Now，ChinahasthesecondlargestnumberofInternetusersintheworldaftertheUnitedStates．ManyofChineseInternetusersareteenagers．Theyspendabout13hourseverydayonline．OntheInternet，studentscanfindoutalmostanything．S

　　Now，ChinahasthesecondlargestnumberofInternetusersintheworldaftertheUnitedStates．ManyofChineseInternetusersareteenagers．Theyspendabout13hourseverydayonline．OntheInternet，studentscanfindoutalmostanything．SurfingtheInternetcanhelpthemwiththeirhomeworkandlearnalotofknowledge．

　　PeoplecanusetheInternettowriteletters，stories，andtosende-mails．Manyteenagerskeepintouchwiththeirfriendsonline．TheycanalsomakenewfriendsthroughQQorICQ．SomeofthestudentssurftheInternetjustforfun．Theyliketolistentomusic，watchfilms，andgototheirfavouritestars'websites．ButsomeparentsalwaysthinkthattheInternettakesyoungpeopleawayfromstudy．"Theyspendtoomuchtimeplayingcomputergamesandmostgamesareaboutkillingandfighting．It'stoodangerous．AndtherearesomedirtythingsontheInternet，"saysthemotherofa13-year-oldboy．

　　56．Accordingtothispassage，Chinahasthe___highestnumberofInternetusers．

　　A．second

　　B．third

　　C．fourth

　　D．fifth

　　57．Thephrase"keepintouchwith"means___．

　　A．浏览网站

　　B．交朋友

　　C．打电话

　　D．保持联系

　　58．SomeofthestudentssurftheInternetforfun．Whatcantheydo？___

　　A．Theycanlistentomusicandwatchfilms．

　　B．Theycangototheirfavouritestars'websites．

　　C．AandB

　　D．Wedon'tknow

　　59．SomeparentsworrythattheInternetis___．

　　A．helpful

　　B．dangerous

　　C．traditional

　　D．useful

　　60．What'sthebesttitleofthisarticle？___

　　A．TheInternet

　　B．Thecomputer

　　C．Theteenagers

　　D．SurfingtheInternet．