周建人的说明文《蜘蛛》,具体生动,富有强烈科学性。作为初二年级教材,无论对发展学生思维,还是训练学生的语言,提高学生阅读说明文的能力,都非常适宜。一、本文教学可以从课文开头引用的谜语导入。这一谜语概括了蜘蛛的生态特点。可是,学生一般只凭“稳坐中军帐”“排起八卦阵”来理解,而不领会“南阳诸葛亮”、“单捉飞来将”的含义。这是由于一般学生只观察到蜘蛛结网,而没有注意到它机智、巧妙地捕 Zhou Jianren’s descriptive article “The Spider” is vivid and scientific. As a second grade textbook, it is very appropriate for students to develop their thinking, train their language, and improve their ability to read expository texts. First, the teaching of this article can be imported from the riddle quoted at the beginning of the text. This riddle summarizes the ecological characteristics of spiders. However, students generally only rely on “sit in the Chinese military accounts” and “arrange eight battlements” to comprehend, not comprehend the meanings of “Nanyang Zhuge Liang” and “single catching flying will.” This is due to the fact that the average student only observes spider webbing without paying attention to its cleverness and cleverness.