2022年大自然的秘密教学设计 .pdf

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1、大自然的秘密教学设计解放小学董淑艺教学目标：1、了解大自然的秘密，知道人与自然的关系。2、理解“人是万物之灵。然而，当人自作聪明时，一切都可能走向反面”的含义。教学过程：一、导入同学们，大自然是一个丰富多彩的世界，有着许多千奇百怪的自然现象。在与大自然相处的漫长过程中，人类探索自然的脚步从未停止过，许多谜底都是依靠科学才得以揭开。今天，让我们了解一件发生在赤道上的厄瓜多尔共和国加拉帕戈斯群岛上的一个真实故事。二学习目标：1.正确，流利，有感情的朗读课文。2.了解大自然的秘密，知道人与自然的关系。三、初读感知1.凭借自己的经验和方法识字写字并把课文读正确、读通顺。2.用自己的话概括课文主要内容。

2、四预习检测：1我会读。率先颓废震惊伫立叼踯躅鱼贯而出愚不可及悲叹自作聪明气喘吁吁2.我会说。我和同伴到南太平洋旅游游，因救一只幼龟，而伤害了许多只幼龟。二、初读课文，寻找秘密五、合作探究：课文题目是“大自然的秘密”，可为什么还要写人，这人与大自然的秘密之间有什么关系呢？提示：自主读文，找出大自然秘密。找出人与大自然的秘密之间有什么关系。画出相应语句，并作批注。小组讨论交流，形成统一意见。交流：（一）大自然秘密是什么？一只幼龟率先把头探出巢穴，却又欲出而止，似乎在侦察外面是否安全。如果把“探出”换别的词，可以怎么说?（伸、露）比较为什么此处用“探”？（探有试探、小心、侦察的意思。而伸和露则没有）

3、（如果它们就会争先恐后地结伴而出。）那句话印证这个意思？那只先出来的幼龟，原来是龟群的“侦察兵”，一旦遇到危险，它便会返回龟巢。（二）解读秘密除了写海龟，还写了我们呢！指名读第一段，我们是谁？想干什么？文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6

4、S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ

5、3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3

6、O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4

7、C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:

8、CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 H

9、A3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9我们弄明白幼龟是怎样离巢入海了吗？可是在弄明白这个问题的过程中

10、，因为不懂得绿龟的生存之道，好心办了一件蠢事。1、理解蠢事出示（比较）：我们干了一件蠢事。我们原来干了一件愚不可及的蠢事。蠢事已经说明了事情是错误的，为什么还要在前面加上一个“愚不可及”呢？请同学们读读句子说一说。读读这句话，你认为作者在说这句话时带着一种什么样的心情？（后悔与自责。）读2、品读救龟现在我们就是那些游客，回想自己所做的一切，觉得哪些行为已经是愚不可及了呢？再读课文3-10 自然段，把有关的内容都找出来，细细体会。学生汇报出示：我和同伴紧张地看着这一幕，其中一位焦急地对向导说：“你得想想办法啊！”向导却若无其事地答道：“叼就叼去吧，自然界之道，就是这样的。”向导的冷淡，招来了同伴

11、们一片“不能见死不救”的议论。向导极不情愿地抱起幼龟，把它引向大海。那只嘲鹰眼见着到手的美食给抱走，只能颓丧地飞走了。（1）说说向导的话的意思若无其事：若（好象）其事（指什么事？）学生汇报出示：突然，一只幼龟率先把头探出巢穴，却又欲出而止，似乎在侦察外面是否安全。正当幼龟踌躇不前时，一只嘲鹰突兀而来。它用尖嘴啄幼龟的头，企图把它拉倒沙滩上去。文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:

12、CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 H

13、A3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 Z

14、C4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编

15、码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7

16、 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5

17、 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文

18、档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9（2）读这段话对于这么危险的事情，向导却是若无其事地回答，哪位向导来读一读。（指导读出感情）其他人又有什么看法和举动呢？（人们、向导、龟）分角色读。3、龟群出巢（1）在我们的帮助下小绿龟得救了，游向了大海。巢里的绿龟又会怎么样了呢？出示：然而，接着发生的事却使大家极为震惊。向导抱走幼龟不久，巢中的幼龟得到错误信息，以为外面很安全，于是成群的幼龟从巢口争先恐后、鱼贯而出。（2）让我们用朗读来再现画面。4、引读提升我们的愚不可及造成的结果是可悲的，尽管我们来回奔跑，尽管我们拼命拯救，还是给幼龟们带来了很大的伤害。看我们

19、做了些什么出示句子：（生读文）“几十只幼龟已成了嘲鹰、海鸥、鲣鸟的口中之食。”一只幼龟得救了，无数只幼龟丧生了-看我们做了些什么出示句子：（生读文）“几十只食肉鸟吃得饱饱的，发出欢乐的叫声，响彻云霄。”一只嘲鹰飞走了，几十只食肉鸟欢笑了这就是我们做的蠢事。（板书：救一只害一群）别看这小小的绿龟，他们也有自己的一套躲避危险、防御危险的办法！可这样的办法却被我们给破坏了，（出示）：“我们干了一件愚不可及的蠢事！”文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9

