必修2Unit 3 computer warming up
unit3 section ⅰ warming up & reading课件 新人教版必修2
运用 完成句子 solve his problems ①He went there hoping to ______________________ ( 解决 他的问题)． the solution to ②We still haven't found ____________________ (解决方法) our argument.
了怎样使我成为一台 “通用机器”来解决任何数学难题。 3．solve vt.解决；解答
典例 I solved the word puzzle in three minutes.
我用三分钟解出了那个字谜。 拓展 solve 的名词形式为 solution，后面常接“介词 to＋ 名词/代词”，意为“„„的解决方法”。如： The only solution to the trouble is to sit and talk peacefully. 解决这件事的唯一方法是平静地坐下来谈谈。
典例 What do these writers have in common? 这些作家有哪些共同之处？
拓展 common knowledge/sense 常识
in common with...和„„一样
have something/much/little/nothing in common with... 与„„ 有一些/很多/很少/没有共同之处 运用 完成句子 ①______________________ (和„„一样) many Americans, In common with he enjoys basketball very much.
2．sum n.总数；算术题；金额
典例 Little Lucy is good at sums and she can tell us the sum
Unit3+Computers+Warming+up+&+Reading+同步练测(人教版必修2)
Unit 3 Computers Section A Warming Up & Reading题组ⅠⅠ. 根据汉语提示完成句子1. The teacher _______________ （正在计算）theaverage point of the class.2. The ad_______________（计划）attract theattention of girls.3. He is a man of _______________（攻于心计）.4. He invented a technique for _______________（速算）.5. The book _______________（适合于）children.6. 蒸汽机的发展是十九世纪最大的技术进步。
The development of the steam engine was the greatest ________________ of the 19th century.7. 现代人享受高水准的科技。
People today enjoy a high level of __________ _____.8. We beat them _______________（以3∶2）.9. He tried his best to ________________ （实现目标）.10. He kicked the ball into __________________（球门）.Ⅱ. 单项填空1. To my surprise, I found I had a lot _____ with this stranger.A. in needB. in commonC. in debtD. in danger2. Film has a much shorter history, especially when _____ such art forms as music and painting.A. having compared toB. comparing toC. compare toD. compared to3. These instructions should be made more _____, so that the pupils can understand them.A. modernB. simplifiedC. complicatedD. ordinary4. John thinks it won’t be long _____ he is ready for his new job.A. whenB. afterC. beforeD. sinceA. any countryB. all countriesC. any other countryD. all the countries6. It is the _____ of the earth that causes day and night.A. revolutionB. evolutionC. conclusionD. conversation7. To be honest, I don’t like such an/a _____ manner of writing, which is far from the truth.A. honestB. realC. falseD. artificial8. —Have you known Dr Jackson for a long time? —Yes, since she _____ the Chinese Society.A. has joinedB. joinsC. had joinedD. joined9. The new stadium being built for the next Asian Games will be _____ the present one.A. as three times big asB. three times as big asC. as big as three timesD. as big three times as10. I travel to the Binhai New Area by light railway every day, _____ do many businessmen who live in downtown Tianjin.A. asB. whichC. whenD. though11. You can use the glass _____ a vase.A. likeB. asC. forD. to12. Try _____ she might, Sue couldn’t get the door open.A. ifB. whenC. sinceD. as13. Teachers must put the brakes on, _____ it were, when they notice students looking puzzled.A. asB. likeC. toD. for14. He apologized; _____, I won’t forgive him.A. butB. howeverC. soD. thereforeair?—_____A. Come on.B. Take care.C. Go ahead!D. Hold on!16. To get a better grade, you should _____ the notes again before the test.A. go overB. get overC. turn overD. take over17. The enemy had to lay down their arms _____ the great force of our army.A. as a resultB. as a result ofC. resulting inD. resulted from18. My friend Martin was very sick with a strange fever; _____, he could neither eat nor sleep.A. as a resultB. after allC. any wayD. otherwise19. He was _____ blind as a result of the traffic accident.A. totalB. totallyC. completeD. whole20. She has not changed much _____ the years.A. againstB. towardC. uponD. over21. As the story _____, the truth about the strange figure is slowly discovered.A. beginsB. happensC. endsD. develops22. There, far from here, you can find _____ island where an old man lives _____.A. a lonely; lonelyB. a lonely; aloneC. an alone; lonelyD. an