几日前,笔者读到了郑板桥先生的诗句,他老人家曾写过一首诗:“四十年来画竹枝,白天挥洒夜间思。冗敏除去留清瘦,画到生时是熟时。”笔者认为这是郑老四十年来画竹的经验之谈,也是他人生哲理经过深思熟虑后的经世之作。每每念这首诗时,我便想到了今天的课堂教学,尽管郑老是画家,但画画与教学不也有相通之处吗?笔者以为郑老的这首诗便切中了教学中的两大问题:备课与反思。从“冗敏除去留清瘦”这句,我不禁又想到了郑老的又一句 A few days ago, I read the poem of Mr. Zheng Banqiao, and his elder had written a poem: “Painted bamboo branches in forty years, swaying the night thinking during the day. They think that this is the story of the experience drawn by Zhuo in the past 40 years and the after-thought-case analysis of his philosophy of life. Every time I read this poem, I think of today’s classroom teaching, although Zheng is always a painter, but drawing and teaching do not have the same place? I think this old poem will cut into the teaching of the two Problem: lesson preparation and reflection. From ”Redundant to remove lean" This sentence, I can not help but think of another old Zheng sentence