Gaokao Math Practice Question
1. 设集合 $M=\{x \mid 0<x<4\}, N=\left\{x \mid \frac{1}{3} \leq x \leq 5\right\}$, 则 $M \cap N=($,
- A.$\left\{x \mid 0<x \leq \frac{1}{3}\right\}$
- B.$\left\{x \mid \frac{1}{3} \leq x<4\right\}$
- C.$\{x \mid 4 \leq x<5\}$
- D.$\{x \mid 0<x \leq 5\}$
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