NicolausCopernicusborn:inPolandin1473died:May24,1543Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.NinePlanetsIntheSolarSystemShowingCopernicus’theoryAdiagramshowingthesolarsystemwiththeearthatitscentreAdiagramshowingthesolarsystemwiththesunatitscentreBeforeCopernicus’theoryReadthetextcarefully,thenanswerthesequestions(1)Whycouldhenottellabouthistheory?(Para1)BecausethepowerfulChistianChurchwouldhavepunishedhimforevensuggestingsuchanidea(2)Whatwashistheoryabout?(Para1)Allhismathematicalcalculationsledtothesameconclusion:thattheearthwasnotthecentreofthesolarsystem.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.(3)Whathadtheastronomersnoticedinthesky?(Para2)Theyhadnoticedthatsomeplanetsintheskyseemedtostop,movebackwardandthengoforwardinaloop.Othersappearedbrighterattimesandlessbrightatothers.(4)WhendidCopernicuscompletehistheory?(Para3)Between1510and1514heworkedonit,graduallyimprovinghistheoryuntilhefeltitwascomplete.(5)Howdidheexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars?Whendidhepublishhisidea?(Para4)Heplacedafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth.Healsosuggestedthattheearthwasspinningasitwentrounditandthisexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars..Hepublisheditashelaydyingin1543(6)WhydopeoplethinkthatthereisadirectlinkbetweenhisideasandtheworkofIsaacNewton,AlbertEinsteinandStephenHawking?Becausehistheoryisnowthebaseonwhichallourideasoftheuniversearebuilt.HistheoryreplacedtheChristianideaofgravitywhichsaidthingsfelltoearthbecauseGodcreatedtheearthasthecentreoftheuniverse,Heshowedthiswasobviouslywrong.◆Asascientist,oneshouldbebrave.ButCopernicuswasafraidofbeingattackedbytheChristianChurch.Sohehadhiddenhistheoryforsomanyyears.Whatdoyouthinkofthis?Agree:1.Hewascautious.ifhehadpublishedhisideas,hewouldhavebeenkilledjustasBrunowhowasburnedtodeathbecausehistheorywasagainsttheChristianChurch.2.Everytimewhenanewideaappears,therearealwaysrejections.It’snormal.Scientistsshouldhavepatiencetospreadtheirtruth.3.Itmadenosenseforhimtopublishhistheoryinahurry.Hewasjustcautiousnotcoward.Heshouldprotecthimselffirst.Disagree:1.Copernicuswasverycoward.Heshouldspeakouthisdiscoveryandlettheworldknowthetruthearlier.2.Sciencecanneveradvanceunlesspeoplehavethecourageoftheirbeliefs.3.Asascientist,youmusthavethecouragetopublishyourfindings.Nomatterhowpeopleopposethem,timewillshowifyourideasarerightorwrong.•WriteashortletteraskingCopernicustopublishhisideassoeveryonecanreadthem.Onepossibleversion:DearNicolausCopernicus,IamastudentstudyingastronomyandIwouldverymuchliketoreadyournewtheoryaboutthesolarsystem.Ihopeyouwillpublishitforseveralreasons.Iunderstandtheproblemswiththepresenttheory.Thewaytheplanetsmoveisnotwhatyouwouldexpectiftheearthwasthecenteroftheuniverse.Itisalsooddthatthebrightnessofsomestarsseemstochange.SoIagreewithyouthatweneedanewtheory.Yourssincerely,LinQiIknowyourobservationshavebeenverycarefullycarriedoutovermanyyears.Nowyoumusthavethecouragetopublishthem.Sciencecanneveradvanceunlesspeoplehavethecourageoftheirbeliefs.Iknowyouworryaboutwhatwillhappenifyoupublishyournewtheory.Nomatterhowpeopleopposeit,timewillshowifyourideasarerightorwrong.SoIhopeyouwillfeelyoucanpublishyournewtheory.Onepossibleversion:DearNicolausCopernicus,IamastudentstudyingastronomyandIwouldverymuchliketoreadyournewtheoryaboutthesolarsystem.Ihopeyouwillpublishitforseveralreasons.Iunderstandtheproblemswiththepresenttheory.Thewaytheplanetsmoveisnotwhatyouwouldexpectiftheearthwasthecenteroftheuniverse.Itisalsooddthatthebrightnessofsomestarsseemstochange.SoIagreewithyouthatweneedanewtheory.Beginning:TellCopernicuswhoyouareandwhyyouwanthimtopublishhisideasParagraph1:Reason1andevidenceYourssincerely,LinQiIknowyourobservationshavebeenverycarefullycarriedoutovermanyyears.Nowyoumusthavethecouragetopublishthem.Sciencecanneveradvanceunlesspeoplehavethecourageoftheirbeliefs.Iknowyouworryaboutwhatwillhappenifyoupublishyournewtheory.Nomatterhowpeopleopposeit,timewillshowifyourideasarerightorwrong.SoIhopeyouwillfeelyoucanpublishyournewtheory.Paragraph2:Reason1andevidenceSummingup:Askhimtothinkagainaboutpublishinghisideas1.Finishyourletterafterclass.2.Revisethewordsandlanguagepointsinthisunit.3.Finish“Summingup”.1)表示对过去的某种情况进行猜测,或本来要做某事却因某种原因未做成,通常用来说明某一情况,但不象should或oughtto那样含有责备之意。如:◆YethecouldnottellanyoneabouthistheoryasthepowerfulChristianChurchwouldhavepunishedhimforevensuggestingsuchanidea.Iguessthepoetwouldhavebeenabout20whenshewroteherfirstpoem.Anotherworkerwouldn’thaveactedlikethat.needn’thave+过去分词,表示做了不必做的事,相当于,译为“其实没必要……”shouldhave+过去分词,表示应该做某事但实际上未做,译为“本应该……”shouldnothave+过去分词,表示本不应该做某事但实际上做了,译为“本不应该……”2)相关知识总结:leadto导致,通向1.AllroadsleadtoRome.2.Thediscoveryofnewevidenceledto_______.A.thethiefhavingcaughtB.catchthethiefC.thethiefbeingcaughtD.thethieftobecaught条条大道通罗马C◆◆Onlyifyouputthesuntheredidthemovementsoftheot