2022年高中英语-Unit--Computers-Reading-Who-am-I教学设计-新人教版必修.docx

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1、精选学习资料 - - - - - - - - - Unit 3 Computers 一、教学对象分析本节课的教学对象为高一上学期的同学,在经受了必修1 的学习过程之后, 同学已经对高中的英语学习有了初步的明白和感知,但仍需要训练和提高语篇的懂得,归纳和分析的才能；本节课的一系列活动,就是为同学的语篇阅读打开一扇窗户,培育同学的语篇意识,使其更全面的懂得文章内容,归纳主旨大意；同学在前一节课的词汇学习中,已经把握了文中所显现的大部分生词,这为本节课的阅读扫清了障碍, 能让同学更好的专心于语篇结构的懂得,而不必由于生词过多影响阅读成效；高一同学活泼好动,思维活跃, 情愿积极的投入到摸索和各种活动中

2、；这就需要老师积极热忱的引导, 合理设计活动环节,有条理的分解学问层次,帮忙同学循序渐进的把握语篇的处理才能；二、教材内容分析本节课阅读材料是本单元的主要阅读篇章,属科普类说明文, 叙述了电脑的进展历史及其在当今世界各个领域的应用；内容较为抽象, 且有一些专业术语,对高一同学来说有肯定的难度；但写作手法上以电脑为第一人称进行自白,这种拟人的手法能够激发同学的阅读爱好,也使得文章更浅显易懂；本文共分 3 个段落, 以时间为次序说明电脑的进展历史,且每段的第一句话均为该段落的主题句；这种结构的语篇特别适合用来启示和引导同学查找段落的主题句,并进一步归纳文章 主旨大意；同时配以适当的练习,帮忙同学归

3、纳总结出方法,在练习中运用这些方法,从而 提升对语篇的全局意识,增强对语篇的解题才能；三、教学目标依据以上学情和教材分析,本节课的重点是教会同学如何正确查找段落主题句,归纳语篇主旨大意；以这个任务为主线,贯穿整个教学活动,让同学眼,耳,手并用,通过自主学习,小组学习等教学活动,在语境中观看,总结,实践语篇分析方法,并最终从阅读懂得的三个 维度到达以下目标：1. 信息学问明白电脑的进展历史及其在当今社会各个领域的广泛应用；2. 语言学问懂得和把握与电脑相关的词汇；3. 语篇学问领悟和实践在语篇中查找主题句的方法,学会归纳文章主旨大意；四、教学过程 Step I Lead-in 3 mins 1英

4、文网站截图导入；老师在PPT上出现一些英文网站的截图图片,让同学摸索有关英文网站上文章懂得的问题,提出两个问题：Do you often go to the English website. 1 名师归纳总结 - - - - - - -第 1 页,共 7 页精选学习资料 - - - - - - - - - Do you have some difficulty in understanding the article on the website. 借助这两个问题引发同学的摸索,对下面的阅读活动起到预热的作用,以此导入本课的课题；2揭题针对英文网站上的许多说明文,本节课将教授同学如何查找主题句

5、,如何利用主题句概括文章主旨大意,继而更好的懂得说明文； 意图说明 这个年龄的同学奇怪心强,喜爱探究问题, 英文网站是他们猎取信息的优质资源,但语言却 成为很大的障碍； 本环节所展现的图片协作老师的启示性问题用以引发同学的摸索,如何才 要想更好的懂得说明文,需要 能更好的懂得说明文；用分析的方法引出本节课的重点内容：概括出文章的主旨大意,而段落大意是文章主旨大意的重要基础,查找主题句是确定段落大 意的重要方法之一；Step II reading and comprehending 25 mins 1让同学快速浏览文章并找出每段的主题句；提问,什么是主题句？如何查找主题句？让同学分别答复,并找出

6、每段的主题句；What is topic sentence. a leading sentence How to find out the topic sentence for each paragraph. beginning/ ending / no topic sentence 2提问过后, 确定每个段落的主题句；继而引发同学的摸索, 如何才能知道自己所找到的主题句是正确的？How do you know that the topic sentence you have found out is right. 同学会说出在文中找到的一些论点,得出结论：主题句印证：要点支持 We need

7、 some supporting details. supporting details. 3读课文,完成课堂练习1,同时找出支持每段主题句的细节,即待同学完成后,请3 名同学在黑板上写出他们的答案；课堂练习 1 Para 1 Over time I _ quite a lot. 1642: The computer began as a _. 1822: The _ was made by Charles Babbage. 1936: The computer could be made to work as a _.From then on, it grew rapidly both in

8、 size and brainpower. 1940s: The computer had grown _ a room. 2 名师归纳总结 - - - - - - -第 2 页,共 7 页精选学习资料 - - - - - - - - - 1960s: The first family of computers was connected to each other. 1970s: First as _ and then as a _, computers were used in offices and homes. Now: Computers connect people all ove

9、r the world together. Para 2 These changes only became possible as my _ improved. First it was stored in _then on _later on very small _ _. Over time my _ has developed so much that, like an _ , I never forget anything I have been told. I was so lonely until they gave me a family connected by a _. W

