Withthedevelopementofthetecknoledge,Internethasbecomeanimportantpartofourlife.Moreandmorepeopleusetheinterneteveryday.TheInternetbringsuslotsofconvinientandmakeourlifeeasyandcolorful.Wecansurftheinternetforinformation,downloadmusicandmovies,listentomusiconlineandsoon.Besides,itmakesuscommunicatewitheachothereasily,suchas,chattingonline,sendingandreceivinge-mails.What'smore,lotsofpeopleusetheinternettowork.

　　Likeeverycoinshastwosides.theinternethasdisadvantages,too.Ifyouspendtoomuchtimeonit,itwilldoharmtoyourhealth.Bisides,cheatingonlineisverycommon,too.Soweshouldusetheinternetcorrectly.