相关Cellphoneuseandtexti的文学知识

问题详情：    Cellphoneuseandtextingareincreasinglycommon,especiallyamongteenagers.Manystudentsthinkthatmultitasking(同时做多件事)hasnoeffectonhowtheyperforminschool,saysColterNorick,17.SotheMontana...