She's friend. ( )
A:I
B:my
已知数列{an}、{bn}满足bn=log2an,n∈N*,其中{bn}是等差数列,且a9•a2008=14,则b1+b2+b3+…+b2016=( )
设集合U=x,y|x∈R,y∈R,A=x,y|2x-y+m>0,B=x,y|x+y-N≤0=,则点P2,3∈A∩CuB的充要条件是( )