问题 选择题 设集全A={x||0≤x≤5且x∈Z},B={x|x=k2,k∈A},则集合A∩B=( )A.{0,1,2}B.{0,1,2,3}C.{0,1,3}D.B 答案 分析可得,A={0,1,2,3,4,5},B={0,12,1,32,2,52},∴A∩B={0,1,2},故选A.