二年级语文上册课文13《植物妈妈有办法》同步阅读种子的旅行素材新人教版.doc

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1种子的旅行植物的种子,有各种传播的本领。等到成熟了,它们就去旅行。蒲公英张开降落伞,随着风儿飘不停。一旦找到合适的地方,就在那里生根。风滚草的果子,蜷缩成一个个球形,随风在草原上滚动,把种子播进泥层。池塘里的睡莲,种子在水面漂行,随着波浪漂呀漂,直到沉在水底发芽生根。椰子树的果实像只小船,它的外壳又坚又硬,浪潮把它冲上海岛,岸边又会长出新的椰林。有的种子成熟了,蚂蚁会来搬运;有的种子靠鸟传播,鸟粪里常有幼苗诞生。有的种子长着钩、刺,能挂在人的衣服上旅行;有的种子根据湿度一张一缩,像动物一样向前缓缓爬行。植物的种子,有各种传播本领,一代又一代啊,繁衍它们的生命。

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