提出社会观察学习理论的是()
A.沃尔夫
B.斯金纳
C.巴甫洛夫
D.班都拉
E.华生
参考答案:D
Jenny has ____ all his money, so he has to ask his father for help. [ ]
A. used down
B. used up
C. used to
吞服强酸中毒时,不可用下列哪种解毒剂()。
A.牛奶
B.豆浆
C.50g/L碳酸氢钠液
D.蛋清
E.氢氧化铝