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NicolausCopernicusborn:inPolandin1473died:May24,1543Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.NinePlanetsIntheSolarSystemShowingCopernicus’theoryAdiagramshowingthesolarsystemwithratitscentreAdiagramshowingthesolarsystemwithIatitscentreBeforeCopernicus’theorytheearththesunReadthetextcarefully,thenanswerthesequestions(1)Whycouldhenottellabouthistheory?(Para1)BecausethepowerfulChistianChurchwouldhavepunishedhimforevensuggestingsuchanidea(2)Whatwashistheoryabout?(Para1)Allhismathematicalcalculationsledtothesameconclusion:thattheearthwasnotthecentreofthesolarsystem.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.leadto导致，通向1.AllroadsleadtoRome.2.Thediscoveryofnewevidenceledto_______.A.thethiefhavingcaughtB.catchthethiefC.thethiefbeingcaughtD.thethieftobecaught条条大道通罗马C◆◆Onlyifyouputthesuntheredidthemovementsoftheotherplanetsinthesky.=Themovementsoftheotherplanetsintheskymakesenseonlyifyouputthesunthere.eg.1）Onlyifyouridentityhasbeenchecked,_____.A.youareallowedinB.youwillbeallowedinC.willyouallowinD.willyoubeallowedinD“Only+副词/介词短语/状语从句”位于句首,句子要倒装。2）OnlythendidIrealizetheimportanceofknowledge.3）Onlyinthiswaycanweworkoutthemathsproblem.(3)Whathadtheastronomersnoticedinthesky?(Para2)Theyhadnoticedthatsomeplanetsintheskyseemedtostop,movebackwardandthengoforwardinaloop.Othersappearedbrighterattimesandlessbrightatothers.(4)WhendidCopernicuscompletehistheory?(Para3)Between1510and1514heworkedonit,graduallyimprovinghistheoryuntilhefeltitwascomplete.(5)Howdidheexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars?Whendidhepublishhisidea?(Para4)Heplacedafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth.Healsosuggestedthattheearthwasspinningasitwentrounditandthisexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars..Hepublisheditashelaydyingin1543(6)WhydopeoplethinkthatthereisadirectlinkbetweenhisideasandtheworkofIsaacNewton,AlbertEinsteinandStephenHawking?Becausehistheoryisnowthebaseonwhichallourideasoftheuniversearebuilt.HistheoryreplacedtheChristianideaofgravitywhichsaidthingsfelltoearthbecauseGodcreatedtheearthasthecentreoftheuniverse,Heshowedthiswasobviouslywrong.