10、e can share knowledge through the _. Para 3 Since the 1970s many new _ have been found for me. I have become very important in communication, _and trade. I have also been put into _ and _ and used to made _ as well as help with _. My goal is to _ humans with a life of _.4结合课件订正答案；答案：Para1: have been

11、 changed, calculating machine, analytical machine, universal machine, as large as, a PC, laptop. Para2: memory, tubes, transistors, chips, memory, elephant, network, World Wide Web. Para3: applications, finance, robots, space rockets, mobile phone, medical operations, provide, high quality. 5提问同学,让他

12、们找出每段主题句的支持点,结合课件,给出答案；同时指出,支撑论点可以是单词,短语或句子；3 名师归纳总结 - - - - - - -第 3 页,共 7 页精选学习资料 - - - - - - - - - Supporting detailscalculating machinememorycommunicationfinancetubestradeanalytical machinetransistorsrobotsuniversal machinechipsspace rocketsPCnetworkmobile phonelaptopWWWmedical operations 意图说明 此

13、环节为本节课的核心部分,是本节课教学的重点环节；通过引导和启示同学,找出段落的主题句,利用对表格的分析得出支撑主题句的论点；不仅要教会同学如何查找归纳,同时仍要让同学学会印证所找到的主题句,以保证结果的正确性；期中 12两个步骤引导同学以实践的方式总结有关主题句的内容要点,把同学对主题句的模糊的感性熟悉上升到清楚的理论认知水平；345训练同学寻读的才能,用表格展现出文章的结构,所填单词提示、 引导同学关注文章的结构骨架,帮忙同学直观的梳理文章,引导同学分析文本,从而学会查找主题句的支撑论点；Step III Topic sentence to Main idea 5 mins 在得出每段的主题

14、句并通过论点验证正确后,意；Topic sentence Main idea引导同学利用这些主题句总结出文章的主旨大1. Over time I have been changed quite a lot. 2. These changes only became possible as my memory improved.3. Since the 1970s many new applications have been found for me.main idea of the textThis text told us the _ and the _ of computers , ma

15、inly to express its widely _.4 名师归纳总结 - - - - - - -第 4 页,共 7 页精选学习资料 - - - - - - - - - Topic sentenceMain ideahistory1. Over time I have been changed quite a lot.2. These changes only became possible as my developmentmemory improved. uses3. Since the 1970s many new applications have been found for m

16、e.This text told us the _ historymain idea and the _ of developmentof the text computers , mainly to express its widely _. uses 意图说明 此环节为本节课的点睛之笔,找到主题句的最终目的是为了利用这些主题句得出文章的主旨大意,从而更好的懂得说明文；Step IV Exercises 10 mins 以小组争论,沟通的形式,完成课堂练习 2 Read the passage and finish the tasks. Robots are smart. With thei

17、r computer brains, they help people work in dangerous places or do difficult jobs. Some robots do regular jobs. Bobby, the mail carrier, brings mail to a large office building in Washington D.C. carriers in the United States. He is one of the 250 mail Mr. Leachim, who weighs two hundred pounds and i

18、s six feet tall, has some advantages as a teacher. One is that he does not forget details. He knows each child s name, the parents names and what each child knows and needs t o know. In addition 另外, he knows each child s pets and hobbies. Mr. Leachim does not make mistakes. Each child goes and tells

19、 him his or her name, then dials an identification number. His computer brain puts the child s voice and number together. He ident ifies the child without mistakes. Then he starts the lesson. Another advantage is that Mr. Leachim is flexible. If children need more time to do their lessons, they can

20、move switches. In this way they can repeat Mr. Leachims lesson over and over again. When the children do a good job, he tells them something interesting about their hobbies. At the end of the lesson the children switch Mr. Leachim off. 1 The topic sentence for each paragraph. 5 名师归纳总结 - - - - - - -第

21、 5 页,共 7 页精选学习资料 - - - - - - - - - Para1 _Para2 _Para3 _ 2.The main idea of the passage. _ _ 3. The first paragraph of the passage tells us _. A. human beings are not as smart as robots B. robots can help people in many different ways C. robots will take the place of man to rule the earth D. we can

22、only use robots to do some regular jobs 意图说明 通过练习, 让同学进一步领悟查找主题句的方法,并练习利用主题句归纳文章主旨大意；在练习中不断印证,反复操练所总结的方法,训练解题思维,强化记忆；同时通过小组活动的 形式,给同学制造时机沟通方法,表达观点,学会合作学习 Step V Conclusion 2 mins 总结本节课所学学问和方法；查找并验证段落主题句,利用主题句总结文章主旨大意,最终做到更好的懂得说明文； 意图说明 通过最终的归纳总结帮忙同学理顺思路,复习本节课所学学问技能,同时强调各个环节间的规律关系,有利于同学懂得记忆；Step VI Homework 用课上所学方法完成阅读懂得练习 五、板书设计 Exposition main idea 1. a leading sentence topic sentence 2. beginning/ending / no topic sentence 1. words supporting details 2. phrases 6 名师归纳总结 - - - - - - -第 6 页,共 7 页精选学习资料 - - - - - - - - - 3. sentences 7 名师归纳总结 - - - - - - -第 7 页,共 7 页