I'msorryIforgottowrite;Ihadsomuchelse________mymind.
GeneralMotors,oneoftheworld'slargestautomanufacturers,isexpandingits________inthiscountry.
设A,B,C为三个随机事件,且P(A)=P(B)=P(C)=1/4,P(AB)=0,P(AC)=P(BC)=1/12,则A,B,C中恰有一个事件发生的概率为()
EachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
曲线，渐近线的条数为（）
