题目

How to Be a Great Best Friend Everyone wants to be a great best friend but doesn't know how or where to start that perfect friendship.The following will help you. Be your own best friend first._36_If you can't respect yourself,then you can't respect others.Understand what values are important to you and stick to them.Seek out others who honor those values because you'll only end up hurting yourself and possibly others if those people don't have the same values as you. Trust each other._37_All you have to do really is make sure you can both trust each other.Don't try to trick or use you下列各物理量中属于标量的是（　　）A．加速度B．位移C．速度D．时间