从教二十余年，听的课可谓不少，但真正能给我留下深刻印象的却寥寥无几。有的课即使当时上得很精彩，但现在回忆起来也只有一个模糊的轮廓而已。课后有老师评其课，认为是“课堂结构设计合理，教学语言精练”等，而我却不以为然，为了上一堂课，上上下下忙，反复试教多次，执 From teaching more than twenty years, listening to a lot of lessons, but really impressed me but very few. Some classes even though it was very exciting at the time, but now only recall a vague outline. After class teachers comment on their lessons, that is “a reasonable structure of the classroom design, teaching language concise” and so on, but I do not agree, in order to last class, up and down busy, repeated trial and error many times,