题目内容
已知集合S=,则
A、{2} B、{1,2} C、{0,1,2} D、{-1,0,1,2}
B
解得,所以
已知集合S={x∈R|x+1|≥2},T={―2,-1,0,1,2},则S∩T=
A.{2}
B.{1,2}
C.{0,1,2}
D.{-1,0,1,2}
已知集合S={x|x2-x≥0},T={x|y=lgx},则S∩T等于
A.{x|x<0或x≥1}
B.{x|x>1}
C.{x|x≤0或x≥1}
D.{x|x≥1}
已知集合S={x∈R|x+1≥2},T={-2,-1,0,1,2},则S∩T=( )
A.{2} B.{1,2} C.{0,1,2} D.{-1,0,1,2}