B2Unit3課文理解

1、 Unit 3 Computers Period 1 Warming up溫馨提示溫馨提示 Passion comes first!激情第一！激情第一！ 請拿出你的請拿出你的課本、課文理解導(dǎo)學(xué)案課本、課文理解導(dǎo)學(xué)案雙色筆雙色筆【學(xué)習(xí)目標學(xué)習(xí)目標】1. 掌握課文中的基礎(chǔ)知識，提高分析掌握課文中的基礎(chǔ)知識，提高分析句子成分和透徹理解課文的能力句子成分和透徹理解課文的能力2. 自主學(xué)習(xí)，合作探究，學(xué)會翻譯和自主學(xué)習(xí)，合作探究，學(xué)會翻譯和分析的方法。分析的方法。3. 了解計算機的發(fā)展歷程，激情投入了解計算機的發(fā)展歷程，激情投入課堂，享受學(xué)習(xí)的快樂。課堂，享受學(xué)習(xí)的快樂。Abacus 算盤算盤 An a

2、bacus is an old calculating machine used in China until nowCalculator 計算器計算器 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 (戰(zhàn)斗戰(zhàn)斗)仿真機器人entertainment 娛樂娛樂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內(nèi)內(nèi)容容自己預(yù)習(xí)課文中的疑難點自己預(yù)習(xí)課文中的疑難點要要求求1. 小組內(nèi)先一對一小組內(nèi)先一對一, 然后組內(nèi)合作討論然后組內(nèi)合作討論. 動口動腦動動口動腦動筆。筆。2. 組長調(diào)控好，確保每層的學(xué)生都能組長調(diào)控好，確保每層的學(xué)生都能最大限度解決最大限度解決問題，以備展示和質(zhì)疑，

9、問題，以備展示和質(zhì)疑，保證高效完成。保證高效完成。3. 組長協(xié)助組組長協(xié)助組C層解疑，層解疑，B 層做好展示準備、層做好展示準備、A層層做好拓展。做好拓展。目目標標A層解決所有問題并拓展能力提升部分。層解決所有問題并拓展能力提升部分。BC層解決所有問題。層解決所有問題。 Cooperation and discussion合作探究合作探究 5Presentation and Comment展示點評展示點評內(nèi)容內(nèi)容展示展示點評點評立體交叉目標設(shè)計立體交叉目標設(shè)計Task110G1G21.1.展示同學(xué)展示同學(xué)書寫迅速書寫迅速規(guī)范規(guī)范, ,注意方法總結(jié)。注意方法總結(jié)。 2.2.非展示同學(xué)非展示同學(xué)瘋

10、狂背瘋狂背誦誦課文部分課文部分。3 3. .點評同學(xué)：點評同學(xué)：聲音洪聲音洪亮語言清晰并能拓展亮語言清晰并能拓展（用彩筆補充用彩筆補充【要點要點3 3分分+ +書寫書寫2 2分分= =滿分滿分5 5分分】）4.4.非點評同學(xué)：非點評同學(xué)：認真認真傾聽、積極思考并記傾聽、積極思考并記好筆記。好筆記。有不明白或有不明白或有補充的要大膽提出。有補充的要大膽提出。Task1120G2G3TaskG3G4Task1-2G4G5Task3-4G5G6Task1-2G6G7Task3-5G7G8Task6G8G9Task6G9G1Presentation and Comment展示點評展示點評內(nèi)容內(nèi)容展示展

11、示點評點評立體交叉目標設(shè)計立體交叉目標設(shè)計Task110G1G21.1.展示同學(xué)展示同學(xué)書寫迅速書寫迅速規(guī)范規(guī)范, ,注意方法總結(jié)。注意方法總結(jié)。 2.2.非展示同學(xué)非展示同學(xué)瘋狂背瘋狂背誦誦課文部分課文部分。3 3. .點評同學(xué)：點評同學(xué)：聲音洪聲音洪亮語言清晰并能拓展亮語言清晰并能拓展（用彩筆補充用彩筆補充【要點要點3 3分分+ +書寫書寫2 2分分= =滿分滿分5 5分分】）4.4.非點評同學(xué)：非點評同學(xué)：認真認真傾聽、積極思考并記傾聽、積極思考并記好筆記。好筆記。有不明白或有不明白或有補充的要大膽提出。有補充的要大膽提出。Task1120G2G3 TaskG3G4 Task1,2G4G

