4-昆虫备忘录word版本.ppt

,4,昆虫备忘录,你认识这些昆虫吗？在我们的生活中，有很多的小昆虫，它们有着怎样的生活习性？让我们一起走进课文，去了解一下这些有趣的小动物们吧。,人教版 语文 三年级 下册,4,昆虫备忘录,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（,19201997,），江苏高邮人，中国当代作家、散文家、戏剧家、京派作家的代表人物。,主要作品：,受戒,沙家浜,大淖记事,等。,作者简介,备忘录 凡是 距离,存款 绸带 薄膜 瞎编,利益,大约 蚂蚱 黑斑,备忘,录,凡,是,距,离,存,款,绸,带 薄,膜,瞎,编,利,益,大,约 蚂,蚱 黑,斑,l,fn,kun,chu,j,m,xi,y,yu,bn,m,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,录,约,约,录,七星瓢虫能消灭害虫吗？请你帮帮它。,凡,凡,款,距,绸,益,瞎,膜,款,距,绸,益,瞎,膜,蚂,蚂,斑,斑,识字游戏,小蜜蜂飞来了,复眼,琢磨,严丝合缝,备忘录,款款,状元成才路,识字方法,加一加,：月,+,莫,=,膜,目,+,害,=,瞎,字理识字,：,距,形声字。,“,足,”,表意，表示字义,和脚有关,；,“,巨,”,表声，表示,“,距,”,是,鸡、稚等腿后面突出像脚趾的部分,。,琢磨,_,发现,_,灵敏,_,漂亮,_,思考,灵敏,_,完整,_,喜欢,_,发觉,敏捷,美丽,迟钝,残缺,讨厌,昆虫,昆虫种类繁多、形态各异，属于,无脊椎,动物中的,节肢动物,，是地球上,数量最多,的动物群体，在所有生物种类（包括细菌、真菌、病毒）中占了超过,50%,，它们的踪迹几乎遍布世界的每一个角落。,词语解释,复眼,：,一种由不定数量的小眼组成的视觉器官，主要在昆虫及甲壳类等节肢动物的身上出现。,蜻蜓长着一对,复眼,。,琢磨：,思索、考虑。,本课指,“,我,”,思考蜻蜓的复眼。,他是个遇事爱,琢磨,的孩子。,一种薄而软的丝织品。,绸,稠,密，与,“,稀,”,相对。,读课文，说说课文主要写了哪些昆虫？,整体感知,本文描写了有复眼的蜻蜓、苍蝇、花大姐、独角仙、蚂蚱。,互动课堂,复 眼,默读课文，说说课文是围绕哪句话展开的？,我从一本书上知道蜻蜓有复眼，从那以后，就一直在琢磨复眼是怎么回事。,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,？,连续的问句,写出了作者进行了各种猜测，表明了什么？,写“我”对复眼有很多疑问，却没有找到答案。,凡是有复眼的昆虫，视觉都很灵敏。,点明了复眼的作用。,蜻蜓就有复眼，苍蝇也有。你走近蜻蜓和苍蝇，,还有一段距离，它们就发现了,，噌,飞了。,举例子,说明复眼的作用,凡是有复眼的昆虫，视觉都很灵敏。,复眼有什么作用？,蜻蜓就有复眼，苍蝇也有。你走近蜻蜓和苍蝇，还有一段距离，它们就发现了，噌,飞了。,我曾经想过：如果人长了一对复眼,还是不要！那成什么样子！,想一想：,如果人长了一对复眼，会是什么样？,作者曾经想过什么？,我曾经想过：如果人长了一对复眼,还是不要！那成什么样子！,思考：这两句话与昆虫无关，可否删掉？,不可以删掉，两个感叹句连用，鲜明地表达了作者的观点。由昆虫联想到人类，使文章充满了趣味。,瓢 虫,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,瓢虫款款地落下来了，折好它的黒绸衬裙,膜翅，顺顺溜溜；收拢硬翅，严丝合缝。,形象写出它飞舞时的轻盈姿态，也蕴含了作者对它的喜爱之情。,款款,花大姐,膜翅,黒绸衬裙,比喻,逼真的写出了瓢虫膜翅的颜色、质地和形态，耐人寻味。,瓢虫,款款地落下来了，,折好它的黑绸衬裙,膜翅，顺顺溜溜；收拢硬翅，严丝合缝。,“,顺顺溜溜,”“,严丝合缝,”写出了瓢虫,翅膀的特点,。把,瓢虫的,“,膜翅,”比作“,黑绸衬裙,”，形象生动地写出了瓢虫,膜翅的外形,。,比喻,拟人,膜翅为昆虫中最常见的一类翅，膜质翅，其薄而透明，翅脉明显可见。如蜂类、草蛉、蝉和蜻蜓的前后翅，蝇类的前翅，甲虫、蝗虫和蝽的后翅等。,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。,具体、详细地描写瓢虫的外形。,用具体数字说明圆点是有定数的。,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。