如何正确使用现代教育技术,充分发挥其教学实效性是一个必须研究的课题.笔者在长期的实践过程中对这个问题进行深刻的思考,形成以下几个认识与同仁们探讨、交流.1应用Powerpoint幻灯片,扩大课堂教学容量在平时的概念、定理教学课、练习课,特别是毕业班的复习课,用黑板书写总觉 How to correctly use the modern educational technology and give full play to its teaching effectiveness is a subject that must be studied.The author thinks deeply about this issue in the course of long-term practice, and forms the following understanding and discussion with colleagues.1 Powerpoint Slide, expand the classroom teaching capacity in the usual concept, theorem teaching class, practice class, especially the graduating class review class, write the total blackboard feel