已知直角坐标系xoy中，直线l的参数方程为$\left\{\begin{array}{c}x=t-3\\ y=\sqrt{3}t\end{array}\right.$(t为参数）．以直角坐标系xOy中的原点O为极点，x轴的非负半轴为极轴，圆C的极坐标方程为ρ²﹣4ρcosθ+3=0，则圆心C到直线l距离为____ 

下列人物不属于梁山泊中的三员女将的是（       ）

    I started to learn English when I was six. My dad gave me1advice on listening to the Beatles. I listened to them every day for the next seven years. At the beginning, I could understand2of what they sang. But soon I started to understand some of the3.

    4 I got a book with the words of all the songs. And when I had time, I would read it. I learned many songs5this book. I6the songs to myself. Still, I understood very7of the meaning. To learn English well became my8, and I wanted to learn the9of the Beatles' songs. That is how I started to learn English.

    Today, I can understand the Beatles very10. Each time I hear a Beatles' song, I am happy and proud because my dream of learning English well has come true.