麻黄制绒的作用是（）
A.降低毒性
B.缓和药性
C.消除副作用
D.洁净药物
E.矫臭矫味
参考答案：B
It was until last year that he ___________.
A．left his hometown for a new start
B．came to realize the important of learning English
C．worked as an English teacher at a middle school
D．set out to build a new house of his town
“能力低而努力的人受到更高评价，而能力高而不努力的人应受到最低评价”，这是哪位心理学家提出的归因理论的的基本结论之一（）
A、加涅
B、韦纳
C、布卢姆
D、沃尔伯特
