepumpsothatitcouldnotbeused.Soonafterwardsthediseasesloweddo