以赫尔巴特为代表的“教师中心论”主张( )。
A.学生处于主体地位
B.教师处于主导地位
C.教师处于顾问地位
D.学生活动处于中心地位
参考答案:B
Which of the following is NOT an assumption of the constant growth dividend discount model (DDM)()
A. The growth rate of the firm is higher than the overall growth rate of the economy.
B. ROE is constant.
C. Dividend payout is constant.
弹性元件在单位负荷下产生的变形称为弹性元件的()
A.强度
B.刚度
C.灵敏度