高一英语阅读训练4

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1、2014学年高一下学期英语阅读训练（4）班别：高一（）班姓名：学号：AEdmundHalleywasanEnglishscientistwholivedover200yearsago.Hestudiedtheobservationsofcomets（彗星）whichotherscientistshadmade・Theorbitofoneparticularcometwasaverydifficultmathematicalproblem.Hecouldnotfigureitout.Neithercouldotherscientist

2、swhodealtwithsuchproblems.However,HalleyhadafriendnamedNewton,whowasabrilliantmathematician.Newtonthoughthehadalreadyworkedoutthatproblem,buthecouldnotfindthepapersonwhichhehaddoneit.HetoldHalleythattheorbitofacomethadtheshapeofanellipse（椭圆）.NowHalleysettowork・Hefigure

3、douttheorbitsofsomeofthecometsthathadbeenobservedbyscientists.Hemadeasurprisingdiscovery.Thecometsthathadappearedintheyears1531,1607,and1682allhadthesameorbit・Yettheirappearanceshadbeen75to76yearsapart.ThisseemedverystrangetoHalley・Thedifferentcometsfollowedthesameorbi

4、t.ThemoreHalleythoughtaboutit,themorehethoughtthattherehadnotbeenthreedifferentcomets,aspeoplethought.Hedecidedthattheyhadsimplyseenthesamecometthreetimes.Thecomethadgoneawayandhadcomebackagain.Itwasanastonishingidea!Halleyfeltcertainenoughtomakeapredictionofwhatcometw

5、ouldhappeninthefuture・Hedecidedthatthiscometwouldappearintheyear1758.Therewere53yearstogobeforeHalley'spredictioncouldbetested.In1758thecometappearedinthesky.Halleydidnotseeit,forhehaddiedsomeyearsbefore.EversincethenthatcomethasbeencalledHalley'scomet,inhishonor1.Edmu

6、ndHalleyfiguredouttheorbitof・A.somedifferentcometsappearingseveraltimesB.thesamecometappearingatdifferentlimesC・threedifferentcometsappearingthreetimesD・severalcometsappearingatthesametime2.Halleymadehisdiscovery・A・bydoingexperimentsB.bymeansofhisowncarefulobservationC

7、.byusingtheworkofotherscientistsD.bychance3・Halleymadeasurprising,butconectpredictionintheyear・A.1704B.1705C.1706D.17074・Thispassageingeneralisabout・A.HalleyandotherscientistsB.theorbitofacometC.NewtonandHalleyD.Halleyandhisdiscovery5.WhichofthefollowingisTRUE?A.Edmund

8、HalleywasanAmericanscientist・B.Halleymadehisdiscoverybydoingexperiments.C.Newtonwasafamousmathematician.D.Theorbitofa