Haveyoueverheardof“3G”?Third-generation(代)mobilephoneknownas3Garepopularrecently.UserscansurftheInternetandenjoyvideosontheirphones.Firstlyforsomeforgetfulpeopletheywillgetintotroubleiftheyforgetsomeim

　　Haveyoueverheardof“3G”?Third-generation(代)mobilephoneknownas3Garepopularrecently.UserscansurftheInternetandenjoyvideosontheirphones.Firstlyforsomeforgetfulpeopletheywillgetintotroubleiftheyforgetsomeimportantthings.Nowyoudon’tneedto(__1.____)itanymore.A3Gphonecanreceivevideonewsprogramsandmessages.Secondlyyouareneverafraidoflosingyourwayhome.3Gphonesoffermapservicessothattheycan(__2.____)justbypressing(按)afewkeysonyourphone.Themostimportantpartofthe3Gtechnologyisvideocalling.Youcan(_3.____)yourfriendsandfamilyfacetofaceonyourphone.

　　It’sbelievedtobringpeopleconvenienceintheirdailylives.