题目

阅读理解 If someone asks me: “Do you like music?” I’m sure I will answer him or her: “Of course, I do,” because I think music is an important part of our lives. Different people have different ideas about music. For me, I like rock music because it’s so exciting. And my favorite rock hand, the “Foxy Ladies”is one of the most famous rock bands in the world. I also like pop music. My classmate Li Lan loves dance music, because she enjoys dancing. My best friend, Jane, likes jazz music . She thinks jazz is really cool. “I like dance music and rock very much,” says 在平面直角坐标系中，已知曲线的参数方程为（， 为参数）.以坐标原点为极点， 轴的正半轴为极轴，取相同的长度单位建立极坐标系，直线的极坐标方程为.（1）当时，求曲线上的点到直线的距离的最大值；（2）若曲线上的所有点都在直线的下方，求实数的取值范围.