部编在牛肚子里旅行课件.ppt

反刍（,ch,）,俗称倒嚼（,d,o,j,i,o,），是指某些动物进食经过一段时间以后将半消化的食物从胃里返回嘴里再次咀嚼（,ju,）具有这种现象的动物被统称为反刍动物，如骆驼、长颈鹿、羊驼、牛等资料链接,反刍动物的胃一般分为瘤（,li,）胃、网胃、瓣胃、皱胃（真胃）四个部分瘤胃,网胃,瓣胃,皱胃,牛胃的结构与功能：,成年牛的胃由瘤胃、网胃、瓣胃、皱胃组成瘤胃最大，占四个胃总容积的,80%,，很大一部分饲料在此消化网胃占四个胃总容积的,5%,，其功能如同筛子，将随饲料吃进去的重物如钉子、铁丝等存留其中瓣胃占四个胃总容积的,7%,，其功能主,主要是吸收饲料内的水分，挤压磨碎饲料皱胃又称真胃，占四个胃总容积的,8%,，其作用与动物的胃相同，可分泌消化液与消化酶在牛肚子里旅行,10,同学们，请大家认真朗读课文，注意生字词的读音，边读边思考：,妙解课文,课文围绕着“牛”和两只“小蟋蟀”讲了一件什么事？,课文讲述了两只小蟋蟀玩捉迷藏，叫“红头”的蟋蟀,，在牛肚子里,，最后在同伴的帮助下侥幸逃脱危险的经历不幸误入牛肚子里,自由读课文，说说课文主要讲了什么内容做了一次惊险的“旅行”,整,体,感,知,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,再读课文，理清课文层次。

第一部分（）：,_,1,6,红头遇险,第二部分（）：,_,第三部分（）：,_,718,19-20,牛肚旅行,成功脱险,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,旅行 咱们 偷偷 答应 卷起 可怜 救命 拼命 打扫 牙齿,吞咽 胃部 管理 悲哀 刚才,几乎 流泪 眯着 算是 一骨碌 嚼东西,读,一,读,旅行,咱,们,偷,偷,答应,卷,起 可怜 救命 拼命 打扫 牙,齿,吞咽,胃,部 管理,悲,哀 刚才,几,乎 流,泪,眯,着 算是 一,骨,碌,嚼,东西,zn,d yn,li,jio,ch,tn yn,wi,bi,j,m,tu,jun,旅行 要好 咱们 草堆 作声,答应 做梦 可怜 来得及 救命,拼命 大吃一惊 马上 消化,当然 刚才 知觉 光亮 眼泪,词,语,表,【,旅行,】,【,骨碌,】,【,悲哀,】,【,细嚼慢咽,】,【,贮藏,】,本文指慢慢地吃东西。

引申为慢慢去体味为了办事或游览从一个地方到另一个地方（多指路程较远的）词语解释,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,1.,指食物在人和动物体内，经过物理和化学作用而变为能够溶解于水并可以被机体吸收的养料。

2.,慢慢地吃东西3.,迅速地一滚或一转B,C,A,选词填空,A.,一骨碌,B.,消化,C.,细嚼慢咽,一起去旅行,咱,答,偷,齿,嚼,吞,胃,悲,咽,几,泪,眯,应,卷,骨,答,d,d,（答应）,（回答）,例：尽管哥哥没有回,答（,）,，但是她知道哥哥已经,答（）,应了她的请求d,d,多音字,应,yng,yng,（照应）,（应该）,例：朋友之间,应（,）,该互相关心，互相照,应（）,yn,g,yn,g,骨,g,g,（一骨碌）,（骨头）,例：小狗一看到我手里拿着的肉,骨（,）,头，就一,骨（）,碌从地上爬了起来g,g,几,j,j,（几乎）,（几个）,例：他,几（,）,乎是一路小跑地赶过来，路上还摔了,几（）,个跟头j,j,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,我会写,旅,咱,怜,救,扫,胃,管,刚,命,拼,流,泪,算,圈出左右结构的字。

拓展运用,关于蟋蟀的歇后语,蝉鸣蟋蟀叫各唱各的调,蟋蟀斗公鸡各有一长,药罐子里斗蟋蟀苦中作乐,老虎捉蟋蟀笨手笨脚,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,快速浏览课文，思考：,1.,是谁在牛肚子里旅行？,小蟋蟀红头,2.,红头怎么会到牛肚子里旅行呢？,红头和青头玩捉迷藏，红头躲在草堆里，被大黄牛吃到肚子里去了。

阅读课文第,7-20,自然段，说说红头在牛肚子里的旅行路线可怜的红头还没有来得及跳开，就和草一起被大黄牛卷到嘴里了进牛嘴,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路。