TheInternetisnotorganized.ThereisnooneinchargeoftheInternet.Itissometimesdifficulttofind
whatyouarelookingfor.Itisalsoeasytogetthewronginformationonthe"Net".
SomebusinessmencheatpeopleontheInternet.Internetthievescanstealcreditcardnumbers.Some
advertiserssendspamtoe-mailboxes.E-mailboxesareoftenfilledwiththeseunwantedadvertisements.
IllegalbusinessescanoperateontheInternet.ThesebusinessessellX-ratedmaterials,cigarettesand
alcoholtoteenagers.
TheInternethaswebsiteswithinformationaboutmakingbombs,breakingthelawandterrorism.
Criminalscanfoolpeople,especiallychildren,inchatrooms.Theycanspreadpoisonousinformationand
attacknewmembers.
TheInternetisthegreatestadvanceincommunicationsincehumanemerged.Butitcanalsolikeadarkalleyinadangerouspartoftown.ParentsneedtosetparentalcontrolsontheirchildrenwhentheyusetheInternet.Thiswillkeepsomeofthebadmaterialawayfromtheirchildren.
TheInternetcanbedangeroustocomputers,too.Somepeoplewhohaveevilintentionsenjoycausingproblemsforotherpeopletheydon'tevenknow.Theycreatecomputerviruses.Acomputercangetvirusbydownloadingaprogramthathasavirusinit.Someviruscomebye-mail.
Aviruscandestroythedataapersonhassavedincomputerfiles.Aviruscancauseacomputerto
crash.Aviruscanalsoreproduceitself!Itcansendcopiesofitselftoeveryoneonaperson'se-mail
addresslist.Thenthesepeople'swillhavethesameproblemsandcan'tworknormally!
B.BecausethereisnooneinchargeoftheInternet.
C.BecauseX-ratedmaterials,cigarettes,alcoholandsooncanbesoldwellontheInternet.
D.BecausepeoplewhooperatebusinessesontheInternetarecriminal
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