,瓢虫是益虫还是害虫？,有的瓢虫吃蚜虫，是益虫；有的瓢虫吃马铃薯嫩叶，是害虫。,这两个句子是并列关系。把瓢虫分为益虫和害虫两种类型。,小讨论：,和原句对比读，哪句话给你印象更为深刻,?,用幽默风趣的语言写出了作者对吃马铃薯嫩叶的蚜虫的讨厌。,吃马铃薯嫩叶的瓢虫，你们可以改改口味，吃蚜虫,。,吃马铃薯嫩叶的瓢虫，你们就不能改改口味，也吃蚜虫吗？,疑问句,独 角 仙,吃晚饭的时候，呜,扑！飞来一只,独角仙,，摔在灯下。它摔得很重，摔晕了。,拟声词,形象地表现了独角仙飞行时的状态。,摔得很重,跳得很高 跑得很快,词语积累（,“得”字短语,）,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,独角仙，在甲虫里可能算是最大的，从头到脚，约有两寸。,不可除掉,可否删掉？,独角仙,“可能”表示猜测；“大约”表示估计，并非确切数据。,去掉这两词后，描述与实际不符，不能体现文章语言的严谨和周密。,它的甲壳多为深色，挺硬的，头部尖端有一只犀牛一样的角。这家伙，是昆虫里的霸王。,家伙,霸王,戏称独角仙,突出独角仙这种昆虫力气大的特点，表达了作者对独角仙的喜爱之情。,这家伙，是昆虫的霸王。,作者对独角仙的评价。,北京隆福寺过去有独角仙卖，据说给它套上一辆,泥制的小车,，它,拉着就走,。,举例子,用具体事例说明独角仙的,力气大,。,蚂 蚱,文中提到了蚂蚱的哪些种类？分别找出描写这些种类的段落。,尖头蚂蚱,土蚂蚱,（挂大扁儿）,尖头蚂蚱,土蚂蚱,尖头,蚂蚱,是国画家很喜欢画的,我小时候也画过不少，,因为它的形态好掌握，很好画,。,说明喜欢画尖头蚂蚱的原因。,尖头蚂蚱是国画家很喜欢画的。,本段的中心句,蚂蚱飞起来会咯咯作响，不知道它是怎么弄出这种声音的。,说明昆虫世界有许多值得我们探究的奥秘，也表现了作者求真务实的态度。,用“,因为,”,写句子。,傍晚人们都去公园散步，因为公园里的空气很好。,还有一种“土蚂蚱”，身体粗短，方头，色黑如泥土，翅上有黑斑。,这种蚂蚱，抓住它，它就吐出一泡褐色的口水，顶讨厌。,承上启下,与前文的“喜欢”矛盾吗？,不矛盾。作者喜欢的是“尖头绿蚂蚱”，讨厌的是吐口水的“土蚂蚱”。这是作者爱憎分明、情感率真的真实表达。,土蚂蚱的特点,身体粗短，方头，色黑如泥土，翅上有黑斑，一被抓住就会吐出一泡褐色的口水。,这篇文章用富有情趣的语言介绍了几种昆虫的特点，表达了作者对自然生命的,热爱之情。,主题概括,课文第一部分介绍“复眼”，提到了_和_这两种昆虫；第二、三、四部分分别介绍了_、_和_这几种昆虫。,蜻蜓,苍蝇,花大姐,独角仙,蚂蚱,昆虫名称,别名,显著特点,蜻蜓,复眼,瓢虫,花大姐,硬翅上有黑色小圆点，并且有定数,独角仙,蚂蚱,蜻蜓、苍蝇的,眼睛是复眼,。花大姐,有益虫也有害虫,。独角仙的,力气很大,。蚂蚱,飞起来会咯咯作响,，,形态比较好画,。,想一想：,课文介绍了哪几种昆虫？它们有什么特点？,蜻蜓,苍蝇,花大姐,独角仙,蚂蚱,结构梳理,昆,虫,备,忘,录,蜻蜓、苍蝇：,有复眼 视觉灵,瓢虫：,硬翅上有小圆点,独角仙：,个头大 甲壳硬 力气大,尖头绿蚂蚱,动作：,咯咯作响,外形：,膜翅 漂亮的桃红色,土蚂蚱,外形：,身体粗短、方头、翅膀有黑斑,动作：,吐褐色口水,蚂,蚱,本文介绍了,的复眼，花大姐的种类及特点，独角仙独特的外形及,的特点，,在画画时形态好掌握的特点。表现了作者平时,，以及作者对昆虫的,_,。,观察细致,苍蝇和蜻蜓,主题概括,喜爱之情,力气大,蚂蚱,描写昆虫的诗句,1.,庄生晓梦迷蝴蝶，望帝春心托杜鹃。,李商隐,锦瑟,2.,不论平地与山尖，无限风光尽被占。采得百花成蜜后，为谁辛苦为谁甜。,罗隐,蜂,拓展延伸,一、为红色字选择正确的读音。,目,录,（,l l,）丝,绸,（,cu chu,）,大,款,（,kn kun,）,瞎,说（,xi x,）,课堂演练,二、形近字组词。,昆（）绸（）摸（）瞎（）,晃（）稠（）膜（）割（）,昆虫,丝绸,抚摸,瞎眼,晃动,稠密,膜翅,割舍,三、,根据课文内容连线。,瓢虫 头上长着一只犀牛一样的角,蜻蜓 吐出一泡褐色的口水,独角仙 朱红色的硬翅上有小圆点,土蚂蚱 长了一对复眼,四、,蜻蜓是益虫，它们除了能大量捕食蚊、蝇外，有的还能捕食蝶、蛾、蜂等害虫。请你写一句标语，呼吁人们不要捕捉蜻蜓。,蜻蜓能捕捉害虫，是我们人类的朋友，请大家要保护蜻蜓！,