阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。“SowhatisQuintura?”youmayask.“IlikethesearchengineIcurrentlyuse,MyFavoriteSearchEngine.WhydoIneedanythingelse?MyFavoriteSearchEngineknowseverythingabouteverysubjectIaminterestedinandIcanaccessalloftheinformationavailableontheWebwithMyFavoriteSearchEngine.”“Oh,yes!”weanswer.“Indeed!Wehavenodoubtthatyouhavechosenthebestsearchengineforyourownsearchpurposes!Wedon’twantyoutopartwithyourfavorite─Yahoo,MSNorGoogle.”However,whatifyouthinkaboutsearchinginadifferentway.Haveyoueverrakedthroughthepapercardindexofabiglibrary?Youhavetofindthenecessaryletter(ortheircombination),takethecorrectdrawer,andstartsortingthroughthecards.Ringanybells?Aftermuchtimeandeffort,finallyyoufindthelong-awaitedcard!Ofcoursewebsearchenginestakeawaythelaborioustaskofsifting(筛选)throughpaperindexcards.Andifyouknowthebook’sexactauthorandtitle,eithersearchiseasy─ontheweborinalibrary.Butwhatifyouknowonlyyourgeneralsearchscope?Neithertheauthor’snamenorthebooktitle.Inalibrary,theonlywayoutistoaskalibrarian.Butontheweb,whatdoyoudo?Youareonyourown.Untilnow,Quinturaistheveryknow-alllibrarian!Imagineaconversationbetweenyouandthesearchengineyouusemostoften,MyFavoriteSearchEngine(MFSE).You:Ineedsomebooksonphysics.MFSE:Noproblem.Wehavealotofgoodliterature.You:Oh...somanyofthem!MFSE:Youaskedforbooksonphysics,here,I’vefoundsomemore.You:No,Ineedonlyonebranchofphysics.MFSE:ButIhaveallthebranches!Thousandsofbooks.Choosewhateveryouwant.You:ButIneedthebranchonsolidmovement:acceleration,frictionandsoon.MFSE:Heretheyare.Booksonphysics...NowimaginebeginningthesameconversationwithQuintura(Qu).You:Ineedsomebooksonphysics.Qu:OK!Wehavealotofgoodliterature;whatbranchofphysicsdoyouneed?You:Branch?I’mnotsureofitsname.Qu:Whatisyourbranchabout?You:Solidmovement:acceleration,frictionandsoon.Qu:Let’ssee.Hereismechanics!Pleasenotethislistofbooks,ourvisitorsmostlyaskforthesebooksonmechanics.You:Thankyou.1.Quinturaisthenameof.A.awebsearchengineB.awell-knownwebsiteC.abiglibrary