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爬山虎的脚优质课一等奖教学视频(爬山虎的脚)

2022-09-16 17:30:45 新知 来源:
导读 大家好,小福来为大家解答以上的问题。爬山虎的脚优质课一等奖教学视频,爬山虎的脚这个很多人还不知道,现在让我们一起来看看吧!1、《爬山...

大家好,小福来为大家解答以上的问题。爬山虎的脚优质课一等奖教学视频,爬山虎的脚这个很多人还不知道,现在让我们一起来看看吧!

1、《爬山虎的脚》课文主要介绍了爬山虎生长的地方,爬山虎的叶子,爬山虎脚的形状和特点,以及它是如何一步一步往上爬的。

2、课文第2自然段写爬山虎的叶子。

3、从刚长出来到长大,叶子的颜色从嫩红变成嫩绿,长大后的叶子引人注目,并给人一种非常舒服的感觉。

4、课文的第3至5自然段作者形象地把爬山虎茎上的卷须比作“脚”,非常生动地描写了爬山虎脚的样子,以及它是怎样向上攀爬的。

5、它长在“茎上长叶柄的地方”,它的形状是“枝状的六七根细丝”,“每根细丝像蜗牛的触角”,颜色如新叶。

6、爬山虎的作用爬山虎夏季枝叶茂密,常攀缘在墙壁或岩石上,适于配植宅院墙壁、围墙、庭园入口处、桥头石堍等处。

7、可用于绿化房屋墙壁、公园山石,既可美化环境,又能降温,调节空气,减少噪音。

8、由于爬山虎的茎叶密集,覆盖在房屋墙面上,不仅可以遮挡强烈的阳光,而且由于叶片与墙面之间的空气流动,还可以降低室内温度。

9、它作为屏障,既能吸收环境中的噪音,又能吸附飞扬的尘土。

10、爬山虎的卷须式吸盘还能吸去墙上的水分,有助于使潮湿的房屋变得干燥;而干燥的季节,又可以增加湿度。

11、本文写了爬山虎的叶子、爬山虎的脚的具体形状和特点,以及爬山虎怎样用脚来爬墙,表达了作者对爬山虎的喜爱之情,告诉我们只有留心观察周围的事件,才能写出具体生动的文章。

12、《爬山虎的脚》的作者叶圣陶(1894年-1988年),原名叶绍钧,字秉臣,汉族人,江苏苏州人,著名作家、教育家、编辑家、文学、语文出版家和社会活动家。

13、解放后,叶圣陶曾担任出版总署副署长、人民教育出版社社长、教育部副部长。

14、扩展资料:爬山虎生性随和,适应性强,喜阴、耐干旱,在一般土壤中都能生长。

15、爬山虎占地少、生长快,绿化覆盖面积大。

16、一根茎粗2厘米的藤条,种植两年,墙面绿化覆盖面便可达30至50平方米。

17、由于爬山虎的茎叶密集,覆盖在房屋墙面上,不仅可以遮挡强烈的阳光,而且由于叶片与墙面之间的空气流动,还可以降低室内温度。

18、它作为屏障,既能吸收环境中的噪音,又能吸附飞扬的尘土。

19、爬山虎的卷须式吸盘还能吸去墙上的水分,有助于使潮湿的房屋变得干燥;而干燥的季节,又可以增加湿度。

20、参考资料:百度百科--爬山虎的脚本文写了爬山虎的叶子、爬山虎的脚的具体形状和特点,以及爬山虎怎样用脚来爬墙,表达了作者对爬山虎的喜爱之情,告诉我们只有留心观察周围的事件,才能写出具体生动的文章……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………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