一、选择题(每小题4分,共16分)
1.(2012·湖南高考)设集合M={-1,0,1},N={x|x2=x},则M∩N=( )
(A){-1,0,1} (B){0,1} (C){1} (D){0}
1.(2012·蚌埠高一检测)若集合M={0,2,4},N={3,4,5},则M∩N等于( )
(A){0,2} (B){4}
(C){0,3,5} (D){0,2,3,4,5}
2.(2012·西安高一检测)若A={x|0 )
(A){x|x≤0} (B){x|x≥2}
(C){0≤x≤ } (D){x|0