清代著名诗画家郑板桥曾在自己的书斋前题了这样一副楹联:删繁就简三秋树,领异标新二月花。据说这是他的绘画观,就是用最简练的笔墨去表现最新颖的内容。简练得宛如深秋的树,没有繁花密叶,只有粗枝主干;新颖得似二月的花,发百花所未发,领异标新。那么教学中是否也可以受此启发,以“删”导读,以读会文,进而在教学上取得意想不到的效果呢?答案当然是肯定的。下面,我以《天火之谜》(苏教版五年 Zheng Banqiao, a famous poet and painter of the Qing Dynasty, once wrote a couplet in his own book before his speech. It is said that this is his concept of painting, is to use the most concise pen and ink to express the most novel content. Concisely like a late autumn tree, there is no flowers dense leaves, only the thick branches of the trunk; novel was like February’s flowers, made a hundred flowers never sent, led the new standard. Is it possible that teaching can also be inspired by this, reading “essay” in order to read the essay, and then achieving unexpected results in teaching? The answer of course is affirmative. Below, I “Mystery of Heavenly Fire” (Soviet version of five years