20、A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1

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22、7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4

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24、N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S

25、1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3

26、Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9课文最后 2 个小节里的每个字，每句话，甚至是每个标点，都跳动着作者那难以言说的痛苦！因为（出示）：“如果不是我们人类，这些海龟根本就不会受到伤害。”再读：投：向导 _地说：“如果不是我们人类，这些海龟根本就不会受到伤害。”四、回归课题，感悟秘密1同学们，旅行者事先知道幼龟离巢入海这个秘密吗？（不知）在不知情的情况下犯的错误，我们称为无智之愚；如此的愚不可及，造成了惨痛的结局。于是作者给我们人类怎样的忠告？出示课件“人是万物之灵。然而，当人自作聪明

27、时，一切都可能走向反面。”2此时此刻，你深深地懂得了什么？（我懂得了人不能自作聪明，不然可能聪明反被聪明误。我知道大自然有大自然的规律，我们不能随便地去破坏大自然的规律。我明白了我们人类不能自作聪明，不然可能好心做成坏事。我们要多了解大自然，这样才不会做错事。）3总结自然有自然的法则，人类应该顺应自然，尊重自然，与自然和睦相处，如果横加干涉（虽然有时是善意的）企图去改变甚至征服自然，只会适得其反。从中我们也知道了大自然的秘密指的是自然规律。我们只有尊重自然，遵循规律，才能正确处理现实中的矛盾和冲突。文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ

28、3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3

29、O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4

30、C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:

31、CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 H

32、A3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 Z

33、C4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编

34、码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9五、拓展延伸，内化秘密1、在你身边，有发现类似的情况吗？请你举例说说。（小鸡破壳，拔苗助长等）2、增量阅读凯巴伯森林的狼和鹿一百多年以前，凯巴伯森林一片葱绿，生机勃勃。小鸟在枝头歌唱，活泼而美丽的鹿在林间嬉戏。但鹿群的后面，常常跟着贪婪而凶残的狼，它们总在寻找机会对鹿下毒手。那时森林里大约有四千只鹿，人们要时刻提防狼的暗算。当地居民恨透了狼。他们组成了狩猎队

35、，到森林中捕杀狼。枪声打破了大森林的宁静。在青烟袅袅的枪口下，狼一个跟着一个哀嚎着倒在血泊中。凯巴伯森林的枪声响了 25 年，狼与其他一些鹿的天敌，总共被杀掉6 千多只。凯巴森林从此成了鹿的王国。它们在这里生儿育女，很快，鹿的总数就超过了十万只。可是，随着鹿群的大量繁殖，森林中闹起了饥荒。灌木、小树、嫩枝、树皮,一切能吃得到的绿色植物，都被饥饿的鹿吃光了。整个森林像着了火一样，绿色在消退，枯黄在蔓延。紧接着，更大的灾难降临了。疾病像妖魔的影子一样在鹿群中游荡。仅仅两个冬天，鹿就死去了六万只。到1942 年，凯巴伯森林只剩下了八千只病鹿。人们做梦也不会想到，他们捕杀的狼，居然是森林和鹿群的“功臣

36、”。狼吃掉一些鹿，使鹿群不会发展得太快，森林也就不会被糟蹋得这么惨；同时狼吃掉的多半是病鹿，反倒解除了传染病对鹿群的威胁。而人们特意要保护的鹿，一旦在森林中过多地繁殖，倒成了破坏森林、毁灭自己的“祸首”。文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C

37、6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:C

38、Z3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA

39、3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC

40、4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码

41、:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7

42、HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9(凯巴伯人原想智慧地灭狼,却因为违反自然规律而受到自然惩罚,

43、绿色消退，枯黄蔓延,葱绿而生机勃勃的森林消失,八千只病鹿,由此可知,不能违反自然规律,否则,是要受到惩罚的.同学们，大自然是个奇妙的世界，还有很多大自然的秘密等待着我们去揭开，有时间，同学们多读一读这方面的书，对大自然多了解一分，所得的益处就会多一些。五、课堂检测：1请选择下列画线字的正确读音，标上“”。巢穴(xu xi )伫立(zh ch)颓丧(j tu )佳肴(y o x)2.作者写这篇文章最想表达的是（请选择你认为最适合的选项）A一个人做事情要三思而行，鲁莽行事，往往适得其反。B人类的所作所为必须遵循自然规律，违背它，就必然会付出惨痛的代价。C一个人做事要坚持原则，否则就会像向导那样，先

44、违背常理遭无知者的谴责，后尽力弥补仍遭受良心谴责。D人类一定要多读书多学知识，否则将会像文中的“我们”一样，因为无知而做错事，后悔莫及。布置作业1、走入大自然，留心观察一下，生活中还有哪些违背自然规律的行为。2、读青少年知识普及读物大自然的启示。3、登录“人与自然”的相关网站了解自然之道。文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC

45、4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码

46、:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7

47、HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5

48、ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档

49、编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D

50、7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H5 ZC4C6S1V7E9文档编码:CZ3Y4B9A1D7 HA3O10N1V4H