教育心理学史上,操作性条件发射理论的代表人物是( )
A.桑代克
B.斯金纳
C.苛勒
D.布鲁纳
参考答案:B
—Is that your marker?
—________.[ ]
A. Yes, that is
B. Yes, it's
C. No, it isn't
D. No, that isn't
LOOP语句属于()语句。