人教版新课标高中英语必修1unit 1reading ppt课件.ppt

Unit1Greatscientists,-ByLiuYunfang,AlexanderBellelectricityThomasEdisontheFirsttelephoneWrightBrotherstheelectricLampMadameCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativity,Scientists&Contributions:,Unit1GreatScientists,Doyouknowthegreatscientists?,1.Whoinventedthefirstmodernsteamengine?,JamesWatt(瓦特),2.Whodiscoveredradium?,MadameCurie,3.Whoistheinventorofelectriclightbulb(电灯)?,ThomasEdison,4.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,ZhangHeng,5.Whoisthefatherofsuperhybridrice?,YuanLongping,6.Doyouknowwhodefeated“KingCholera”?,JohnSnow,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,Archimedes(287-212BC)anancientGreekmathematician&physicist),2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,CharlesDarwin(1808-1882)BritishauthorofTheOriginofSpecies,“fatherofmodernbiology”,7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,LastSupper,MonaLisa,LeonardodaVinci(1452-1519)Italianartist,8.Whoinventedalamptokeepminerssafeunderground?,SirHumphryDavy(1778-1829)British,MiniatureMinersSafetyLamp,10.Whoputforwardatheoryaboutblackholes?,StephenHawking(1942-)aBritishastronomer,JohnSnowisawell-knowndoctorinthe19thcenturyinLondonandhedefeated“KingCholera”.,Doyouknowwhatkindofdiseaseischolera?,Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.,Cholera:Itbeginsinthestomachandaseverecasecanleadtodeathwithoutimmediatetreatment.Andthevictimsdiedveryquicklyfromalossofliquidafterseverevomiting(呕吐)anddiarrhoea(腹泻).,?Thecausesofcholera?Thecorrectorpossibletheory?Collectdataonthosewherepeoplewereillanddied?Plotinformationonamaptofindoutwherepeoplediedordidnotdie?Analysethewatertoseeifthatisthecauseoftheillness.?Findotherevidencestoconfirmhisconclusion?TheadviceofJohnSnowabouthowtosolvetheproblem,JohnSnowDefeats“KingCholera”,Whatcausescholera?,Whichtheoryiscorrect?,Collectinformationonthosewhowereillordiedandwheretheygottheirwater,Markinformationonamaptofindoutwherepeoplediedordidnotdied,Analysethewatertoseeifthatisthecauseoftheillness,Findotherevidencetomakesuretheconclusion,Thewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.,CarefulReading:,JohnSnowwasandoctorinLondonwhoQueenVictoriaasherpersonal.Hethoughtabouthelpingordinarypeopletocholera.Thoughthecauseandtheofitwereunknown,hewantedtofacetheandsolvetheproblem.,para.1,expert,attended,physician,exposed,cure,challenge,CarefulReading:,Whatwerethetwotheoriesaboutthecauseofcholera?WhichdidJohnSnowwanttoprove?Whatwashismethodofdoingtheresearch?,multipliedvictimsabsorb,Thesecondone.,Togatherinformationintwoparticularstreets.,para.2&3,CarefulReading:,para.4,Whatdidhedowiththeresultsofhisenquiry?Whatvaluablecluedidhegetaboutthecauseofthedisease?Whatmightbethecause?,Markedonamap,Manyofthedeathshadnodeaths.,Itseemedthatthewaterwastoblameforcholera.,ManyofthedeathswerenearthewaterpumpinBroadStreet.,PartofSnowsCholeraMap,CarefulReading:,para.5,Whydidhetellpeopletoremovethehandlefromthepump?Whathappenedafterthehandlewasremoved?,Sothat,sloweddown,CarefulReading:,para.6&7,Wheredidthewomanliveandwhatdidshehaddeliveredtoherhouseeveryday?Whatdidtheirdeathssuggest?WhatmeasuresdidJohnSnowtaketopreventthediseasefromspreading?,AwayfromBroadStreetWaterfromthepump,Thepollutedwatercarriedthevirus,.suggestedthatbeexaminedwereinstructednottoexposeto,drawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidence,Stagesinsettingoutanewscientificidea:,Dicussing,JohnSnowDefeats“KingCholera”,Thepassageiswrittenasareportofanexperimentandthereare7steps:,1.Findaproblem:(发现问题)2.Makeupaquestion:(形成研究主题)3.Thinkofamethod:(找出研究方法)4.Collectresults:(收集材料)5.Analyseresults:(分析材料)6.Repeatifnecessary:(必要时重新分析)7.Drawaconclusion:(得出结论),Readthepassageagainandfillintheblanks:JohnSnowwasawell-known_inLondoninthe_century.Hewantedtofindthe_ofcholerainorderto_it.In1854whenacholera_out,hebegantogatherinformation.He_onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe_died.Sohedecidedtha