()总结出学习的四条规律:习得律、条件强化、泛化作用和消退作用。
A.华生
B.罗杰斯
C.杜威
D.斯金纳
参考答案:D
The man who was of killing four children in the care center was arrested and sentenced to death.
A.suspected
B.charged
C.reminded
D.punished
属于材料采购合同的主要条款有()。
A.订购数量
B.质量要求
C.交货地点
D.违约责任
E.保险