教与学,是教学双边活动中的一对主要矛盾。教与学不同步的课堂教学往往是教不到位,学不得法。教师在教学中要善于提供学生的手、脑、口都参与教学活动的全过程,抓好思维的启动,引导学生看、做、说、思、议、写,形成知识链和思维链。 Teaching and learning are two major contradictions in teaching bilateral activities. Teaching and learning are not synchronous classroom teaching is often not taught, can not learn law. Teachers should be good at teaching students to provide the hands, brain, mouth are involved in the whole process of teaching activities, do a good job in thinking, guide students to see, do, say, think, discuss, write, the formation of knowledge chain and thinking chain.