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苏教版八年级下册《花儿为什么这样红》,是我国老一辈生物学家和著名的科普作家贾祖璋先生写的一篇科普事理说明文,文章从不同角度介绍了有关花朵为什么呈现红色和其他颜色的科学知识,重点说明花朵的红色是它自身的各种条件和需要,以及自然、人工等因素对它的作用而形成的结果,赞颂了人类创造性的劳动。考虑到内容比较枯燥,学生学习热情不高,课前我让学生自主阅读学习,熟悉课
The eighth edition of the Sujiao edition “why the flowers are so red” is a popular science explanation written by Mr. Zu Zhang, an elder generation of biologists and famous science writer. The article introduces the reasons why the flowers appear red and The scientific knowledge of other colors emphasizes that the flower’s red color is the result of its own various conditions and needs, as well as the effects of natural and artificial factors on it. It praises the creative labor of mankind. Taking into account the more boring content, students learning enthusiasm is not high, before I let the students to read and study independently, familiar with the class