最早以动物为实验研究对象,系统地研究动物的学习行为的心理学家是( )。
A.托尔曼
B.苛勒
C.桑代克
D.华生
参考答案:C
— I got an “A” in Chinese again.
— You are ________ again.You can’t get an “A” every time.
A.showing off
B.giving up
C.worrying about
D.coming up with
--- is she? ---She’s a nurse.
A.What
B.Who
C.How
D.Whose