Gaokao Math Practice Question
1. （5 分）已知集合 $M=\{x \mid-1<x<3\}, N=\{x \mid-2<x<1\}$, 则 $M \cap N=(\quad)$
- A.$(-2,1)$
- B.$(-1,1)$
- C.$(1,3)$
- D.$(-2,3)$
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