【篇章结构请回答下面是一篇杂志文章,请将标有A-F的段落插入文章中标号11-15的合适位置,使这篇文章意义完整,结构连贯；其中有一个段落是多余的.将答题纸标号为11-15中的相应字母涂黑.Librar】

　　篇章结构请回答

　　下面是一篇杂志文章,请将标有A-F的段落插入文章中标号11-15的合适位置,使这篇文章意义完整,结构连贯；其中有一个段落是多余的.将答题纸标号为11-15中的相应字母涂黑.

　　Libraries

　　Noonecanhopetoownallthebookshemaywanttoreadoruse.[11]┈

　　Agoodlibrarycontainsthousandsofbooksonallkindsofsubjects.Theyarearrangedontheshelvesincertainordersothatanyparticularbookiseasytofind.[12]┈

　　[13]┈Ifwearelookingforaparticularbookorabookonaparticularsubject,wewillneedtolookupacardindex.Anauthorindexlistsauthorsalphabeticallyandtellswhichoftheirbooksareinthelibrary.Asubjectindexlistsallthebooksinthelibraryonanyparticularsubject.Bothindexeslistclassificationnumberssothatthebookscanbefoundeasily.

　　[14]┈Thebooksinthereferencelibraryarereferencebooksandareforuseinsidethelibraryonly.Theyincludedictionaries,directories,andencyclopedias.Thereferencesectionusuallyhasaselection,ofup-to-datenewspapersandmagazines.[15]┈

　　A.Mostlibrarieshaveareferencesectionaswellastheordinarylendingsection.

　　B.Eachsubjectisgivenanumberaccordingtoastandardmethodofclassification.

　　C.Fictionbooks,forexample,areusuallyarrangedalphabetically,accordingtothenamesoftheauthors.Nonfictionbooksarearrangedsubjectbysubject.

　　D.Readerscanfindthebookstheywanttoreadbycomputersineverylibrary.

　　E.Fortunatelytherearelibrariesinmosttownsthatwilllendusthebooks.Someareschoollibraries,othersarepubliclibraries.Theremayevenbetravelinglibrariesthatvisitremoteareas.

　　F.Readersmayalsobeabletoreadoldissuesofnewspapersonmicrofilmbymeansofamicrofilmreader.Storinginformationonmicrofilmsavesalotofvaluablespace.Inuniversityandsomeotherlibrariescopiesofmanythings,forexample,documents,articles,andplans,areavailableonmicrofilm