建构主义的学习理论认为,新知识的学习是建立在旧有知识基础上的,是结合一定的经验进行自主探究和总结的主动过程。因此,教师应当摒弃灌输式教学,合理压缩课堂讲授时间,给学生留出更多的自主探究、实践操作以及评价总结的实践,充分发挥学生的主观能动性和自主探究能力。以问代讲,焕发学生思维活力学习的过程是不断创新的过程,也是需要一定互动和交流的过程。一个人的思维有时是很狭窄的,需要通过与他人的交流 Constructivism theory of learning that the learning of new knowledge is built on the basis of the old knowledge, is a combination of certain experiences of independent inquiry and summary of the initiative process. Therefore, teachers should abandon instillation teaching, reasonably reduce classroom teaching time, give students more independent exploration, practice and evaluation of practice, give full play to students’ subjective initiative and self-exploration ability. To ask on behalf of, glow student learning process of thinking is the process of continuous innovation, but also the need for some interaction and exchange process. Sometimes a person’s thinking is very narrow, need to communicate with others