2.6《寂静的春天》学案（粤教版必修三）

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1、2.6《寂静的春天》学案1（粤教版必修三）【学习目标】1、学习作者的环保精神，把握文章主旨；2、通过对课文内容的梳理，了解环境污染的原因与危害；3、体会文章中重点句子所表达的思想感情。【学习重难点】探究理解重点语句和句子所蕴含的感情。【学习过程】一、课前预习1．畅读全文，通过查工具书和阅读注释，读准字音。啮齿（  ） 拨弄（   ） 滞留（   ） 栖居（   ）步履（   ） 牲畜（   ） 骨骼（   ） 2．联系语境，查字典或词典理解词义。不可逆转：一丝不苟：屈指可数：3、搜集一些自己身边见到的环境污染的事例，并谈一谈自己对环保的看法。                

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3、          二、课堂学习与研讨（一）整体感知1．全文的中心主旨是书上的哪一句？（或全文要说明的主要问题是什么？）                                                                                                                                                                                                                                      

4、       2．人类对环境的污染，是以什么方式进行的？后果怎样?                                                                                                                                                                                                                                                                 

5、                                                          3．联系课文内容，作者为什么说春天是“寂静”的？从文中划出相关语句。作者借“寂静的春天”向世人提出了什么警告。                                                                                                                                                                                 

6、                                                                                                                                                                                                                         （二）合作探究1．课文对地球生命的历史阐述多次运用了对比手法，请你找出两三处，结合上下文来体会其表达的效果。                   

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