新课标高中英语人教版必修五第一单元unit1 Great Scientists 阅读课件.ppt

Unit1,Greatscientists,Letshaveacompetition!,Doyouknowanyscientists?,Thefollowingisaquizandletsfindoutwhoknowsthemost.,Warmingup,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,B.Archimedes,C.ThomasEdison,A.CharlesDarwin,Warmingup,2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,A.MarieCurie,C.CharlesDarwin,B.GregorMendel,3.Whoinventedthefirststeamengine?,A.ThomasNewcomen,C.ThomasEdison,B.Archimedes,4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.,A.ThomasEdison,C.Archimedes,B.GregorMendel,5.Whodiscoveredradium?,A.MarieCurie,C.Newton,B.ZhangHeng,6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?,A.StephenHawking,C.ThomasEdison,B.Archimedes,7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,A.GregorMendel,C.MarieCurie,B.LeonardodaVinci,8.Whoinventedalamptokeepminerssafeunderground?,A.SirHumphryDavy,C.Faraday,B.ThomasNewcomen,9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,A.CharlesDarwin,C.Watt,B.ZhangHeng,10.Whoputforwardatheoryaboutblackholes?,A.StephenHawking,C.Copernicus,B.Archimedes,Whatmakesascientistsuccessful?,similarities,careful,hard-working,strict,positive,talented,creative,bright,strong-willed,Whatimpressyoumostin2003?,infectious,Whatimpressyoumostin2003?,SARS,Whatotherinfectiousdiseasesdoyouknow?,Forexample:Whenyoueatsomeseafood,Youfeel,Maybeyouhavegot_.,Cholera,infectiousdiseases:Theycanbespreadtootherpeople.Theyhaveanunknowncause.Theyaredifficulttocure.Theyneedpublichealthcaretosolvethem.,Cholera:Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Andthevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(呕吐)anddiarrhoea(腹泻).,Skimming:,Whowasthegreatscientistinthepassageandwhatwasthedeadlydiseaseofitsday?,JohnSnowcholera,Readandanswer:,Paragraph1:1Whycouldntthecholerabeundercontrolatfirst?Neitheritscause,notitscurewasunderstood.Trueorfalse:1.JohnSnowwasgladtohelpordinarypeople.2.JohnSnowthoughtcholerawouldneverbecontrolled.,T,F,Paragraph2,Whatsthetwotheories?Whichoneismorereasonable?,JohnSnowfinallyprovedthetheoryhebelievedby_.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidntD.bothAandBE.bothAandC,Paragraph3&4,Whatvaluablecluedidhegetaboutthecauseofthedisease?,Manyofthedeathshadnodeaths.,Paragraph4,AmapofBroadStreet,Whatmethoddidheuse?,BroadStreet,Manydeathshappenedhere.,Nodeathhappenedhere.,Thewaterfromthepumpwastoblame.,Publichouse,Paragraph4,Whatmightbethecause?,Itseemedthatthewaterwastoblameforcholera.,Paragraph5,Whenthecausewasfound,whatdidJohnSnowtellthepeopledo？,Toremovethehandlefromthewaterpumpsoitcouldnotbeused.,CarefulReading:,para.6&7,Wheredidthewomanliveandwhydidsheandherdaughterdie?Whatdidtheirdeathssuggest?WhatmeasuresdidJohnSnowtaketopreventthediseasefromspreading?,AwayfromBroadStreetTheyhaddrunkthewaterfromthepump.,Thepollutedwatercarriedthevirus,.suggestedthatbeexaminedwereinstructednottoexposeto,JohnSnowbegantotesttwotheories.AnoutbreakofcholerahitLondonin1854.JohnSnowmarkedthedeathsonamap.Heannouncedthatthewatercarriedthedisease.JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.KingCholerawasdefeated.Hefoundthatmostofthedeathswerenearawaterpump.Hehadthehandleremovedfromthewaterpump.,Readthepassageandnumbertheseeventsintheorderthattheyhappened.,drawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysethe