“日照香炉生紫烟,遥看瀑布挂前川。”这是诗仙李白《望庐山瀑布》中的千古名句。再次备课时,学生曾提出的“什么是紫烟”的问题又出现在眼前。翻阅资料,人教版教参解释为“紫色的云霞”;小学生教材全解说是“紫色的水汽”;打电话请教物 “Rizhao incense raw purple smoke, see the waterfall hanging Qianchuan.” This is the poet Li Bai “Look Lushan Falls” in the ages. Once again prepare lessons, the students have put forward “What is a purple smoke ” the problem again appears in front of us. Read the information, PEP teach the interpretations interpreted as “Purple Yunxia ”; pupil textbook solution is “purple water vapor ”; call please teach