部编版三年级下册语文第4课《昆虫备忘录》ppt课件

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5、,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,汪曾祺, 江苏高邮人, 1920 年3 3 月5 5 日出生,中国当代作家、散文家、戏剧家、京派作家的代表人物。 被誉为“抒情的人道主义者,中国最后一个纯粹的文人,中国最后一个士大夫。” 汪曾祺在短篇小说创作上颇有成就,对戏剧与民间文艺也有深入钻研。,主要作品: 受戒 晚饭花集 逝水 晚翠文谈 等 。,备忘录,是指能够帮

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8、成才路,状元成才路,状元成才路,状元成才路,状元成才路,kn l f j kun chu m xi y 昆 录 凡 距 款 绸 膜 瞎 益,膜翅 益虫 瓢虫 霸王 蚂蚱 苍蝇 鞘翅 形态 丝绸 掌握 黑斑 褐色 琢磨 瞎忙 款式 咯咯作响 马铃薯,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元

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10、成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,词语解释,琢磨:思索;考虑 形象:能引起人的思想或感情活动的具体形状或姿态。本文中指相貌、样子。 款款:慢慢地 严丝合缝:指缝隙密合,也用来形容言行周密,没有一点儿漏洞。,有感情地朗读课文,说说作者由复眼想到了什么?介绍了几种昆虫?,蜻蜓 复眼,我从一本书上知道蜻蜓有复眼,从那以后,就一直在琢(zu)磨复眼是怎么回事。“复眼”,想必是好多小眼睛合成一

11、个大眼睛。那它怎么看东西呢?是每个小眼睛都看到一个小形象,合成一个大形象?还是每个小眼睛看到形象的一部分,合成一个完整的形象?总是琢磨不出来。(第一自然段),“一直”“琢磨”说明“我”对昆虫的“复眼是怎么回事”这个问题产生了浓厚的兴趣,并执着地想弄清楚其中的奥秘。,一连串的疑问,照应了前文“我”“一直在琢磨复眼是怎么回事”,表现了“我”的好奇,以及对问题刨根问底的性格特点。,凡(fn)是有复眼的昆虫,视觉都很灵敏。蜻蜓就有复眼,苍蝇(yn)也有。你走近蜻蜓和苍蝇,还有一段距(j)离,它们就发现了,噌(cn)飞了。(第二自然段),这句话是本段的中心距句,本段后面的内容都是围绕这句话来写的。,“凡

12、是都”强调了复眼的重要作用。,用蜻蜓和苍蝇的例子说明复眼的作用,破折号这里表示解释说明,瓢虫款(kun)款地落下来了,折好它的黑绸(chu)衬(chn)裙膜(m)翅,顺顺溜溜;收拢硬翅,严丝合缝。(第一自然段),花大姐,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

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14、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,北京人把瓢虫叫做“花大姐”,好名字。(第二自然段),“花大姐”加引号,表示特定的称谓。,“花大姐”这个名字生动形象,富有童趣。“花”形象地体现了瓢虫外形的漂亮硬翅上有许多颜色鲜艳的小圆点。瓢虫形态端庄,举止稳重,“大姐”的称呼与此相吻合。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才

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16、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,瓢虫,朱红的、瓷漆似的硬翅,上有颜色鲜艳的小圆点,特别漂亮。圆点是有定数的,不能瞎点。小圆点,叫作“星”,有七星瓢虫、十四星瓢虫星点不同。有的瓢虫吃蚜虫,是益虫;有的瓢虫吃马铃薯嫩叶,是害虫。我说,吃马铃薯嫩叶的瓢虫,你们就不能改改口味,也吃蚜虫吗?,这段从两方面来写的。一是瓢虫硬翅上圆点的情况圆点鲜艳,不同的品种圆点的数量不一样。二是瓢虫的生活习性,有的吃蚜虫有的吃马铃薯嫩叶。,状元成才路,状元成才路,状元成才路,状元成才路

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