态度
参考答案：态度通常是指个体对环境中独立于主体之外的人或事物的认知系统、情绪反应以及行为倾向。
— Are you worried when your son often plays computer games?
— Yes. I think playing computer games _____ on teenagers. [ ]
A. have a good effect
B. has a good effect
C. has a bad effect
D. have a bad effect
在《孝经》的《三才章第七》中，讲到的“三才”是指（）。
