人教英语必修二Unit3Computers4UsingLanguageⅡ[赵妮娅]【市一等奖】优质课 (1)

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英语必修2人教版教案：Unit 3 Computers 新人教版必修2

新课标人教版 Unit 3 Computers 计算机核心词汇1．Where can I____________(下载)the exercises from the Internet?2．More problems like those at the nuclear power plant are certain to____________(出现)．3．During the winter holidays，I____________(辅导)some students for English exams.4. They achieved their____________(目标)of increasing sales by five percent. 5．It is such a hard problem that it is impossible for me to____________(解决)．6．Money does not always bring____________(幸福)．7．These changes are due to an increase in the carbon dioxide in the atmosphere since the beginning of the Industrial____________(革命)．8．There is another kind of beauty that has nothing to do with____________(外貌)，but comes from the heart.9．It is just her childhood experiences that affect her____________(性格)and later life.10．After the president made an official announcement，he expressed his____________opinion.____________speaking，I agreed with his opinion.(personal) 11．I would like to____________for the job advertised in the newspaper，so I have sent my____________before July 20,2010.(apply)12．Can you say that dolphins are much more____________than other animals？Well，they are animals of high____________and they can communicate.(intelligent)1.download2.arise3.coached4.goal5.solve6.happiness7.Revolution8.appearance9.character10.personal；Personally11.apply；application 12.intelligent；intelligence高频短语1．________________ 从……时起2．________________ 结果3．________________ 如此……以致于4．________________ 在某种程度上5．________________ 在……的帮助下6．________________ 处理；安排；对付7．________________ 看守；监视8．________________ 共有；共用9．________________ 弥补10．________________ 毕竟1.from...on2.as a result3.so...that4.in a way5.with the help of6.deal with7.watch over8.in common9.make up 10.after all重点句式1．____________，I was made smaller.随着时间的流逝，我被做得更小了。

人教新课标高中英语必修二Unit 3 Computers教案

Unit 3 ComputersPeriod 1 ReadingI.Teaching aims1. Knowledge aims(1)Get the students to learn the useful and expressions in this part.(2)Let students to learn about history and basic knowledge of computers.2. Ability aimDevelop students' reading abilities and let them learn different reading skills.3. Emotional aimArouse students' great interest in learning computers and let them learn to use the computers in their daily lives.II.Teaching difficult and important points1.Let the students learn more about history and basic knowledge of computers.2.Get the students to learn different reading skills.III.Teaching methods1.Task-based teaching and learning2.Cooperative learning3.DiscussionIV. Teaching proceduresStep1.Lead-in and warming upShow the students some pictures of Steve Jobs and let them guess who he is. After showing the third picture, they may get the right answer. Then let them focus on the tablet in his hands and ask them what kind of computers it is.Then show them a short video about the history of Apple’s computers and ask them how many different kinds of computers they can see.At last, show them some kinds of computers.T: Do you want to know more about computers?Step2.SkimmingRead the whole passage as fast as you can.Try to get the main idea of this passage.A. The computer wants to find “who he is”.B. The function (功能) of the computer.C. The computer becomes popular around the world.D. The history and the applications of the computer.Find out the topic sentence of each paragraph and underline them.Step3. Careful-reading Para 1ScanningLet the students read this paragraph carefully and try to finish the following char.T: How could these changes become possible?Step4. Careful-reading Para 2Let the students read paragraph 2 quickly and find the answer to this question. After check the answer, give them one minute to find the five different ways of memory for computers in different periods of time.Step5. Careful-reading Para 3Since the memory of computers has been improved greatly, will them become more powerful and can be used in more fields?Now read the last paragraph and find out the new applications of computers.Step6. Further Reading1.The passage is written by_______ order?2. What is the most used rhetoric (修辞法) in this passage?A. simile（明喻）B. personification (拟人)C. metaphor (暗喻)3. In what ways have computer been changed?Ask some students to summarize. If they have any difficulty, give them some hints. Step7. Activity: Be the next Jobs!We have learned the history of computers and seen the great development of computers. What will the computers be like in the future? Do you want to design your computers as Jobs did? Now try to design your computers.For example:This is the new computer designed by our company.It is very small and transparent(透明的). You can even put it into your pocket. (Shape/color)It has a free-internet in it. You can… (Applications/functions)It only costs you … (Price)Give the students five minutes to prepare and invite some of them to show their ideas. Step8. Homework1. Try to retell the history of computers.2. Read the passage carefully and underline the difficult sentences.。

