下列各项不属于动物社会行为重要特征的是[ ]
A．群体内部有一定的组织
B．成员之间有明确地分工
C．同一群体个体之间的相互识别
D．群体中形成等级
答案：C
A．Go along this street to the end. B．Are you feeling better now C．I went to the Palace Museum. D．OK, it’s a piece of cake. E．How far is it
A:Can you repair my watch B：______
