题目

The amount of money given to everyone will be the same, _____ whether they are kids or adults.    A. in case of    B. instead of    C. regardless of   D. because of   答案：C在平面直角坐标系中，曲线的参数方程为（为参数）.（1）求曲线的普通方程；（2）在以原点为极点，轴的正半轴为极轴的极坐标系中，直线的极坐标方程为，过直线上一点引曲线的切线，切点为，求的最小值.