alone; alone23. When taking exams, students should work out the problems _____ themselves.A. ofB. toC. byD. with24. This shop will be closed for repairs _____ further notice.A. withB. untilC. forD. at25. If a lot of people say a film is not good, I won’t bother to see it, or I’ll wait _____ it comes out onA. whetherB. afterC. thoughD. until26. Before repairing the water pipe, the worker cut off the _____ of the house pipes t o the water supply.A. gasB. electricityC. heatingD. connection27. Mr Smith, _____ our company, returned to his country last month.A. had been connected withB. had joined toC. connected withD. joined to28. Mother _____ the cakes among the boys when the girls asked for more.A. was separatingB. was handingC. was sharingD. shared29. Learning to _____ makes it easier for one to get along well with others in work and life.A. createB. liveC. shareD. learn30. —_____ when has the country been open to international trade?—1978, I suppose.A. SinceB. InC. FromD. After31. The number of foreign students attending Chinese universities _____ rising steadily since 1997.A. isB. areC. has beenD. have been32. Letterboxes are much more _____ in the UK than in the US, where most people have a mailbox instead.A. commonB. normalC. ordinaryD. usual33. Recently a survey _____ prices of the same goods in two different supermarkets has caused heated debate among citizens.A. comparedB. comparingC. comparesD. being compared34. I began _____ how long it would take to get to theA. workingB. hopingC. calculatingD. remembering35. The loss has not yet been _____ accurately, but it is believed to be well beyond a hundred million dollars.A. calculatedB. consideredC. completedD. controlled36. _____ with many other boys, he likes basketball.A. In generalB. In totalC. In commonD. In particular37. _____ she had time to realize what was happening, she was hit on the head.A. SinceB. BeforeC. WhenD. Until38. Mr Smith owns _____ collection of coins than anyone else I have ever met.A. largerB. a largerC. the largerD. a large39. From then on he _____ interested in art.A. becomesB. have becomeC. becameD. had become40. According to statistics, a man is more than twice as likely to die of skin cancer _____ a woman.A. thanB. suchC. soD. as41. _____ time went on things seemed to get worse.A. WithB. AsC. DuringD. For 42. You haven’t told us your opinion; _____, you can make it clear now.A. butB. howeverC. forD. so43. —Didn’t you have a good time at the party?—Of course I did. As a matter of fact, I had such fun that time seemed to _____ so quickly.A. go byB. go awayC. go outD. go over44. I couldn’t take care of her _____ I was very busy.A. as a resultB. as a result ofC. becauseD. because of45. China is a _____ country, while America is a _____ country.A. developing; developedB. developing; developingC. developed; developingD. developed; developed46. Don’t get off the bus until it _____.A. stopsB. stoppedC. will stopD. stop47. It’s always better to _____ your worries and problems.A. shareB. enjoyC. appreciateD. like48. The young c ouple quarrelled and quarrelled; their connection was beco ming _____.A. goodB. closeC. farD. loose答案与解析Ⅰ. 1. is calculating 2. is calculated to3. a calculating nature4. quick calculation5. is calculated for6. technological advance7. science and technology 8. by three goals to two 9. achieve/realize his goal 10. the goalⅡ. 1. B 本题考查固定搭配。
人教版高中英语 必修二 Unit3 《Computers ---Warming up》 课件
Discuss what they have in common? You are asked to use the following
expressions in your discussion. – I think that … – In my opinion… – I believe that…
12
Task 1: Choose the best answer.
1. What’s the main idea of the text? D A. What a computer is. B. What a computer is used for C. How the computer becomes popular. D. The history of the computer.
6
Personal Digital Assistant A very small light computer that you can carry with you, and that you use to store information such as telephone numbers, addresses, and appointments. Some PDAs can send and receive email, and connect to the Internet.
