Great-scientists全套课件.ashx

Unit1GreatscientistsUnit1GreatscientistsWarmingupWhatimpressyoumostin2003?WhichpersonimpressyoumostduringtheSARS?Whatotherinfectiousdiseasesdoyouknow?Forexample:Whenyoueatsomeseafood……Youfeel……Maybeyouhavegot________.CholeraWarmingup----questions(2m)JohnSnowdefeats“Kingcholera”Skimming:answerthefollowingquestions:1.WhatarethetwotheoriesJohnSnowgotinterestedin?2.WhatdidJohnSnow’experienceshow?3.Howtopreventthediseasehappeningagain?Reading-I----skimming(2m)1.Thetwotheoriesare:Thefirstsuggestedthatcholeramultipliedintheairwithoutreason.Thesecondsuggestedthatpeopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.3.Topreventthisfromhappeningagain,JohnSnowsuggestedthatthesourceofallwatersuppliesbeexaminedandnewmethodsofdealingwithpollutedwaterbefound.2.JohnSnowhadshownthatcholerawasspreadbygermsandnotinacloudofgas.Keys:ScientificReportbyJohnSnowTheproblemThecauseIdea1:Idea2:peopleabsorbedthedisease_________________.ThemethodTheresultsIdea1or2?why?Theconclusionthecauseoftheseriousdiseaseofcholera.________________________thatattackedvictims____________fromthenextcholeraattacktotesttheories.Trytoprovewhichmethodwascorrect.Hefoundthecauseofcholerawas____________________.Idea2.Becausethedatashowedaconnectionwiththewater.JohnSnowwasableto___________onceitscausewasknow.Nobodyknew___________________StrangecloudintheairwiththeirmealsCollectdatathepollutedwaterdefeatcholeraReading-II----scanning(3m)DetailedreadingReadthepassageagain,andthenfindoutthedifficultorkeysentenceswiththepartner.Reading-III----detailedreading(2m)1.Buthebecameinspiredwhenhethoughtabouthelpingordinarypeopleexposedtocholera.Inthecaseofaninfectiousdiseaseitmeansnottakingcaretostopitsspread.2.Hegotinterestedinthetwotheoriesexplaininghowcholerakilledpeople.Thismeansthathebegantofindoutaboutboththeories.3.Itseemedthewaterwastoblame.ThesentencemeansProbablyitwasthewaterthatcausedtheillness.Discussion:Discussthefollowingquestionsingroupsoffour.1.2.3.Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?DoyouthinkJohnSnowwouldhavesolvedthisproblemwith-outthemap?Giveareason.Discussion(4m)Twodiseases,whicharesimilartoday,areSARSandAIDSbecausetheyarebothveryserious,haveanunknowncauseandpublichealthcaretosolvethem.JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.Keys1.2.No.ThemaphelpedJohnSnoworganisehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.3.Let’shaveacompetition!Extension(延伸)1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?B.Archimedes阿基米德C.ThomasEdison爱迪生A.CharlesDarwin达尔文2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?A.MarieCurie居里C.CharlesDarwin达尔文B.GregorMendel门道尔3.Whoinventthefirststeamengine?A.ThomasNewcomen纽兴门C.ThomasEdisonB.Archimedes4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.A.ThomasEdisonC.ArchimedesB.GregorMendel5.Whodiscoveredradium?A.MarieCurieC.NewtonB.ZhangHeng6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?A.StephenHawkingC.ThomasEdisonB.Archimedes7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?A.GregorMendelC.MarieCurieB.LeonardodaVinci达·芬奇8.Whoinventedalamptokeepminerssafeunderground?A.SirHumphryDavyC.FaradayB.ThomasNewcomen9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?A.CharlesDarwinC.WattB.ZhangHeng10.Whoputforwardatheoryaboutblackholes?A.StephenHawkingC.CopernicusB.ArchimedesUnit1GreatscientistsReadthepassageagainandfillintheblanks:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.doctor19thcausedefeatbrokemarkedpumpsourceexamineddealing(in5minutes)AnswerkeysforExercises2:makeatelephonecallmakeadecisionmakeaplanmakeaspeechmakeacontributionmakeanoisemakeachangemakeadescriptionTranslatethefollowingphrases,andtrytofindoutwhattheitemsrelateto.•一片碎玻璃•开水•一枚用过的邮票•一箱埋起来的硬币•穿破的鞋子•一台损坏了的计算机结论：以上的短语都带有过去分词，这些过去分词都是充当定语，而且我们都可以用过去分词作表语的形式来改写以上短语。abrokenpieceofglassboiledwaterausedstampaburiedboxofcoinsadamagedcomputerworn—outshoesCompletethetablewithphrasesthathavethesamemeaning.PastParticiplePastParticipleastheAttributeasthepredicative1.terrifiedpeople1.2.reservedseats2.3.pollutedwater3.4.acrowdedroom4.5.apleasedwinner5.peoplewhoareterrifiedseatswhicharereservedwaterthatispollutedaroomthatiscrowdedawinnerwhoispleasedPastParticiplePastParticipleasthePredic