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会员课件|浮光绿影:青青一株龟背竹

  • 2026-04-02 17:25:06
会员课件|浮光绿影:青青一株龟背竹

大家发现了吗?无论是在家里还是学校,到处都有绿植的身影。它们就像勤劳的“空气净化器”,每天忙着吸走灰尘、制造新鲜氧气,让我们呼吸得更舒服。在这么多植物朋友里,今天有一位造型最酷的“大明星”要登场了,它就是——龟背竹

快瞧,这位大明星撑起了一把把碧绿的“遮阳伞”。它最神奇的地方就在叶子上:大大的叶片两边像是被大自然剪开了一道道缝隙,中间还藏着圆圆的小洞,就像一扇扇透光的小窗户。你们发现了吗?这些奇妙的裂纹,长得特别像乌龟背壳上的花纹,所以大家才给它取了“龟背竹”这个有趣的名字,是不是很形象呀?龟背竹长得这么洋气、这么清新,深受人们喜爱。

今天,我们也来当一回小小艺术家,尝试用剪贴与绘画结合的方法,亲手“栽种”一盆独一无二的龟背竹。现在,请大家准备好剪刀和画笔,一起去创造指尖上的奇妙绿叶吧!

1.抓住龟背竹叶子的特征,用不同深浅的绿色卡纸剪出叶片外轮廓,并通过有方向、有疏密变化的线条刻画叶脉纹理。
欣赏课件中的图片,引导小朋友观察龟背竹叶子的外形特点:整体呈爱心形,边缘有自然裂口和大小不一的孔洞。剪贴时,可以先从大形入手,剪出完整的叶片轮廓,再根据叶子的生长特点剪出裂口与“洞洞”。在颜色选择上,鼓励使用浅绿、草绿、深绿等不同色卡纸进行搭配,让画面更有层次感。完成造型后,用白色或浅色笔沿着叶脉方向添加线条,注意线条的疏密、长短和弯曲变化,使叶片看起来更有质感和生命力。

2.合理安排叶片的前后关系与位置,并通过添加陶盆、瓢虫等元素,增强画面的趣味性与视觉效果。

在构图时,引导孩子思考“叶子长在哪里、怎么摆更好看”,通过大小变化、前后遮挡和高低错落来组织画面,让作品更有空间感。可以先确定陶盆的位置,再逐步添加叶片,让叶子从盆中“长出来”。完成主体后,鼓励孩子添加瓢虫、小点点等装饰元素,让画面更生动有趣。同时提醒注意画面疏密关系,比如有的地方可以丰富一些,有的地方适当留白,这样作品看起来会更加协调、有节奏感。

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  138. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/a.sjds.net/runtime/temp/97cad012e8e159aae2fe347a411e8351.php ( 12.06 KB )
  140. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000707s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000653s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000921s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.001179s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000732s ]
  6. SELECT * FROM `set` [ RunTime:0.000606s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000766s ]
  8. SELECT * FROM `article` WHERE `id` = 489575 LIMIT 1 [ RunTime:0.001182s ]
  9. UPDATE `article` SET `lasttime` = 1775468276 WHERE `id` = 489575 [ RunTime:0.001280s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000258s ]
  11. SELECT * FROM `article` WHERE `id` < 489575 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000512s ]
  12. SELECT * FROM `article` WHERE `id` > 489575 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003973s ]
  13. SELECT * FROM `article` WHERE `id` < 489575 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.006693s ]
  14. SELECT * FROM `article` WHERE `id` < 489575 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.008707s ]
  15. SELECT * FROM `article` WHERE `id` < 489575 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006824s ]
0.125310s