七月份，下列哪个城市均温最低 （    ）

已知集合$M=\left\{x|0<x<3\right\},N=\left\{x|x^2-5x+4\ge 0\right\}$，则$M\cap N=$（  ）

根据短文内容，选择正确答案。
   It’s Sunday morning．There are many people in the park，some boys  are playing basketball．There are some girls under a big tree．They’re singing and dancing．What are those women doing? They are drinking tea．Look at the woman in a blue coat．Who's she? She’s my mother．She is talking to Lin Feng．Lin Feng is her student．He is a good student．He studies hard．He’s good at all the subjects． And he's friendly to all his teachers and his friends．