高二英语《Unit1 Great Scientists-Reading(2)》

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1、Unit1GreatScientists-Reading（2）EightPlanetsIntheSolarSystemMercury水星Venus金星Earth地球Mars火星Jupiter木星Saturn土星Uranus天王星Neptune海王星EightPlanetsIntheSolarSystem:MyVeryEasyMethod:JustSetUpNinePlanets.Copernicusborn:inPolandin1473died:May24,1543Copernicus’RevolutionaryTheoryHewasoneofthefirstscientiststousem

2、athematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.1.Readparagraph1andfillinthetable.BeforeCopernicus’theoryShowingCopernicus’theoryPeoplebelievedGodhadmadetheworldandforthereasontheearthwasspecialandmustbecentreofthesolarsyste

3、m.Theearthisatthecenterofthesolarsystem,andtheSunandtheotherplanetsgoaroundit.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.TheSunisatthecenterofthesolarsystem,andtheEarthandtheotherplanetsgoaroundit.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense

4、.只有当你把太阳放在中心位置上，天空中其他行星的运动才能说得清楚。onlyif只有；只要。当以only引导的短语或状语从句放于句首时，为了加强语气，句子需要倒装。OnlyifyouworkhardcanyouimproveyourEnglish.2.Whatproblemsdidastronomersnoticewhentheylookedintothesky?(Para2)Theyhadnoticedthatsomeplanetsintheskyseemedtostop,movebackwardandthengoforwardinaloop.Othersappearedbrighterat

5、timesandlessbrightatothers.天文学家发现，天上有些行星停顿下来，往后移动，然后再成环状向前移动，而其他行星看上去有时亮些，有时又不怎么亮。3.WhendidCopernicuscompletehistheory?(Para3)Between1510and1514heworkedonit,graduallyimprovinghistheoryuntilhefeltitwascomplete.4.Inhislettertohisfriend,howdidCopernicusexplainhisrevolutionarytheory?(Para4)First,heplac

6、edafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth.Second,healsosuggestedthattheearthwasspinningasitwentrounditandthisexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars.他把太阳固定在太阳系的中心位置，而行星围绕着太阳转，只有月球仍然绕着地球转。他还提出地球在围绕太阳转的同时，它本身还自转，这

7、样就说明了行星运动的变化情况以及星球的亮度问题。5.Whydidhefeartopublishhisideawhenhisfriendsencouragedhim?(para4)BecausehedidnotwanttobeattackedbytheChurch,heonlypublisheditashelaydyingin1543.他不想遭到基督教教会势力的攻击，所以他只在1543临终前才把它公布出来。6.