低年级的科普文都是浅显易懂的,可以以读代讲,了解课文大意。学生通过自读感悟、师生配合读、进入情境读等多种方式让学生多读课文,把课文读流利,就基本能读明白课文的意思了。以读代讲并不是不需要讲,在关键的地方也要讲。这些讲,要简单、明了,要教会学生掌握学习方法,自主参与到学 The lower grades of science are plain and easy to understand, you can read on behalf of, understand the text. Students through self-read sentiment, teachers and students with the read, enter the situation to read and other ways to allow students to read more texts, the text read fluently, you can read the basic understanding of the meaning of the text. It is not necessary to speak in reading passages, but also in key areas. These sayings should be simple and clear, teach the students how to master the learning method and participate in the study independently