新课标高二必修五- u1课件reading

新课标高二版必修五Greatscientists1Reading1.Discovertheusefulwordsandexpressions.

2.Learnandimprovetheuseofusefulwordsandexpressions.TeachingaimsTHEFATHEROFMODERNEPIDEMIOLOGY

流行病学

之父JohnSnow(1813–1858)wasa

Britishphysicianandaleaderintheadoptionofanaesthesiaandmedicalhygiene.Heisconsideredtobeoneofthefathersofepidemiology,becauseofhisworkintracingthesourceofacholeraoutbreakinSoho,England,in1854.CholeraEpidemicsinEngland

英国霍乱瘟疫1831–1832 : 22,000deaths死亡个案1848–1849 : 52,000deaths死亡个案1853–1854 : JohnSnow’swork

斯诺医生的工作ItwasagainstthisbackgroundofconfusionthatJohnSnowcarriedouthiswork.斯诺医生就是在这种混乱的背景中展开工作。

MapofCentralLondon1853BroadStreetPumpHandle1.In“Warmingup”part,we’velearnedsomefamousscientistsandtheirnewideas.Doyouknowhowtoproveanewideainscientificresearch?Whatorderwouldyouputthemin?Pre-readingDrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalyseresultsFindsupportingevidenceDrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalyseresultsFindsupportingevidence2.Whatdoyouknowabouttheinfeciousdisease?Whatdoyouknowaboutcholera?

Choleraisadiseaseresultingfromthepresenceandactivityofamicrobialagent.Itisaformofinfectiousgastroenteritis(肠胃炎)thatresultsinfrequentwaterystools,crampingabdominal(腹部)painandeventualcollapsefromdehydration(脱水).Epidemicinfectionsareseasonalinmostthridworldcountries,particularlyAfrica.3.Lookatthepicture,themapandthetitleandpredictthecontentofthereadingpassage.Thenskimitquicklytoseeifyouwereright.Reading1.Readthetext(p.2-p.3)carefullyandfocusonthedetailinformationaboutthepassage.ThendotheTrueandFalseexercisefollowed.1)JohnSnowwasinterestedinfindingthecauseofcholera.2)Snowbelievedtheideathatpeopleabsorbedthisdiseasewiththeirmeals.3)In1854Londonwashitbyacholeraoutbreakandthousandsofpeoplediedeveryday4)Snowdiscoveredthatthesepeopleworkinginthepubat7CambridgeStreetdiedsoonaftertheoutbreak.

5)Snowfoundthatcholerawasspreadbygermincloudofgas.6)SnowalsofoundthewomanwholivedawayfromBroadStreetbutdrankthewatertherediedsoonaftertheoutbreak.7)Snowfinallyconfirmedthatwaterwastoblamefortheoutbreakofcholera.2.Readthetext(p.2-p.3)onceagain,focusonthemainideaofeveryparagraphandthentellyourgroupaboutit.Mainideaofeveryparagraphofthetext----JohnSnowDefeats“KingCholera”Paragraph1IntroductionofJohnSnowandCholeraParagraph2StudyofthetwotheoriesParagraph3StudyoftheoutbreakofcholerainLondonin1854Paragraph4InvestigationsatBroadStreetandCambridgeStreetwithamapandthefindingofthevaluableclueaboutthecauseofcholeraParagraph5ConfirmingcholerawasspreadbygermthroughpollutedwaterParagraph6AnnouncingthatthewatercarriedthediseaseParagraph7Kingcholerawasdefeated.3.Readthetextagain,focusonthemainideaofthetext,retellitandpayattentiontotheorganizationofascientificresearch.itemsfacts

TheproblemCholerawasthemostdeadlydiseaseinLondoninthemiddleofthe19thcentury.Itcouldn'tbecontrolleduntilitscausewasfound.

TheideasOneideawasthatcholeramultipliedintheairwithoutreason.Itwasastrangecloudthatattackeditsvictims.Theotherideawasthatpeopleabsorbedthisdiseasewiththeirmeals.1)MainideaofthetextHowJohnSnowfoundoutthecauseWhenanotheroutbreakhitLondonin1854,hefoundthatintwopoticularstreetstheoutbreakwassoseverethatover500peopledied.Hemarkedonamapwhereallthedeadpeoplelived.Themapgaveavaluableclueaboutthecauseofthedisease.Itseemedthatthewaterthesepeopledrankwastoblame.Afterhelookedintothesourcesofthewaterforthesetwostreets,hefoundthatpeoplediedofcholeraafterdrinkingthepollutedwater.SoJohnSnowbelievedthatcholerawasspreadbygermsandnotinacloudofgas.TheconclusionJohnSnowwasabletodefeatcholeraonceitscausewasfound.1.Readthepassageandnumbertheseeventsintheorderthattheyhappened.Comprehending____JohnSnowbegantotesttwotheories.____AnoutbreakofcholerahitLondonin1854.____JohnSnowmarkedthedeathsonamap._____Heannouncedthatthewatercarriedthedisease._____JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere._____KingCholerawasdefeated._____Hefoundthatmostofthedeathswerenearawaterpump._____Hehadthehandleremovedfromthewaterpump.2.Readthepassageagainandanswerthesequestions.JohnSnowbelieveidea2wasright.Howdidhefinallyproveit?Doyouthinkjohnsnowwouldhavesolvedthisproblemwithoutthemap?Giveareason.Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?Why?JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera.collectedinformationandwasabletotiecasesoutsidetheareatopollutedwater.No.ThemaphelpedJohnSnoworganizehisideas.