一、自学提要本篇说明了春蚕一生的自然发展过程,指出了蚕对人类的重要贡献,赞美了“春蚕到死丝方尽”的献身精神,是一篇事理清晰、文情并茂的说明文。我们学习这篇课文的时候,要弄清以下要点,力求学有所得:吃准题意。标题是文章的眼睛,精心提炼的标题往往能以一目尽传精神。本篇标题是唐代诗人李商隐《无题》诗中的成句,原作以“春蚕到死丝方尽,蜡炬成灰泪始干”来抒发彼此相爱、坚贞不渝的感情,一经引用,赋予新的意义。请想一想, I. Self-Study Summary This chapter describes the natural development process of the silkworm during its lifetime. It points out the important contribution of silkworm to mankind and praises the dedication of “Spring Silkworms to Dead Silk.” It is an expository document with clear and fluent context. When we study this text, we must make clear the following points and strive to learn what we have learned: to eat the right questions. The title is the eye of the article, and carefully crafted titles can often be delivered in one glance. This title is a sentence written by poet Li Shangyin’s “No Title” poem in Tang Dynasty. The original works with the feeling of “loving the silkworm to the end of dead silk, and tearing torches into tears before tearing into tears” to express their love for each other and their unfailing love. The significance. Please think about it