部编版二年级语文下20蜘蛛开店ppt课件.ppt
蜘 蛛,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,蜘蛛：节肢动物，身体分为头胸部和腹部，腹部有纺器，内连丝腺，能吐丝结网。除南极洲以外，全世界均有分布。,蜘蛛为什么会吐丝： 蜘蛛的腹部有六种腺体，称为吐丝器。各种腺体产生不同的蛛丝，腺体顶端有喷丝头，上面有小孔，喷出的液体一遇空气立即凝结成黏性强、张力大的蛛丝。,拓展延伸,第一课时,20 蜘蛛开店,自由读课文。借助拼音，读准字音，读通句子，不熟悉的生字词多读几遍！,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,蹲在网上好寂寞，蜘蛛决定开商店。开了口罩编织店，顾客河马来光顾。河马嘴巴那么长，蜘蛛花了大工夫。于是换成卖围巾，顾客来了长颈鹿。蜘蛛忙了一星期，终于织完长围巾。累得趴倒在地上，决定换成卖袜子。后来顾客来了谁？蜘蛛是否成功了？,店 蹲 寂 寞 罩 编 顾 夫,din dn j m zho bin g f,hun jn l p w cng w gng,换 劲 露 趴 袜 匆 蜈 蚣,编,店,蹲,顾,夫,换,付,颈,袜,罩,寂,寞,匆,蜈,蚣,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,商店 蹲在 寂寞 口罩 编织顾客 付钱 工夫 交换长颈鹿 袜子 匆忙 蜈蚣决定 终于 完成 星期,商店 蹲在 寂寞 口罩 编织顾客 付钱 工夫 交换长颈鹿 袜子 匆忙 蜈蚣决定 终于 完成 星期,din,dn,j,m,zho,bin,f,hun,jn,w,cn,w,n,f,寂寞 决定 商店 口罩 招牌 编织 换了 围巾 长劲鹿 星期 终于 完成 趴倒 匆忙 蜈蚣,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,我会写,仔细观察田字格中的生字，找一找有相同特点的生字。,自由朗读课文，想一想蜘蛛为什么要开店？店开了以后怎么样了？,课文解读,读课文，说说蜘蛛为什么要开店呢？找出相关语句读一读。,有一只蜘蛛，每天蹲在网上等着小飞虫落在上面，好寂寞，好无聊啊。,孤单冷清。,指由于清闲而烦闷。,蜘蛛决定开一家商店。卖什么呢？就卖口罩吧，因为口罩织起来很简单。,蜘蛛卖的第一件商品是什么呢？为什么？,蜘蛛的第一位顾客是谁呢？结果如何？,顾客来了，是一只河马。河马嘴巴那么大，口罩好难织啊，蜘蛛用了一整天的工夫，终于织完了。,河马：最大的淡水杂食性哺乳动物，体型巨大，体长4米左右，躯体粗圆，四肢短，头颅大，主要生活在非洲。,蜘蛛卖的第二件商品是什么呢？为什么？,晚上，蜘蛛想：还是卖围巾吧，因为围巾织起来很简单。 第二天，蜘蛛的招牌换了，上面写着：“围巾编织店，每位顾客只需付一元钱。”,蜘蛛的第二位顾客是谁呢？结果如何？,顾客来了，只见身子不见头。蜘蛛向上一看，原来是一只长颈鹿，他的脖子和大树一样高，脑袋从树叶间露出来，正对着蜘蛛笑呢。,长颈鹿：是非洲的一种特有动物，是陆地上最高的动物。生活于非洲稀树草原地带，是草食动物，以树叶及小树枝为主食。,绿色圃中小学教育http:/www.LSPJY.com,绿色圃中小学教育http:/www.LSPJY.com,蜘蛛织啊织，足足忙了一个星期，才织完那条长长的围巾。 蜘蛛累得趴倒在地上，心里想：还是卖袜子吧，因为袜子织起来很简单。,蜘蛛觉得袜子织起来简单，想改卖袜子。,蜘蛛的第三位顾客是谁呢？结果如何？,可是，蜘蛛看到顾客后，却吓得匆忙跑回网上。原来那位顾客竟是一条四十二只脚的蜈蚣！,蜈蚣,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,主旨概括,本文描写了一只_开店，可是她不管卖什么都觉得_，总想换个_来做，最后开店失败了。这件事告诉我们生活中不想_，总想_是行不通的。,蜘蛛,麻烦,简单的事,真心付出,投机取巧,自由读课文，完成下列表格，说一说蜘蛛为什么总换招牌呢？,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,河马,一整天,口罩好难织啊,长颈鹿,一个星期,袜子织起来简单,蜈蚣,吓得跑回网上,蜘蛛怕麻烦，怕吃苦，拣轻怕重。,板书设计,蜘蛛开店,卖口罩 河马嘴巴大,投机取巧行不通脚踏实地是根本,卖围巾 长颈鹿脖子长,卖袜子 蜈蚣四十二只脚,三、拓展阅读。,关于蜘蛛的歇后语蚕宝宝牵蜘蛛丝（私）连丝（私）苍蝇会蜘蛛自投罗网苍蝇碰上蜘蛛网脱不了身老蜘蛛的内脏满肚子丝（私）,课后习题,朗读课文。根据示意图讲一讲这个故事。,接下来会发生什么事？展开想象，续编故事，讲给大家听。,老师指导： 因为蜘蛛开店只想做那些容易的事，所以她还会遇到困难的。同学们可以展开丰富的想象来续编故事。,1.朗读课文，默写今天学习的生字词。2.展开想象，说说蜘蛛接下来可能会怎么做，讲给大家听一听。,
