简述管理过程中总结阶段需要注意的问题。
参考答案：
①应客观公正
②要有教职工参加
③要注意碳素规律
④总结应能为下一阶段工作指明方向
Huang Hua is from China . His English name is Tom. He is 30. His telephone number is 0593-6380789. He is in Yuying High School . He is a good teacher. We all like him very much.
在实施强化的过程中，看电影、看画册、过生日、郊游等属于( )
A．拥有性强化物
B．操作性强化物
C．社会性强化物
D．活动性强化物