11
Can you put these inventions in an order according to the time when they appeared?p17 analytical machine（分析机） laptop calculating machine （计算机器） robot PC universal machine（通用机器）
Computers--Warming-up,IntensiveReading教案(新人教版高中英语必修2unit3)
Computers--Warming-up , Intensive Reading教案（新人教版高中英语必修2 unit 3）Teaching goals:1. To have a better understanding of the main idea of the passage.2. To enable the students to talk about computers and robots in English and express or support an opinion with suitable expressions3.To enable the students to grasp the progress of computers4. To enable the students to talk about computers and robots in EnglishTeaching aids: Computer, recorder and projectorTeaching procedures:Step 1. Lead-in (Word puzzle )T: The technology develops so quickly that many new things appear in human being’s life.Let’s guess what they are: (show the picture on the screen and get Ss to say out the answers, learn the new words at the same time )An old calculating machine used in China until now. (An abacus)It is built to solve some mathematical problems. But it is too big. (A huge computer)It is a new calculating machine which can solve a large number of mathematical problems. (A calculator)It is a personal computer which can solve all kinds of problems and is used widely now.(A PC / personal computer)T: If I am a math teacher, which can help me most?(Ask students to give their opinions, remind them of using the expressions of giving opinions) Ask students to discuss what the items just shown have in common, and then rank them according to the time of their appearance.Ask some of the students to talk about what they know about computers.Ask students to discuss “How have computers changed our life?”, and then have some of them give their answers, using the expressions of giving opinions.Step 2 Pre-readingT: Have the computer and Internet become part of your life?How have computer changed our lives? (What can you use them to do? )Ss: I use the computer or Internet to: type my homework /draw pictures/ play games communicate with my friends./ gather related information for my lesson s/ buy the things I like, / listen to music /watch movies…T: What else do you think the computer and Internet will help you to do ?Deal with Ex 3 of Pre-reading on Page 17Step 3 SkimmingGive students only 1 minute, then ask them to get the main idea of the passageThe main idea of the passage: This is a short _____ of the _______ of computers.Who am I ? ( A computer )(shown on the screen)Step 4 ScanningGive students 2 minutes, and ask them to scan answers to the following questions:(Before students read the passage, tell them that attention should be paid to the hints of the time.) (Questions are shown on the screen)Question (1) What is the main idea of the passage?Students are asked to find out three sentences to support who the speaker is in the story.1)Then in 1822 I was built …. (Itself was the first design of a computer)2)My real father was Alan Turing.(He designed the first real computer.)3)However, people thought I was simple-minded until…., (It has artificial intelligence.) Question (2) What happened to computers in 1642？Question (3) What happened to computers in 1936?Question (4) What happened to computers in 1970s?Step 5 Detail ReadingI Give students 5 minutes to read the passage carefully, and answer the following questions: Question (1) Who was the first person to describe how the computer was made to work? Question (2) What did he make and what did it do?Question (3) Who was the next important person to design computers?II True or False1. In 1642 I began as a calculating machine and could solve any mathematical problem. F2. My real father was Charles Babbage, who wrote a book and build me in 1936. F3. After I got my new transistors in the 1960s, I became smaller but cleverer and quicker. T4. I was brought into people’s homes in the 1970s. T5. Since my birth I have been built to take the place of human race. FIII ComprehendingAsk students:” How is the passage organized?”