12、5 Task3,4G5G6Task1G6G7Task2G7G8Task3G8G9Task4G9G10Task5G10G11Task6G11G1Task II 1.與與有共同之處有共同之處2.作為作為開始開始3.如此如此以至于以至于4.結(jié)果；因此結(jié)果；因此5.解決問題解決問題6.從那時開始從那時開始7.技術(shù)革命技術(shù)革命8.人工智能人工智能9.隨著時間的流逝隨著時間的流逝(2種種)10.把把按順序排列按順序排列have in common begin assothatas a resultsolve the problemfrom then ontechnological revolutionar

13、tificial intelligenceas time goes by/over timeputin order11.協(xié)助某人做某事協(xié)助某人做某事12.在尺寸上在尺寸上13.簡化麻煩的算術(shù)題簡化麻煩的算術(shù)題14.高品質(zhì)的生活高品質(zhì)的生活15.與與分享分享 16.列出一個單子列出一個單子17.和和比較比較18.提供給某人某物提供給某人某物19.用用連接連接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! 我發(fā)育緩慢，差不多到了兩百年之后，查爾斯我發(fā)育緩慢，差不多到了兩百年之后，查爾斯巴巴比奇才把我制成了一臺分析機比奇才把我制成了一臺分析機。（。（and引導(dǎo)并列句）引導(dǎo)并列句）隨著時間的推移，我的記憶能力發(fā)展的如此之快，就像一隨著時間的推移，我的記憶能力發(fā)展的如此之快，就像一頭大象一樣，從來不會忘記告訴我的任何事情。頭大象一樣，從來不會忘記告訴我的任何事情。（sothat如此如此以至于以至于，用來引導(dǎo)結(jié)果狀語從，用來引導(dǎo)結(jié)果狀語從句。）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.但是我總是孤孤單單地站在那里，

21、直到二十世但是我總是孤孤單單地站在那里，直到二十世紀六十年代初，人們才給了我一個用網(wǎng)絡(luò)聯(lián)成紀六十年代初，人們才給了我一個用網(wǎng)絡(luò)聯(lián)成的家庭。（的家庭。（until引導(dǎo)的時間狀語從句）引導(dǎo)的時間狀語從句）在在1936年，我真正的父親，艾倫年，我真正的父親，艾倫圖靈寫了一圖靈寫了一本書，講述了怎樣使我成為一臺本書，講述了怎樣使我成為一臺“通用機器通用機器”來解決任何數(shù)學(xué)難題。來解決任何數(shù)學(xué)難題。(賓語從句，注意賓語從句，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.我還被放到機器人里面，被用來制作移動手機，我還被放到機器人里面，被用來制作移動手機，并且用來幫助作醫(yī)療手術(shù)。并且用來幫助作醫(yī)療手術(shù)。（并列句，現(xiàn)在（并列句，現(xiàn)在完完成時被動語態(tài)）成時被動語態(tài)）6.翻譯句子，并指出所運用的時態(tài)及語態(tài)。翻譯句子，并指出所運用的時態(tài)及語態(tài)。.自從這兩兄弟建立起組織之后，超過自從這兩兄弟建立起組織之后，超過5,000輛二輛二手自行車被回收起來。（手自行車被回收起來。（collect）.在過去的十年里，這個城鎮(zhèn)被地震襲擊了兩次。在過去的十年里，這個城鎮(zhèn)被地震襲擊了兩次。(hit)More than

23、5,ooo used bikes have been collected since the two brothers set up the organization.(現(xiàn)在完成時被動語態(tài)）現(xiàn)在完成時被動語態(tài)）Over the past ten years, this town have been hit twice by earthquake.(現(xiàn)在完成時現(xiàn)在完成時被動語態(tài)）被動語態(tài)）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 【大綱要求大綱要求】 Learn about the history and basic knowledge of com