商标的基本功能
参考答案：（1）区别功能。
（2）表明来源功能
（3）标示质量功能。
（4）广告宣传功能。
Not only _________ to the zoo, but also he ________ a good time.
A．he went ; had
B．did he go; did have
C．he went; did have
D．did he go; had
美国经济学家康蒙斯认为人类社会经济演化的动力是（）。
A.市场
B.技术
C.资本
D.制度
