Twelve-year-oldLeonardowasborninapoorfamilyinBambamarcainPeru.Heknewhowtoreadbuthehadneverseenabookinhislife.Soheaskedthenewpriest（牧师）inhisvillagetogivehimone.Buttherewasnoelectricity.SoLeonardoborrowedcandlesfromthechurchandsatupallnightreadingit.Thenextmorninghewasatthedoorofthepriestaskingforanotherbooktoread.

JohnMedcalfthepriest，wasmoved.Healsorealisedthatpeoplewouldlovetoreadifgivenachance.ButheknewhowdifficultitwasforLeonardoandthoseinhisvillagetogetbooks.Andyetnoonecanbetaughttoreadandwritewithoutbooks.Tomakepeopleinapoorfarawayareagrowtolovebookstheyhavetobewiththem.Sohethoughttheonlywaywastobringbookstopeople.

Buthowcouldthisbedone?MobilelibrariesorcarlibrarieswouldbetooexpensiveanddifficulttocontinueintherockyhillylandofPeru.Sowhatothermethodcouldbeused?

Medcalfgotanewideafromthebarefoot（赤脚）doctorsofChina.Andthatwashowthebarefootlibrarians（图书管理员）firstappearedinthevillagesofnorthernPerualmostthirtyyearsago.

Thelibrariansbeganbygoingfromvillagetovillagelendingbookstovillagers.TheyhelpedstartThe12ura1LibraryNetworkofPeru.

Atfirsttheywereteachersofthevillageschoolswhichthesefarawaylibrariesbelongedto.Buttheteacherswerenotveryinterestedinthejobbecauseitmeantalotofhardwork.Sovillageleaderstookonthejobthemselves.

Todaythereare600villagelibrariesacrossPeru.Thebarefootlibrarianswhowalkupto15hoursadaywithbagsofbooksaretheirlifeline.

21.ThefirstparagraphtellsusthatLeonardo________.

A.enjoyedreadingbooks B.boughtcandlesfromothers

C.hadalotofbooks D.livedinthechurch

22.Theunderlinedword"this"inParagraph3probablyrefersto________.

A.togrowtolovebooks B.tobuildanewlibrary

C.toreadandwrite D.tobringbookstopeople

23.Thepassagedoesn'tmention________.

Awhenthebarefootlibrariansappeared

B.whereMedcalfmetChinesedoctors