人教版四年级上册第二单元共有四篇课文,《古诗两首》《爬山虎的脚》《蟋蟀的住宅》和《世界地图引出的发现》,其中《蟋蟀的住宅》是19世纪法国著名昆虫学家法布尔写的一篇观察笔记。课文主要讲述的是蟋蟀住宅的特点,以及蟋蟀建筑住宅的才能。蟋蟀是大家非常喜爱的一种小动物,它身上还有哪些我们不知道的事儿呢?现在我就带领大家去全面地了解一下。 PEP 4 in the second unit contains a total of four texts, “two ancient poems”, “the foot of the creeper,” “cricket residential” and “the discovery of the world map leads to”, “crickets residential” is the 19th century French famous insects An observation note written by scientist Fabre. The main text is about the characteristics of the cricket house, as well as the talent of cricket building houses. Cricket is a small animal we all love very much. What other things we do not know about it? Now I will lead you to a complete understanding.