如何有效地组织实施教学,是教学研究的永恒主题。实践证明,教学过程过宽,课堂容易放任自流,过严则难免刻板、枯燥。为达到有效施教的目的,我们不妨把教学过程予以细化,规范、科学、严谨地实施教学,实现教学方法的最优 How to organize and implement teaching effectively is the eternal theme of teaching and research. Practice has proved that the teaching process is too wide, easy to let the class flow, too strict and inevitable rigid, boring. For the purpose of effective teaching, we may wish to refine the teaching process, standardize, scientifically and rigorously implement the teaching, to achieve the optimal teaching methods