部编人教版三年级上语文《18 富饶的西沙群岛》精品公开课课件.pptx

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10、元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,西沙群岛位于南海的西北部，是我国海南省三沙市的一部分。那里风景优美，物产丰富，是个可爱的地方。,同学们，找一找全文是围绕哪一句来描写的？,概括写出了西沙群岛的富饶、美丽。,西沙群岛一带海水五光十色，瑰丽无比：有深蓝的，

11、淡青的，浅绿的，杏黄的。一块块，一条条，相互交错着。因为海底高低不平，有山崖，有峡谷，海水有深有浅，从海面看，色彩就不同了。,这一段介绍西沙群岛的_ 是_。,海水,五光十色,为什么海水会呈现不同的颜色？,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

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13、状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,海底的岩石上长着各种各样的珊瑚，有的像绽开的花朵，有的像分枝的鹿角。海参到处都是，在海底懒洋洋地蠕动。大龙虾全身披甲，划过来，划过去，样子挺威武。,这一段主要讲了海底的哪些动物？,海参一般体长1020厘米，特大的可达30厘米，海参靠肌肉伸缩爬行，每小时只能前进三米左右，比蜗牛还慢。,拓展,（珊瑚）有的像绽开的花朵，有的像分枝的鹿角。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,

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16、瑚有的像蘑菇，有的像云朵，有的像树枝，有的像蜂窝，真是千姿百态。,课文中说海参是怎么移动的？,蠕动,“蠕动”给人一种什么感觉？,懒洋洋,“到处都是”说明什么？,多，物产丰富,鱼成群结队地在珊瑚丛中穿来穿去，好看极了。,课文是从哪几个方面具体介绍鱼多的？,“成群结队”形容物种聚集的样子。从这个词我们可以体会到海里的鱼的数量非常多。,有的全身布满彩色的条纹；有的头上长着一簇红缨；有的周身像插着好些扇子，游动的时候飘飘摇摇；有的眼睛圆溜溜的，身上长满了刺，鼓起气来像皮球一样圆。,这句话运用了排比、比喻的修辞方法，写出了海里的鱼外形好看，而且品种多。,各种各样的鱼多得数不清。正像人们说的那样，西沙群岛

17、的海里一半是水，一半是鱼。,为什么人们会说“西沙群岛的海里一半是水，一半是鱼”？,这句话写西沙群岛里的鱼非常多，并非真的是水和鱼各占一半，而是运用夸张的手法，强调了西沙群岛“物产丰富”的特点，显得恰当而形象。,课文是怎样介绍西沙群岛的鸟多的？,西沙群岛也是鸟的天下。岛上有一片片茂密的树林，树林里栖息着各种海鸟。遍地都是鸟蛋。树下堆积着一层厚厚的鸟粪，这是非常宝贵的肥料。,树多,富饶的西沙群岛，是我们祖祖辈辈生长的地方。随着祖国建设事业的发展，可爱的西沙群岛必将变得更加美丽，更加富饶。,讨论一下 从哪些地方可以看出西沙群岛的美丽和富饶？,海水的奇异色彩,总起：风景优美、物产丰富,分述,总结：更加

18、美丽、更加富饶,海水：五光十色 瑰丽无比海底物产：珊瑚、海参、大龙 虾、鱼海岛：鸟的天下,板书设计,请同学们一起来欣赏一下海底世界的模样！,拓展延伸,1.看拼音，写词语。xn zhun wi w ln sn tio jin ( ) ( ) ( ) ( ) do y hi shn yn sh z bi （ ） （ ） （ ） （ ）,形状,威武,懒散,挑拣,随堂练习,岛屿,海参,岩石,祖辈,海参到处都是，在海底懒洋洋地蠕动。大龙虾全身披甲，划过来，划过去，样子挺威武。,这段话用了_的修辞手法，描写了海底的小动物的特点，“懒洋洋”“_”是形象化的写法，描写了_活动时的姿态，“威武”则写出了大龙虾的

19、_及_特点，使得语言活泼新鲜而有趣。,拟人,蠕动,海参,外形,行动,2.根据课文内容填空。,3.课外积累。1.飞流直下三千尺，疑是银河落九天。 （唐）李白望庐山瀑布2.君不见黄河之水天上来，奔流到海不复回。 （唐）李白将进酒3.横看成岭侧成峰，远近高低各不同。 （宋）苏轼题西林壁4.会当凌绝顶，一览众山小。 （唐）杜甫望岳,课后习题参考答案,有感情地朗读课文。说说从哪些地方可以看出西沙群岛风景优美、物产丰富。,朗读指导：本篇课文的朗读基调是喜爱、赞美的。语气亲切，语调优美、自然，节奏明快，充分体现西沙群岛优美的景色和丰富的物产。,朗读示例：西沙群岛一带/海水五光十色，瑰丽无比：有深蓝的，淡青的

20、，浅绿的，杏黄的。一块块，一条条，相互/交错着。因为/海底高低不平，有山崖，有峡谷，海水有深有浅，从海面看，色彩/就不同了。,参考答案：海面上海水五光十色，瑰丽无比，海底的岩石上长着各种各样的珊瑚，海底的水产资源丰富，海滩上有千奇百怪的贝壳和有趣的海龟，海岛上的鸟也很多从这些方面都可以看出西沙群岛风景优美、物产丰富。,老师指导：同学们可以选择西沙群岛美丽的风景，也可以选择它丰富的物产进行介绍，注意抓住景物和物产来突出它的美丽或富饶。,选择你喜欢的部分，向别人介绍西沙群岛。,从下面的图中选择一幅，写几句话。,色彩斑斓的鱼儿成群结队地游来游去，像在参加盛大的节日游行。,海葵互相手拉手，跳着欢快的摇摆舞，还有小鱼给它们伴舞呢！,骨碌碌的转着眼珠子看着周围的一切，还不时翻几个高难度的跟头，好叫人不要小看了它。,辽阔无垠的海面上，只只海鸥自由地翻飞盘旋着。它们一会儿展翅飞向高空，一会儿又飞回海面捕食，快乐地嬉戏。,有感情地朗读自己喜欢的语句，抄写文中优美的段落。假如你是小导游，你想怎么向初来此地的游客介绍西沙群岛？收集有关海洋的知识，了解海洋世界。,课后作业,