Unit20Lesson3ScientificBreakthroughsSomediscoveriesorinventionsinthe20thcentury:Meansoftransport:WrightBrothersThechangeincommunication:NeilAldenArmstrongwasthefirstpersontosetfootontheMoon.Thisismypersonalonesmallstep,itwasagreatstepofmankind.Thefirstartificialsatellite,Sputnik1,waslaunchedbytheSovietUnionin1957.HisgreatestdiscoveryisthecreationofhisfamousTheoryofRelativity.AlbertEinsteinAlbertEinsteinwasconsideredthegreatestscientistofthe20thcentury.EdwinHubblewasanAmericanastronomer.Hismostimportantdiscoverywastheexpandinguniverse.EdwinHubbleHubblespacetelescopeAlexanderFleming,aScottishbiochemist,discoveredPenicillin.AlexanderFlemingThedesignerofENIAC,thefirstcommercialcomputermadeintheUnitedStates.JohnWilliamMauchlyandJ.PresperEckertTheWorldFirstComputerPercySpencer,anAmericanengineerandinventor,discoveredmicrowaves.PercySpencer1.TheequationE=mc22.Penicillin3.Thefirstcomputer4.Othergalaxies5.MicrowaveTrytomatchthediscoverieswithhowtheywerediscovered?a)Scientistsworkedtogetherasateamb)Therewasaluckyaccidentc)Ascientistdidresearchformanyyearsd)Ascientistwasinspirede)Therewasamistake1.Einsteinwasatworkwhenhethoughtoftheequation“E=mc2”.2.Einsteinparticipatedintheprogramthatdevelopedthenuclearbomb.3.Einsteinobservedchangesintime,sizeandmass.4.Hubblestudiedtheuniverseforovertwentyyears.5.Hubblediscoveredthatourgalaxyisbiggerthanwethoughtitwas.Arethesestatementtrueorfalseaccordingtothetextoristherenoinformation?6.Fleminghadbeenstudyingbacteriainhislaboratorywhenthediscoveryhappened.7.Therewasabluemouldaroundthebacteriainthedish.8.Flemingdevelopedtheprocessofmakingpenicillin.9.Thefirstcomputerprojectfailedtomeetitsoriginalgoal.10.Thefirstcomputerwasextremelydifficulttoprogram.11.Thescientistwhodiscoveredmicrowavesinventedmicrowaveovens.12.Todayitispossibletodonateyourhearttohospitalwhenyoudie.1.Einsteinwasatworkwhenhethoughtoftheequation“E=mc2”.2.Einsteinparticipatedintheprogramthatdevelopedthenuclearbomb.3.Einsteinobservedchangesintime,sizeandmass.4.Hubblestudiedtheuniverseforovertwentyyears.5.Hubblediscoveredthatourgalaxyisbiggerthanwethoughtitwas.FTTArethesestatementtrueorfalseaccordingtothetextoristherenoinformation?NINI6.Fleminghadbeenstudyingbacteriainhislaboratorywhenthediscoveryhappened.7.Therewasabluemouldaroundthebacteriainthedish.8.Flemingdevelopedtheprocessofmakingpenicillin.9.Thefirstcomputerprojectfailedtomeetitsoriginalgoal.10.Thefirstcomputerwasextremelydifficulttoprogram.11.Thescientistwhodiscoveredmicrowavesinventedmicrowaveovens.12.Todayitispossibletodonateyourhearttohospitalwhenyoudie.NITNITNIFFReadingTask:Inthe20thcentury,manyamazingdiscoveriesweremadeinmedicine,communicationsandtransport,letaloneourknowledgeof1.SomepioneersDiscoveries\InventionsSignificanceAlbertEinstein2.Itshowedhowasmallpieceofmasscouldproduceanunbelievableamountof3.TheoryofrelativityItshowedtime,massandlength4.accordingtoourexperienceofthem.EdwinHubble5liketheoneweliveinItprovedthattheuniversewasvastly6.thanhadpreviouslybeenthought.AlexanderFlemingPenicillinItsaved7.EckertandMauchlyThefirstcomputerItwasproducedtoincreasethe8oftheUSNavy’smissiles.PercySpencer9.Ithelpsuspreparemealsinminutes.Withoutthese10inscienceandtechnology,wewouldhavehadacompletelydifferentworld.ReadingTask:Inthe20thcentury,manyamazingdiscoveriesweremadeinmedicine,communicationsandtransport,letaloneourknowledgeof1..SomepioneersDiscoveries\InventionsSignificanceAlbertEinstein2..Itshowedhowasmallpieceofmasscouldproduceanunbelievableamountof3..TheoryofrelativityItshowedtime,massandlength4.accordingtoourexperienceofthem.theworldandspaceE=mc2energychangeReadingTask:EdwinHubble5.liketheoneweliveinItprovedthattheuniversewasvastly6.thanhadpreviouslybeenthought.AlexanderFlemingPenicillinItsaved7..EckertandMauchlyThefirstcomputerItwasproducedtoincreasethe8.oftheUSNavy’smissiles.PercySpencer9..Ithelpsuspreparemealsinminutes.Withoutthese10.inscienceandtechnology,wewouldhavehadacompletelydifferentworld.NewgalaxieslargermillionsoflivesaccuracyMicrowavesbreakthroughsintroductionBodyConclusionSimpleoutlineAbriefintroductionofscientificbreakthroughsinthe20thcenturyPara.1Para.1Para.2Para.3Para.4Para.5Para.6Para.7Para.8SomegreatpioneersofscienceandtheirinventionsordiscoveriesThesignificanceofthesebreakthroughsDiscussion:Itispredicted(预言)thattherewillbe5scientificbreakthroughsinthe21stcentury.Whatdoyouthinkwillbethe5scientificbreakthroughsandhowwilltheyinfluenceourlife?Haveadiscussionandvoiceyouropinion.1.We’llknowwherewecamefrom.Whydoestheuniverseexist?2.We’llcrackthegeneticcodeandconquercancer.3.We‘lllivelonger(120years?).4.We’ll“manage”Earth.We’llstoptalkingabouttheweatherbutwilldosomethingaboutit.We’llgraduallylearnhowtopredicttheeffectsofhumanactivityontheEarth,itsclimateanditsecosystems.5.We’llhaveabrain“roadmap”.We’llbeabletosaywithcertaintywhichonesareworkingwhenyoureadaword,whenyousayaword,whyyouthinkaboutaword,andsoon.1.Doexercise5onpage25.2.PreviewCommunicationWorkshop.