Wikipedia：TheOnlineKnow-It-All
Ifyouwanttofindoutapieceofinformationaboutanything，thebestplacetosearchforitisWikipedia．Thename"Wikipedia"isfromtheHawaiianwordwiki，meaning"quick"．Thisonlineencyclopedia（百科全书）iswrittenbythousandsofpeoplearoundtheworld．AnyonewithInternetaccesscanwrite，addormakechangestoWikipediaarticlesifheorshefindsitincorrectornotwellwritten．Inthisway，peoplewhoknowalotaboutacertainsubjectcanwriteaboutiteveniftheyarenotuniversityprofessors．ButcontributionscannotdamageWikipediabecausemanyexperiencededitorsarewatchingpagesandtechies（技术专家）canwriteeditingprogramstokeeptrackoforcorrectbadedits．Wheretherearedisagreementsonhowtopresentfacts，editorsworktogethertoarriveatanarticlethatfairlyrepresentscurrentexpertopiniononthesubject．
Wikipediaisquitedifferentfrompaper-basedreferencesourcesinimportantways．Unlikeprintedencyclopedias，itiscontinuallycreatedandupdated，witharticlesonhistoriceventsappearingwithinminutes，ratherthanmonthsoryears．
What'smore，Wikipediaincludesarticleswritteninabout285languages．ThisfactmakesitoneofthefewwebsitesontheInternetthataretrulyinternational．Itwasstartedin2001byLarrySangerandJimmyWales，asafreeonlineEnglish-languageencyclopediaproject．Sinceitscreation，ithasgrownrapidlyintooneofthelargestreferencewebsites，attractingnearly500 millionuniquevisitorsmonthly．Therearemorethan77，000 activecontributorsworkingonmorethan22，000，000 articlesindifferent languages．Asoftoday，thereare4，396，866 articlesinEnglish．
So，ifyouarelookingforsomeinformation，whynottryWikipedia？It'sfree，multilingual，andinformative．
13．Accordingtothepassage，whatisWikipedia？___
A．Afreewebsiteencyclopedia．
B．Acomputergame．
C．Afreeencyclopediainbookform．
D．Anonlineuniversity．
14．Fromthepassageweknowthat___
A．Wikipediaonlychargesusersasmallfee
B．Wikipediacatchesawideaudience
C．incorrecteditionsmightdogreatharmtoWikipedia
D．itwilltakel