(If the students can not answer the question, draw their attention to the appearance of different years.)Fill the tableA chain of events showing the development of computer / Changes of the machineTimeline1642: _____________________________________________: the Analytical Machine was Madeby Charles Babbage.1936: _______________________________________________________________________ 1960s: ___________________________________________________________________________: the first family of computers was connected to each other.1970s: ______________________________________________________________________ Now: _______________________________________________________________________ Explain how the computer technology has been developing and complete the following chart. Then give a brief oral presentation on the development of computer technology with the help of the chart.Step 6 Summing-up and enjoyingI. Ask students to finish the form shown on the careen(the same as on p.19) while playing the voice of the textII . Ask students to ex-change their own answers in groups, and then raise questions if they have any.III. Sum up:1) Chronological writing Chronology (资料等)按年代次序的排列Chronological means to describe things in order of time.Chronology is often used in recounting an event or describing the life of someone. It is an effective way to make a mass of things clearer.Step 7 Oral practice ─Retell the text using Chronological1. Have students get prepared in 2 or 3 minutes and then retell the development of computers in your own words, using chronology.2. Ask some of the students to retell the text.Step 8 Homework1. Go over the text, and try to understand the text.2. Get ready for the discussion on P.19 Comprehending 33. Finish Exercise 1 in Learning about Language on page 19。
信息技术教案：高一英语必修2Unit3Computers全单元教案
信息技术的发展已经深深地嵌入到我们的生活中。
计算机的出现彻底改变了人们传统的生产方式和生活方式。
现代教育不再是仅限于背书和抄板书，而是花费大量的时间和精力去思考、去分析和去实践。
在这样一个信息时代，教师的角色也随之转变。
我们不仅需要教授知识，还需要培养学生的信息能力，帮助他们理解和利用科技并运用它们支持我们的学习和生活。
高一英语必修2 Unit3 Computers全单元教案是一份非常重要的信息技术教案。
这个单元是有关于计算机和互联网的，向学生介绍了计算机的历史和发展，软件和硬件，以及学习计算机和互联网所需的相关知识。
第一课：Computers in Everyday Life这一课介绍了计算机在生活中的应用以及与人们的生活密切相关的一些软件。
我们可以向学生展示各种各样的工具软件，如视频制作、图片编辑、文档编辑、音频制作等等。
我们也可以通过展示计算机硬件的内部结构来引导学生了解计算机是如何工作的。
第二课：The Development of Computers这一课涵盖了计算机诞生以来的漫长历史。
从最初的机械计算器到现代的个人计算机，这里介绍了计算机的种类、发展和特点。
学生能够学习计算机的历史，了解计算机技术的发展和趋势，以及计算机的应用范围。
第三课：Computer and Society这一课程介绍了计算机在社会生活中的应用，并引导学生思考计算机技术对社会的影响，特别是当它开始影响人们的生活、工作和教育时。
我们将会讨论有关网络安全问题，从而让学生了解如何安全地使用计算机。
第四课：Software这一课介绍了计算机系统中的软件，包括操作系统、应用软件、编译器等等。
学生将了解到不同类型的软件的特点，掌握基本的软件使用技巧。
第五课：Data Storage这一课主要介绍了计算机数据存储，包括内存、硬盘等。
学生将学习如何存储、传输和访问数据，并了解如何保护我们的数据。
第六课：The Internet这一课介绍了互联网的原理和应用。
人教新课标必修二英语Unit 3Computers【教学设计】
Unit 3 Computers本堂课包括Warming up 和Reading 两部分。
他们是语言知识和文化意识的输入过程；是语言技能、情感态度和学习策略的培养过程，也是语言输出过程。
在整个教学过程中，它是培养学生阅读能力的主要过程，教学重点是阅读技能的培养、交际能力及情感态度的提升。
Warming up部分根据每个人对电脑的看法不同让学生就“Do you like computer?”进行小组探究和讨论，从自身实际出发谈论自己的看法，有助于激发学生对于整个单元的学习兴趣。
Reading部分（Computers）主要讲述的是电脑的发展史，通过一系列问题的设置让学生能够在全面理解文章的基础上提高信息处理、加工和学习的能力。
Knowledge objectives:掌握以下词语和句型：Calculate,sum, solve, simplify, artificial, intelligence, revolution,reality, totally, application, finance, in common, over time, as a result, from···on, so···that. Ability objectives:训练学生一定的阅读技巧，使他们掌握一些有效的学习策略，从而提高阅读速度和篇章理解的准确性，并养成一定的自主学习能力；培养学生快速阅读的能力、捕捉信息的能力及运用语言进行交际的能力。
Emotion objectives:通过对“computer”的学习，启发学生思考电脑给我们带来的影响，从而以一种正确的方式利用电脑和网络资源；另外通过电脑的发展历程让学生意识到科技对生活的影响。
1. 教学重点：1.了解计算机的发展过程，进一步认识计算机的演变以及对人类的影响。
2.训练学生的阅读技巧，提高学生阅读速度和理解能力。
人教高中英语必修2Unit3 Warming up
Change:
the first computer Name: Eniac Born: 1946
→
laptop
How does it change?
