问题 选择题

已知集合M={x|(x-1)2<4,x∈R},N={x|-2<x≤3,x∈Z},则M∩N=(  )

A.{0,1,2}

B.{-1,0,1,2}

C.{-1,0,2,3}

D.{0,1,2,3}

答案

由M={x|(x-1)2<4,x∈R}={x|-1<x<3},

N={x|-2<x≤3,x∈Z}={-1,0,1,2,3},

则M∩N={0,1,2}.

故选A.

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