This is my family tree. My name is Jack. I'm English. I have a big family. My wife(妻子) Allen is a teacher. We have two children. Tom is my son. Linda is my daughter. They are students in No. 2 Middle School. My father's name is Jeff. My mother's name is Grace. They are at home. Bill is my brother. He is a worker. Nancy is my wife's sister. She is a doctor. My wife's mother's name is Sue. Her father's name is Harry. They are old, too.

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设函数$f\left(x\right)\left(x\in R\right)$满足f(-x)=f(x),f(x)=f(2-x)，且当$x\in 0,1$时，$f\left(x\right)=x^3$.又函数$g\left(x\right)=\left|x\cos \left(\pi x\right)\right|$，则函数$h\left(x\right)=g\left(x\right)-f\left(x\right)$在$-\frac{1}{2},\frac{3}{2}$上的零点个数为（    ）