UsingLanguageUsingLanguage-•Reading&WritingAboutCopernicus•Doyouknowwhatisthecenterofthesolarsystem?•Canyounamethenineplanetsinthesolarsystem?MercuryMarsVenusEarthJupiterSaturnUranusNeptunePlutoMnemonics(记忆术)MercuryVenusEarthMarsJupiterSaturnUranusNeptunePlutoMyVeryEasyMethod:JustSetUpNinePlanets.Canyouuseagoodmethodtomemorizethem?NicolausCopernicusNicolausCopernicusborn:inPolandin1473died:May24,1543Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.Skimthetextanddrawthetwotheoriesoftheuniversewiththefollowingpictures.SunearthBeforeCopernicus’theoryShowingCopernicus’theoryReadinganddrawingSunearthBeforeCopernicus’theoryShowingCopernicus’theorySunearthearthSunShowingCopernicus’theoryAdiagramshowingthesolarsystemwiththeearthatitscentreAdiagramshowingthesolarsystemwiththesunatitscentreBeforeCopernicus’theoryCarefulreadingReadthetextcarefully,thenanswerthesequestionsBecausethepowerfulChristianChurchwouldhavepunishedhimforevensuggestingsuchanidea(2)Whatwashistheoryabout?(Para1)Allhismathematicalcalculationsledtothesameconclusion:thattheearthwasnotthecentreofthesolarsystem.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.Whycouldhenottellabouthistheory?(Para1)(3)Whathadtheastronomersnoticedinthesky?(Para2)Theyhadnoticedthatsomeplanetsintheskyseemedtostop,movebackwardandthengoforwardinaloop.Othersappearedbrighterattimesandlessbrightatothers.(4)WhendidCopernicuscompletehistheory?(Para3)Between1510and1514heworkedonit,graduallyimprovinghistheoryuntilhefeltitwascomplete.(5)Howdidheexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars?Whendidhepublishhisidea?(Para4)Heplacedafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth.Healsosuggestedthattheearthwasspinningasitwentrounditandthisexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars..Hepublisheditashelaydyingin1543(6)WhydopeoplethinkthatthereisadirectlinkbetweenhisideasandtheworkofIsaacNewton,AlbertEinsteinandStephenHawking?Becausehistheoryisnowthebaseonwhichallourideasoftheuniversearebuilt.HistheoryreplacedtheChristianideaofgravitywhichsaidthingsfelltoearthbecauseGodcreatedtheearthasthecentreoftheuniverse,Heshowedthiswasobviouslywrong.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:IfyouwereNicolausCopernicus,wouldyouhavehiddenyourtheoryforsomanyyears?◆Asascientist,oneshouldbebrave.ButCopernicuswasafraidofbeingattackedbytheChristianChurch.Sohehadhiddenhistheoryforsomanyyears.Whatdoyouthinkofthis?Agree:1.Hewascautious.ifhehadpublishedhisideas,hewouldhavebeenkilledjustasBrunowhowasburnedtodeathbecausehistheorywasagainsttheChristianChurch.2.Everytimewhenanewideaappears,therearealwaysrejections.It’sn...