“点其关键，拨其阻塞”，多快好省地提高教学效率，这是蔡澄清老师点拨教学的精髓和目的所在。蔡老师认定的“关键”与“阻塞”，是因人因文而异的，即使是同一课文，学习的对象不同，“关键”与“阻塞”的定位不同，点拨的门径和方法也不同。但殊途同归，各得其宜。“点... “Pointing at its key points and dialing out its obstructions” will improve teaching efficiency more quickly and economically. This is the essence and purpose of Tsai clarifying the teacher’s teaching. The “key” and “blocking” identified by Teacher Tsai are different because of the differences between the two languages. Even if it is the same text, the object of study is different. The positioning of “key” and “blocking” is different, and the method and method of the dialing are different. But all the same goes for each other. "point...