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1、单项选择题1、Heis renowned forhisskill.A．rememberedB．recommendedC．praisedD．well-known2、根据材料，回答问题。DifficulttoHaveHardDiscoveries Ifthereisonethingscientistshavetohear,itisthatthegameisover.Raisedonthebeliefofanendlessvoyageofdiscovery,theyrecoil(畏缩)fromthesuggestionthatmostofthebestth
2、ingshavealreadybeenlocated.Iftheyhave,today'sscientistscanhopetocontributenomorethanafewgracenotestothesymphonyofscience. AbooktobepublishedinBritainthisweek,TheEndofScience,arguespersuasivelythatthisisthecase.Itsauthor,JohnHorgan,isaseniorwriterforScientificAmericanmagazine,wh
3、ohasinterviewedmanyoftoday'sleadingscientistsandsciencephilosophers.Theshockofrealizingthatsciencemightbeovercametohim,hesays,whenhewastalkingtoOxfordmathematicianandphysicistSirRogerPenrose. TheEndofScienceprovokedawaveofdenunciation(谴责)intheUnitedStateslastyear."Thereactionha
4、sbeenoneofcompleteshockanddisbelief,"Mr.Horgansays. Therealquestioniswhetheranyremainingunsolvedproblems,ofwhichthereareplenty,lendthemselvestouniversalsolutions.Iftheydonot,thenthefocusofscientificdiscqveryisalreadynarrowing.Sincethetriumphsofthe1960s--thegeneticcode,platetect
5、onics(板块构造说),andthemicrowavebackgroundradiationthatwentalongwaytowardsprovingtheBigBang--genuinescientificrevolutionshavebeenscarce.Morescientistsarenowalive,spendingmoremoneyonresearch,thanever.Yetmostofthegreatdiscoveriesofthe19thand20thcenturiesweremadebeforetheappearanceofstate
6、sponsorship,whenthescientificenterprisewasafractionofitspresentsize. Werethescientistswhomadethesediscoveriesbrighterthantoday's?Thatseemsunlikely.Afarmorereasonableexplanationisthatfundamentalsciencehasalreadyenteredaperiodofdiminishedreturns."Look,don'tgetmewrong,"saysMr.Horg
7、an."Therearelotsofimportantthingsstilltostudy,andappliedscienceandengineeringcangoonforever.Ihopewegetacureforcancer,andformentaldisease,thoughtherearefewrealsignsofprogress."Thesentence"mostofthebestthingshavealreadybeenlocated"couldmean_______A．mostofthebestthingshavealreadybeenc
8、hanged.B．mostofthebestthin
