B2Unit3课文理解

1、 Unit 3 Computers Period 1 Warming up温馨提示温馨提示 Passion comes first!激情第一！激情第一！ 请拿出你的请拿出你的课本、课文理解导学案课本、课文理解导学案双色笔双色笔【学习目标学习目标】1. 掌握课文中的基础知识，提高分析掌握课文中的基础知识，提高分析句子成分和透彻理解课文的能力句子成分和透彻理解课文的能力2. 自主学习，合作探究，学会翻译和自主学习，合作探究，学会翻译和分析的方法。分析的方法。3. 了解计算机的发展历程，激情投入了解计算机的发展历程，激情投入课堂，享受学习的快乐。课堂，享受学习的快乐。Abacus 算盘算盘 An a

2、bacus is an old calculating machine used in China until nowCalculator 计算器计算器 A calculator is a new calculating machine which can solve a large number of mathematical problems. A huge computer A huge computer is built to solve some mathematical problems. But it is too big. PC personal computer A PC i

3、s a personal computer which can solve all kinds of problems and is used widely now.Notebook computer=Laptop A notebook computer is a kind of useful computer which can be taken conveniently like a notebook.PDA(personal digital assistant)Robot=AndroidWhats next?work for us in Mars(火星火星)Whats next?carr

4、y thingswork in wars (战斗战斗)仿真机器人entertainment 娱乐娱乐What do you think will be the next development?(What do they have in common?) I think that In my opinion I believe that Whats your reason? Why do you think so?1.They can be used for calculating. 2.They can deal with maths problems.3.They are our frie

5、nds.4.They are useful and helpful.DiscussionTask Fast reading1）Whats the main idea of the text? A. The computer wants to find “who he is”. B. The functional change of the computer. C. The computer becomes popular around the world. D. The history of the computer.2) What can you infer from the text? A

6、. The computer has artificial intelligence. B. The computer changes a lot over the years. C. The computer was not connected by a network until in the early 1960s. D. Now the computer can only be used to deal with information.DB3）In 1936, Alan Turing wrote a book about_. A. how to simplify difficult

7、sums B. how the computer could be made to work as a “universal machine” C. how to build an analytical machine D. how to change the computers shape 4) Why did I totally change my shape? A. Because I could do many things. B. Because I could simplify sums. C. Because my memory improved. D. Because I ne

8、ver forgot anything.5) According to the last paragraph, which was not mentioned in the use of the last computer? A. Mobile phones B. Rockets C. Bikes D. Robots BCC内内容容自己预习课文中的疑难点自己预习课文中的疑难点要要求求1. 小组内先一对一小组内先一对一, 然后组内合作讨论然后组内合作讨论. 动口动脑动动口动脑动笔。笔。2. 组长调控好，确保每层的学生都能组长调控好，确保每层的学生都能最大限度解决最大限度解决问题，以备展示和质疑，

9、问题，以备展示和质疑，保证高效完成。保证高效完成。3. 组长协助组组长协助组C层解疑，层解疑，B 层做好展示准备、层做好展示准备、A层层做好拓展。做好拓展。目目标标A层解决所有问题并拓展能力提升部分。层解决所有问题并拓展能力提升部分。BC层解决所有问题。层解决所有问题。 Cooperation and discussion合作探究合作探究 5Presentation and Comment展示点评展示点评内容内容展示展示点评点评立体交叉目标设计立体交叉目标设计Task110G1G21.1.展示同学展示同学书写迅速书写迅速规范规范, ,注意方法总结。注意方法总结。 2.2.非展示同学非展示同学疯

10、狂背疯狂背诵诵课文部分课文部分。3 3. .点评同学：点评同学：声音洪声音洪亮语言清晰并能拓展亮语言清晰并能拓展（用彩笔补充用彩笔补充【要点要点3 3分分+ +书写书写2 2分分= =满分满分5 5分分】）4.4.非点评同学：非点评同学：认真认真倾听、积极思考并记倾听、积极思考并记好笔记。好笔记。有不明白或有不明白或有补充的要大胆提出。有补充的要大胆提出。Task1120G2G3TaskG3G4Task1-2G4G5Task3-4G5G6Task1-2G6G7Task3-5G7G8Task6G8G9Task6G9G1Presentation and Comment展示点评展示点评内容内容展示展

11、示点评点评立体交叉目标设计立体交叉目标设计Task110G1G21.1.展示同学展示同学书写迅速书写迅速规范规范, ,注意方法总结。注意方法总结。 2.2.非展示同学非展示同学疯狂背疯狂背诵诵课文部分课文部分。3 3. .点评同学：点评同学：声音洪声音洪亮语言清晰并能拓展亮语言清晰并能拓展（用彩笔补充用彩笔补充【要点要点3 3分分+ +书写书写2 2分分= =满分满分5 5分分】）4.4.非点评同学：非点评同学：认真认真倾听、积极思考并记倾听、积极思考并记好笔记。好笔记。有不明白或有不明白或有补充的要大胆提出。有补充的要大胆提出。Task1120G2G3 TaskG3G4 Task1,2G4G

12、5 Task3,4G5G6Task1G6G7Task2G7G8Task3G8G9Task4G9G10Task5G10G11Task6G11G1Task II 1.与与有共同之处有共同之处2.作为作为开始开始3.如此如此以至于以至于4.结果；因此结果；因此5.解决问题解决问题6.从那时开始从那时开始7.技术革命技术革命8.人工智能人工智能9.随着时间的流逝随着时间的流逝(2种种)10.把把按顺序排列按顺序排列have in common begin assothatas a resultsolve the problemfrom then ontechnological revolutionar

