人教版三年级下册语文第23课海底世界ppt课件.pptx
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1、( )的大海,印象中的大海,那大海深处又是怎样的呢?今天就让我们一起来感受这神奇的海底世界吧!,语文教材小学三年级下册第七单元,23.海底世界第一课时,点击图片播放录像,看完录像你想说什么?,用自己喜欢的方式读一读课文,注意读准字音,标出自然段。,读一读,qi s jng j zhng窃 私 警 肌 章 bo zo d ch sh 胞 藻 达 储 属ch 差,读一读,差,ch 差别chi 出差ch 差劲c 参差不齐,多音字,读一读,宁静 器官 是否 危险 海参 攻击推力 迅速 后退 差异 陆地 依然 窃窃私语 波涛澎湃 长途旅行 景色奇异 物产丰富,读词语,词语解释,A.波涛澎湃 B.窃窃私语
2、 C.蕴藏 D.依然,依旧;仍然。( )私下里小声交谈,本课用来形容声音很小。( )形容水势盛大,奔腾起伏。( )蓄积而未显露或未发掘。( ),A,B,C,D,1.海底的动物常常在窃窃私语。2.海底蕴藏着丰富的煤、铁、石油和天然气,还有陆地上储量很少的稀有金属。,读句子,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元
3、成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元
4、成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,窃,私,达,储,警,胞,藻,属,章,海底抓鱼,肌,差,默读课文,找一找,想一想哪句话回答了第一自然段的问题?,你可知道,大海深处是怎样的吗?,初读课文,状元成才路,状元成才路,状元成才路,状元成才路,状元成才
5、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才
6、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才
7、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,中心句,海底真是个_,_的世界。,景色奇异,物产丰富,23自然段,46自然段,1.请大家自由读课文2-6自然段,边读边勾画,或者做简单批注。2.说一说,课文围绕海底景色奇异,物产丰富的特点,讲了那几个方面的内容?,海底的光线海底动物的声音海底动物的活动海底植物的差异海底矿藏,我会写,仔细观察,按照汉字的结构进行归类。,半包围结构:,左右结构:,迅,汪,险,攻,推,铁,速,退,上下结构:,宁,官,参,结构:,部首:,书写指导:,“宀”略宽,罩住下部。下部上小下大。,un,官,重难点字书写指导,上下,宀,结构:,部首:,书写指导:,被
8、包围部分要与“辶”书写协调;“辶”捺要平。,xn,迅,半包围,辶,23 海底世界第二课时,字词复习,宁静 器官 窃窃私语 汪汪 海参危险 警报 肌肉 攻击 章鱼 推力迅速 后退 细胞 差异 海藻 达到储量 铁矿 金属,海底的光线海底动物的声音海底动物的活动海底植物的差异海底矿藏,复习旧知,文章从哪几个方面介绍海底世界的?,再一次朗读课文,把你感兴趣的地方画下来,多读几遍。,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才
9、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才
10、路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,状元成才路,海面波涛汹涌,海底依然宁静,海底依然宁静,仍然 依旧,阳光很难射进深海,水越深光线越暗,五百米以下就全黑了。,黑,海
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