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1、2005年初赛PartVReadingComprehension(25minutes,35points)SectionAMultipleChoice(5points)Directions:Thereis 1passageinthissectionwith5questions.Foreachofthem,therearefourchoicesmarkedA,B,CandD.Youshoulddecideonthebestchoice.ThenmarkthecorrespondingletterontheAnswerSheetwithasinglelineth
2、roughthecentre.Questions56to60arebasedonthefollowingpassage.NewFindingsinArchaeology●SouthAmericaandMadagascarwerejoined70millionyearsagoPicture:ReutersAnoldcroc:ThediscoveryinBrazilofanearlycompletefossilisedskeletonoftheprehistoriccrocodileUbera-basuchusterrificus,above,supports
3、theoriesthatSouthAmericaand Madagascarwerejoined70millionyearsago.●We'vealljustgot40,000yearsolderTwoskullsfoundinAfricahavebeenidentifiedastheoldesthumanremainsknowntoscience.Thefossilisedbonesfoundin1967wereoriginallythoughttobe130,000yearsold.Butare-datingofrocklayersnearthosew
4、hichyieldedthefossilsshowedtheyareactuallyabout195,000yearsold—fromthetimemodernhumansemerged.Theskulls,knownasOmoIandII,pushbacktheknownpresenceofHomosapiensinAfricaby40,000years.ThepreviousoldestHomosapiensskulls,datedtobetween154,000and160,000yearsold,werefoundnearavillagecalle
5、dHertointheafarregionofeasternEthiopia.OmoIandIIwereunearthedbyfamouspalaeontologistRichardLeakeyalongtheOmoRiverinsouthernEthiopia,nearthetownofKibish.OmoI'smoremodernfeaturesledtodisagreementamongexpertsoverwhethertheywerethesameage.Therocksinwhichtheywerefoundshowtheyare,saidAu
6、stralianarchaeologistProfIanMcDougall,whomadethediscovery.Hetoldscientificjournal“Nature”:“OmoIandOmoIIarerelativelysecurelydatedto195,000yearsold,makingthemtheoldestanatomicallymodernhumanfossilsyetrecovered.”Questions:56.Bywhichmeanscouldthescientiststelltheageoffossilstheyhavef
7、ound? A.Thebonesofthefossils. B.Theplacewheretheywerefound.16 C.Thehistoryofhumans. D.Identifyingtherocklayersofthefossils.57.Howmanyyearsolderhasourspeciesbecomebythenewdiscovery? A.130,000. B.40,000. C.195,000. D.Between154,000and160,000.58.WhereweretheOmoIandIIf
8、ound? A.NearHerto. B.Alongthe