题目

For the question of how to set goals, we have a very simple process that you can go through to set your personal goals.    36  Identify your personal values and task statements.    37    If you can identity your personal values, your personal goal will not go wrong. The starting point of all achievements is desire.    38    After you know your personal values, find out what you really want to achieve in every life aspect. Life has many aspects and in order to lead a happy life, you should set goals in every aspect. Write your goals down. Please pay attention to this.  �直线l1：x+my+6=0和直线l2：（m-2）x+3y+2m=0互相平行，则m的取值为（ ）A．-1或3B．3C．-1D．1或-3