题目

How to Make Friends Friendship is a very important human relationship and everyone needs good friends. Good friendship has many benefits. It offers companionship, improves self-worth and promotes good health. There are times in our lives such as when we have recently moved into a new town, or changed our jobs or schools. Such changes often leave us without a friend.  36  But for many of us the process is difficult and requires courage. Below are some helpful suggestions on how to make and keep friends. 1. Associate with others. The first step to make friends is associating with other (1)求曲线ρcosθ+1=0关于直线θ=对称的曲线方程.（2）从极点O引定圆ρ=2cosθ的弦OP，延长OP至Q，使=23，求点Q的轨迹方程.