→ Reading
WHO AM I ?
What kind of devices (修辞)does the text use?
Personification （拟人）
B. Because the computer could simplify sums.
C. Because its memory improved D. Because the computer never forgot anything. 3. How long did it take before the computer
San the text and then choose the best answer according to the text.
1. In 1936，Alan Turing wrote a
book about _B______.
A. how to simplify difficult sums B. how the computer could be made
details 3. small chips 4. network 5. W__o_rl_d_W_i_d_e _W_e_b__
Read paragraph three and complete the chart
Topic sentence
Paragraph three
Since the 1970s many new applications have been found for me.
新人教版高中英语必修二第三单元课件 Warming up and reading
Now: Computers connect people all over the world together.
Conclusion of the text
1.What’s the main idea of the text? The main idea of the text is the history and development of computers.
2. How did computers develop?
Calculating machine
Analytical machine
Universal machine
Internet
Computer
Artificial intelligence
Discussion
Should high school students surf the internet?
I was brought into people’s homes.
True or False?
F 1. In 1642 I began as a calculating machine and
could solve any cmaalctuhleamtiantgical problem.
F 2. My real father was CAhlarnleTsuBrianbgbage, who
• Teaching aims and demands:
• This unit is concerned with teaching students a little more of the history and development of computers and their applications.
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PDA Advantages: compact(小巧的), useful, portable(轻便的,方便携带的), convenient to carry Disadvantages: the screen is too small, it needs battery(电池), …. lose data(数据 )….
Homework
1. Preview the reading passage “who am I ”.
• PC Advantages: personal, popular, faster, intelligent ,more useful \usages\ functions, (surfing the Internet, looking for information, draw pictures…) Disadvantages: too big to carry , expensive, skillful (it requires people should know how to use a computer)
calculator
It is a machine, which you can use to type your homework, draw pictures, play games, watch movies, listen to music, communicate with your friends, gather information… Who am I ?
• Abacus Advantages: fast, traditional , convenient, simple Disadvantages: too simple Calculator Advantages: accurate(准确的), convenient, convenient to carry, more useful, has more functions, like cos, sin, log, etc Disadvantages: people will rely on it too much
重置
Monitor
Speaker
Printer
Scanner
Mouse
Part2 History What do they have in common?共同点
abacus
calculator
Huge computer
What’s next?
Robot
laptop3 Comparison Discussion and competition
Part 1 words
Guess :
I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they don’t like me now.
disadvantages: 1… bad information 2… bad for our health, especially bad for our eyes 3. spending too much on it will do harm to our study. 4.....bad for our study 5. …reduce the time for real friends and family.
Do you know who I am?
abacus
I am very small. I can be used for calculating. In China, a lot of students use me when solving mathematical problems.
Do you know who I am?
Part 5
Summary
• Discuss the advantages and disadvantages of using a computer with your partner?
• Advantages:1.surf the Internet 2.look for information 3. communicate with others online 4. make friends all over the world 5. make free calls through QQ 6. watch films, videos. 7. draw pictures 8. use Photoshop to make your photos more beautiful
Computer \PC
it is a kind of computer which can be taken conveniently(方 便地) like a notebook.
A laptop
CPU (central hard disc硬盘
processing Unit)中央处理器
chips 主板
display card 显卡
monitor显示器
keyboard
键盘
mouse
鼠标
modem
Scanner
扫描仪
printer
Speaker音箱
CD/DVD/VCD
CD / DVD-ROM
光盘驱动器
Components of a computer
电脑组件
内存 Random Access Memory
1. Words about computers 2. History of development of computers 3. Comparison among abacus, calculator, PC and PDA 4. Speaking practice 5. Summary on the advantages and disadvantages of using a computer
Part 4
Speaking practice If you decide to
design (设计 )your own house, which one do you like to use to help your? abacus, calculator , PC, PDA? Give your reasons?
Use words \phrases to express the advantages ( 优点)and disadvantages(缺点) of abacus, calculator, PC, and PDA.(用单词,词组 来表达abacus, calculator, PC,PDA的优 点,缺点) discussion3’+writing 5’