人教版高中英语必修5第一单元Reading.ppt

人教课标高二必修5Unit1,Reading,Unit1Greatscientists,Aquiz:Matchtheinventionswiththeirinventorsbelow,WarmingUp,AlexanderBellelectricityThomasEdisontheFirsttelephoneLaiteBrotherstheelectricLampMarieCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativity,Whoishe?,Heis,Archimedes(阿基米德),Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,CharlesDarwin达尔文,Whoishe?,Heis,Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,ThomasNewcomen汤玛斯.纽科门,Whoishe?,Heis,Whoinventedthefirststeamengine?,GregorMendel孟德尔,Whoishe?,Heis,Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?,MarieCurie居里夫人,Whoishe?,Sheis,Whodiscoveredradium?,ThomasEdison爱迪生,Whoishe?,Heis,Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?,LeonardodaVinci列奥纳多.达芬奇,Whoishe?,Heis,Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,HumphryDavy汉弗莱.戴维,Whoishe?,Heis,Whoinventedalamptokeepminerssafeunderground?,StephenHawking霍金,Whoishe?,Heis,Whoputforwardatheoryaboutblackholes?,Whenwewanttosolvesomeproblem.Firstweshouldfindtheproblem,dosomeresearchonit,proveyourfinding,andthenmakeaconclusion.Thisisascientificandobjectivewayofresearching.,1.Whatorderwouldyouputthesevenin?,Pre-reading,Pleaseputthe7stagesinrightorderaccordingtothepassage.,Infectiousdiseasescanbespreadtootherpeople.Theyhaveanunknowncauseandneedpublichealthcaretosolvethem.,2.Whatdoyouknowaboutinfectiousdiseases?,infectiousdiseases:birdflu;AIDS,SARSareinfectiousdiseases.Infectiousdiseasesaredifficulttocure.,Choleraistheillness.Ifinfectspeoplesintestines(肠胃),causingdiarrhea(腹泻),vomiting(呕吐)andlegcramps(小腿抽筋).,3.Whatdoyouknowaboutcholera?,Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeencontaminated(污染)withthebacteria.Choleracanbemild(不严重的)orevenwithoutsymptoms(症状),butaseverecasecanleadtodeathwithoutimmediatelytreatment.,Germany,GreatBritain,London,Thespreadofcholera,Lookatthepicture,thetitleandthemap,guesswhatthecontentofthetextis.Thenskimitquicklytoseeifyouareright.,Reading,JohnSnowDefeats“KingCholera”,JohnSnowP76,Skimming,Readthetextquicklyandcompletethemainideaofit.Thetextismainlyabout_andhowhe_.,John,defeatedcholera,Snow,I.Toproveanewscientificidea,sevenstagesareneeded.Readthetextcarefullyandfillintheblanks.,Carefulreading,cause,absorbed,multiplied,cure,map,prove,source,BroadStreet,Manydeathshappenedhere.,Nodeathhappenedhere.,Thewaterfromthepumpwastoblame.,drinkingthewater,pollutedwater,examined,Whywascholeracalled“KingCholera”inthetext?Becauseitcausedmanydeaths.B.BecauseitgotitsnamefromQueenVictoria.C.BecauseitwasdefeatedwiththehelpoftheKing.D.Becauseitwasthemostdeadlydiseaseofitsday.,Postreading,Numbertheseeventsintheorderthattheyhappened._JohnSnowbegantotesttwotheories._AnoutbreakofcholerahitLondonin1854._JohnSnowmarkedthedeathsonamap.,1,2,4,_Heannouncedthatthewatercarriedthedisease._JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere._KingCholerawasdefeated._Hefoundthatmostofthedeathswerenearawaterpump._Hehadthehandleremovedfromthewaterpump.,3,5,6,7,8,Answerthesequestions.JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?,JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.,2.DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutthemap?Giveareason.,No.ThemaphelpedJohnSnoworganizehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.He,identifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingthecause.,3.Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?Why?,Threediseases,whicharesimilartoday,areSARS,AIDSandbirdflu,becausetheyareserious,haveanunknowncauseandneedpublichealthcaretosolvethem.,Drinkonlywaterthatyouhaveboiled.Othersafedrinksincludeteaorcoffeemadewithboiledwater.,GroupDiscussion,Eatonlyfoodthatsbeenthorough