1.高度拓展:“字理”延伸——巧用规律识字。教材主要以呈现形声字的构字规律为主,如《小青蛙》《动物儿歌》和“识字加油站”中的“包字族”识字。识字教学要在“字理规律”的高度上,揭示汉字普遍的构造规律,从而让学生学会利用这一规律进行自主识字。2.广度拓展:“同类”延伸——生活集词识字。部编教材采用“同类事物列举识字”这一方式,如《操 1. High degree of expansion: “Word ” extension - clever use of literacy. Textbooks are mainly based on the word-shaped structure of the characters, such as “Little Frog” “Animal Songs” and “Literacy Gas Station” in the “package” literacy. Literacy teaching should be in the “law of the word” height, to reveal the general rules of Chinese characters, so that students learn to use this law for independent literacy. 2 breadth expansion: “same type ” extension - life episode literacy. Department of textbooks used “similar things cited literacy ” this way, such as "exercise