教育实验的共同特点是什么?
参考答案:(1)要有明确的研究假设
(2)对自变量的操作,即要有实验处理
(3)合理地控制无关变量
(4)教育实验特质目标的建立及其测评
Tom as well as his friends ____ to visit our school soon after they arrive in Changsha.
A.is coming
B.are coming
C.will have come
D.has come
中学生道德信念形成大体上经过()三个阶段。
A.理解
B.练习
C.模仿
D.信服
E.内化