设$U=R,P=\left\{x|x>1\right\},Q=\left\{x|x\left(x-2\right)<0\right\}$则$C_U^{\left(P\cup Q\right)}=$（　　）

已知常数a（a是整数）满足下面两个要求：

①关于x的一元二次方程ax²+3x﹣1=0有两个不相等的实数根；

②反比例函数y=$\frac{2a+2}{x}$的图象在二，四象限．

（1）求a的值；

（2）在所给直角坐标系中用描点法画出y=$\frac{2a+2}{x}$的图象，并根据图象写出：

当x＞4时，y的取值范围 ；

当y＜1时，x的取值范围是．

    I am Lily. I like Music and PE very much. But I don't like Maths. Lucy is my friend. She likes Maths and Music very much. But she doesn't like PE. We love to dance and sing after class. We are good friends.