职称英语考试-阅读判断练习题及答案

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1、阅读判断（第1～7题，每题1分，共7分）　　下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C.　　BlackHoles　　Mostscientistsagreethatblackholesexistbutarenearlyimpossibletolocate.Ablackholeintheuniverseisnotasolidobject，likeaplanet，butitisshapedlikeasphere（球体）。Astronomers（

2、天文学家）thinkthatatthecenterofablackholethereisasinglepointinspacewithinfinite（无限的）density（稠密）。Thissinglepointiscalledasingularity（奇点）。Ifthesingularitytheoryiscorrect，itmeansthatwhenamassivestarcollapses，allthematerialinitdisappearsintothesingularity.Thecenterofablackholewouldnotreallybea

3、holeatall，butaninfinitelydensepoint.Anythingthatcrossestheblackholeispulledinbyitsgreatgravity.　　Althoughblackholesdoexist，theyaredifficulttoobserve.Thesearethereasons.　　●Nolightoranythingelsecomesoutofblackholes.Asaresult，theyareinvisibletoatelescope.　　●Inastronomicalterms，blackholesa

4、retruly.Forexample，ablackholeformedbythecollapseofagiantstarwouldhaveaneventhorizon（视界）only18milesacross.　　●ThenearestblackholeswouldbedozensoflightyearsawayfromEarth.Onelightyearisabout6trillion（万亿）miles.Eventhemostpowerfultelescopescouldnotpickoutanobjectsosmallatsuchagreatdistance.5

5、　　In1994theHubbleSpaceTelescopeprovidedevidencethatblackholesexist.Therearestillanswerstobefound，however，soblackholesremainoneofthemysteriesoftheuniverse.　　1.Blackholesarepartofspace.　　A.RightB.WrongC.Notmentioned　　2.Blackholesexistbutaredifficulttoobserve.　　A.RightB.WrongC.Notmentione

6、d　　3.Thecenterofablackholeisempty.　　A.RightB.WrongC.Notmentioned　　4.Theattractionoftwolargestarsleadstogravity.　　A.RightB.WrongC.Notmentioned　　5.Thesunistheheavieststarintheuniverse.　　A.RightB.WrongC.Notmentioned　　6.Thenearestblackholesarehundredsoflightyearsawayfromus.　　A.RightB.Wrong

7、C.Notmentioned　　7.TheHubbleSpaceTelescopehelpsscientiststounderstandthenatureoftheuniverse.　　A.RightB.WrongC.Notmentioned　　参考答案　　1A2A3B4C5C6B7A阅读判断（第1～7题，每题1分，共7分）5　　下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：如果该句提供的是正确信息，请选择A；如果该句提供的是错误信息，请选择B；如果该句的信息文中没有提及，请选择C.　　Scotland：ALandofWisdom　　Inthe