【Intoday'sInternetage，onlinegamescanbeachangefromthepressureofschoolandwork．However，theycanalsocauseproblemsandunhealthyaddictions．ThisismostclearlyseenintheexampleofSouthKorea．Thiscountryhastheworld'shig】
Intoday'sInternetage，onlinegamescanbeachangefromthepressureofschoolandwork．However，theycanalsocauseproblemsandunhealthyaddictions．ThisismostclearlyseenintheexampleofSouthKorea．Thiscountryhastheworld'shighestpercentageofhigh-speedInternetservices．Ithasalsoahighnumberofgameplayerswhoareaddictedtoonlinegames．
In2004，ayoungmandiedafterplayingonlinegamesalmostnonstopfor86hours．A12-year-oldboystole$16，000fromhisfathertocontinueonlinegameswhichhecouldnotgetawayfrom．SuchproblemsarespreadingtootherpartsofAsiaaswell．In2005，itwasreportedthatabout80percentofChina's13.8milliononlinegameplayerswereunder25．Andmanyoftheseweresaidtobeaddicted．SuchnumberspointtowardagrowingproblemamongChineseyouth．
Dr．Sue-HueiChen，apsychologist，discoveredsomesignsofat-riskpeople．Suchpeopleoftengoonlinetoescapefromtheirproblems．Andtheyusuallyhavenofriendshiporgoodsocialskills．Theyfeeltheneedtospendmoreandmoretimeonline，sotheymaybeabsentfromschoolorfamily．Andtheybecomeupsetifanyonetriestolimittheironlinegameplaying．
21．Thepassageismainlyabout___．
A．onlinegames
B．problemscausedbyonlinegames
C．computerproblemsinAsia
D．problemscausedbyyoungpeople
22．Inthepassage，thewritertellsusafactthat___．
A．SouthKoreahasalargenumberofInternetschools
B．Moreandmoreyoungmenarestealingmoneyforonlinegames
C．China'sonlinegameplayersareallundertheageof25
D．OnlinegameaddictionisaverycommonprobleminSouthKorea
23．Afterreadingthepassage，weknowthatinChina___．
A．manyyoungpeopleareplayingonlinegamesforfun
B．manyyoungpeoplearegettingaddictedtoonlinegames
C．onlythoseunder25liketoplayonlinegamesforlongperiods
D．80percentoftheChinesedependononlinegamestogetrelaxed
24．Accordingtothepassage，___aremorelikelytobecomeaddictedtoonlinegames．
A．peoplewithunsolvedproblemsandfewfriends
B．peoplewellknowninthefieldofcomputergames
C．peopleundergreatpressurefr