关于我国南方地区农业生产的叙述正确的是（    ）

在直角坐标系xOy中，直线l的参数方程为$\left\{\begin{array}{c}x=3+t\\ y=\sqrt{3}t\end{array}\right.$(t为参数），以原点为极点，x轴正半轴为极轴建立极坐标系，圆C 的极坐标方程为$\rho =2\sqrt{3}\sin \theta$．

（1）写出直线l的普通方程及圆C 的直角坐标方程；

（2）点P是直线l上的，求点P 的坐标，使P 到圆心C 的距离最小．

选词填空。

满意  满足

①他从不____于已有的成绩。

②果农对机器人的工作表现十分____。

阅读短文，选择正确答案
    Come and see the Indian elephants and tigers from America. The koalas are waiting to meet you, and the monkeys from Thailand are waiting to throw things at you. The cute dogs from Australia are waiting to laugh at you, and the giraffes from Zambia are waiting to look down on you.
Tickets (票)                                           Time
Adult (成人): $ 6                                   June 1~ June 2
Children: Free                                       9:00 am.~ 7:00 pm.
Keep the park clean!
    Do not touch (触摸), give food or go near the animals!