课堂教学犹如一条折线统计图,需要连贯,也需要跌宕起伏的高潮与低谷。如此,方能抓住孩子们的眼球,突出一节课的重难点。一节课的激情处,我们带领孩子们冲向顶峰,其余处,我们可以或平缓或俯冲,减缓思考的难度与坡度,适时适当地引领孩子静静思考、慢慢地揣摩。同样,课堂教学离不开素材的支撑与辅助,如果素材出彩,课堂教学也必然充盈。那么,如何选用、改编素材,使之服务于教学呢?我觉得我们可以在一般的课本上的 Classroom teaching is like a line chart, need coherent, but also the ups and downs of ups and downs. In this way, can only catch the children’s attention, highlighting the heavy difficulty of a class. In the passion of a lesson, we lead the children to the top. In the rest, we can ease or dive down to ease the difficulty and inclination of thinking. We should lead the child to think quietly in time and try to figure out slowly. Similarly, classroom teaching is inseparable from the material support and assistance, if the material out of color, classroom teaching is bound to fill. So, how to choose, adapt the material, make it serve the teaching? I think we can in the general textbook