异常因素的特点是()
A. 影响较大
B. 有时存在
C. 一系列产品受到同一方向的影响
D. 不难除去
1. _______ activities, from a positive say, can wake the children up and stimulate them. ______ activities, on the other hand can make the children calm down when they are over-excited.
2. Activities that require children to think hard are classified as “ ______ engaged activities”. Activities that require children to do things with their hands are called “______ engaged activities”.
1. How to correct and what to correct largely depends on the ________ of teaching.