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说明文是以说明为主要表达方式来解说事物、阐明事理而给人以知识的文章。这次习作,就请大家用物品自我介绍的方法,以“(某物品)的自述”为题,写一篇说明文。完成这篇习作,要注意以下几点:首先,要明确说明对象,即弄清选材范围。说明文分事物说明文和事理说明文两种,前者介绍事物的形状、构造、类别、关系、功能,后者解释事物的原理、含义、特点、演变等。这次习作,显然要求大家写一篇事物说明文。如果谁以《树木的自述》或《酸雨的自述》写了一篇关于环保的事理说
Description is based on the description of the main means of expression to explain things, clarify things and give people an article of knowledge. The exercise, please introduce the method of self-introduction of articles to “(an article) readme ” title, write an explanation. The completion of this exercise, should pay attention to the following points: First of all, it is necessary to clearly explain the object, that is, to find out the scope of selection. Explanatory text divided into two kinds of description of things and things, the former describes things shape, structure, category, relationship, function, which explains the principle, meaning, characteristics, evolution and so on. This exercise apparently requires everyone to write an article description. Who wrote an article on environmental protection with “Tree Read Me” or “Acid Rain”