13、tificial intelligenceas time goes by/over timeputin order11.协助某人做某事协助某人做某事12.在尺寸上在尺寸上13.简化麻烦的算术题简化麻烦的算术题14.高品质的生活高品质的生活15.与与分享分享 16.列出一个单子列出一个单子17.和和比较比较18.提供给某人某物提供给某人某物19.用用连接连接20. 很多新用途很多新用途help sb. with sth.in sizesimplify difficult sumsa life of high qualityshare sth. with sb.work out a listcom

14、pare withprovide sb. with sth.be connected bymany new applications1642The computer began as a calculating machine1822The computer grew rapidly both in size and in brainpower.Task 3 Careful readingThe analytical machine was made by Charles Babbage.19361940s The first family of computers was connected

15、 to each other.1970s nowComputers had grown as large as a room.1960sComputers were used in offices and homes.Computers connect people all over the world together.Task :Read the text and answer the questions:1. How did the computer work as an Analytical Machine?2. In how many ways do we say the compu

16、ter changed? What are they?The computer followed instructions from cards with holes.Size:Intelligence:Speed:Function:People opinion:smallerclevererquickercalculating, solve problems, share knowledge with others and many new applicationsclever&useful&helpful3. Who is the speaker in this story? Write

17、down three sentences from the story to support your idea.4What does “many new applications” in last paragraph mean?A computer.1) I was built as an Analytical machine by Charles Babbage. 2) My real father, Alan Turing, 3) I was always lonely standing there by myself, until in early 1960s they gave me

18、 a family connected by a network.It means some new practical use of computer.Task: Try to translate these sentences and analyze the structure.1. I developed very slowly and it took nearly two hundred years before I was built as an analytical machine by Charles Babbage.2. Over time my memory has deve

19、loped so much that, like an elephant, I never forget anything I have been told! 我发育缓慢，差不多到了两百年之后，查尔斯我发育缓慢，差不多到了两百年之后，查尔斯巴巴比奇才把我制成了一台分析机比奇才把我制成了一台分析机。（。（and引导并列句）引导并列句）随着时间的推移，我的记忆能力发展的如此之快，就像一随着时间的推移，我的记忆能力发展的如此之快，就像一头大象一样，从来不会忘记告诉我的任何事情。头大象一样，从来不会忘记告诉我的任何事情。（sothat如此如此以至于以至于，用来引导结果状语从，用来引导结果状语从句。）句

20、。）3. But I was always so lonely standing there by myself, until in the early 1960s, they gave me a family connected by a network.4. In 1936 my real father, Alan Turing, wrote a book about how I could be made to work as a “universal machine” to solve any difficult mathematical problem.但是我总是孤孤单单地站在那里，

21、直到二十世但是我总是孤孤单单地站在那里，直到二十世纪六十年代初，人们才给了我一个用网络联成纪六十年代初，人们才给了我一个用网络联成的家庭。（的家庭。（until引导的时间状语从句）引导的时间状语从句）在在1936年，我真正的父亲，艾伦年，我真正的父亲，艾伦图灵写了一图灵写了一本书，讲述了怎样使我成为一台本书，讲述了怎样使我成为一台“通用机器通用机器”来解决任何数学难题。来解决任何数学难题。(宾语从句，注意宾语从句，注意be made to的用法）的用法）5. I have also been put into robots and used to make mobile phones as w

22、ell as help with medical operations.我还被放到机器人里面，被用来制作移动手机，我还被放到机器人里面，被用来制作移动手机，并且用来帮助作医疗手术。并且用来帮助作医疗手术。（并列句，现在（并列句，现在完完成时被动语态）成时被动语态）6.翻译句子，并指出所运用的时态及语态。翻译句子，并指出所运用的时态及语态。.自从这两兄弟建立起组织之后，超过自从这两兄弟建立起组织之后，超过5,000辆二辆二手自行车被回收起来。（手自行车被回收起来。（collect）.在过去的十年里，这个城镇被地震袭击了两次。在过去的十年里，这个城镇被地震袭击了两次。(hit)More than

23、5,ooo used bikes have been collected since the two brothers set up the organization.(现在完成时被动语态）现在完成时被动语态）Over the past ten years, this town have been hit twice by earthquake.(现在完成时现在完成时被动语态）被动语态）Retell the story by filling the following passage. I began as a _ machine in 1642. It took nearly two hun

24、dred years _ I was built as an analytical machine. I became a “universal machine” in 1936 to _ any mathematical problem. I was very big at one time. However, as time _, I was made smaller and smaller. I was given a family _ by a network in the early 1960s. I was able to _ my knowledge with others _

25、the World Wide Web.calculatingbeforesolvewent by connectedsharethrough I have been widely used in many fields, such as in communication, _, trade and medical _ . I have also been put into robots and space rockets to _ the Moon and Mars. Im glad I am a devoted friend and helper of the human race.financeoperationsexplore Homework1）Recite the text2）Memorize new words in Unit3keyboardmousemonitorscreenspeaker host computercamera Class standard requirement 【大纲要求大纲要求】 Learn about the history and basic knowledge of com