人教版高中英语必修二unit-3《computers》(using-ldocxngu

人教版高中英语必修二unit 3?computers?〔using language〕学案 1、山东省泰安市肥城市第三中学高一英语人教版必修山东省泰安市肥城市第三中学高一英语人教版必修2?Unit2?Unit33Computers?UsingComputers?Usinglanguagelanguage学案学案【学习目标】理解课文中重点句子，把握句中固定搭配和重点单词和短语的用法。

【学习重点】signal,arise,inaway,withthehelpof【课型】新授课【回忆预习】Readingthepassagefluentlyandfindoutsomeusefulwordsandphrases.【新学问学习】Step1:Rea2、dingReadthefirstparagraphandanswerthefollowingquestions.Q1:whoistalki nginthepas sage?IsAndyarealperson?Q2:whatdoesAndylooklike?Q3:What’sAn dy’sjobinthefootballteam?Q4:whathelpsAndymoveinthefootballcompetitio ns?Readthesecondparagraphandanswerthefollowingquestions.Q1:whichcomp 3、etitionhasAndybeento?Q2:DidAndy’steamwintheSeattlecomp etition?Whatha ppened?Q3:whoistheircoach?Whydoyouthinkso?Step2:Importantwordsandphra ses:1.聚集2.用计算机语言3.就个人而言4.鼓舞某人做某事5.决心做某事6.在某种程度上7.牢靠的8.毁灭，发生9.编造10.到底11.在—关怀下Step3:Languagepoints1．signaln.信号v.发信号，用信号示意原句再现：拓展：signal(to4、)sb.todosth用信号示意某人做某事1)Inthepast,thesmokeontheGreatWallisthesignalofcomingenemies.2)司机示意让他过大路。

新人教版高中英语必修二《Unit 3 Computers》精品

精选课件ppt
9
电脑帮助我
们解决很多任务，这些任务我们往往在短时间内难以解决。
solve
Computers help us solve many tasks,
which are difficult to complete in a short time.
精选课件ppt
10
explore
即便如此，
1）so +adj/adv +that从句。 2） so +adj+ a(n)+单数可数名词+that从句。 3）so+ many/much/few/little +名词+that从句。 Such…that表示“如此…以至于”引导结果状语
从句。
1）such +adj +复数可数名词+that从句。
2） such+adj+不可数名精选词课件+pptt hat从句。
❖ 1.as a result of 2.in a way 3.with the help of
4.deal with 5. watch over
精选课件ppt
2
Fill in the blanks
As technology develops, computers play an
important role both in our life and work. They
此课件下载可自行编辑修改，供参考！感谢您的支持，我们努力做得更好！
Personally, students should use computers
properly so as to succeed in study.

人教高中英语必修二：Unit3 Computers

individual work
Post-speaking
What useful expression do we use to
make a decision and reason?
Pre-writing
Imagine
what problems and delights this android might have to deal with
but they also cause bad effects.
What attitude should we have to the computer? Make good use of it but never get trapped by it.
Pre-speaking
Computers and the web have a great influence on the school education as well as people’s life. It has come into people’s everyday life and many families hold computers in their homes.
What do you have to do? What is the child like? What is the parents’ requirement of the child? What do the parents want you to do? What does the child want you to do? what will you do? How do you feel?
So, the 21st century is the century of information technology.

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。

高中英语：Unit3 Computers Using language(新人教必修2)

高一英语同步练习必修2 Unit3 Computers第4课时 Using language基础练习本单元知识点总结归纳一.英汉互译1. mouse ________2. central processing unit ______3. main board _______4.display ________5. speaker ________6. printer ________7.scanner _______8.共同的_________ 9.结果___ 10.处理，对付_____ AP0i3QldwP11.毕竟_______ 12.在某种程度___13.看守，监视_______14.在某人帮助____________15决定做____二．重点句型1. ______ the 1940s I ______as large as a room------AP0i3QldwP2. _____time went by, I was made smaller----3. My memory has developed so much that, like an elephant,I never forget anything I _______AP0i3QldwP4. Anyhow, my goal is ______humans _____a life of high quality.AP0i3QldwP三．交际用语I think/don’t think that ----Let ’s make a decision.Let’s decide------I believe that----The advantage/disadvantage is---I agree/ don’t agree---because---Give me your reasons.What makes you think so? First---Second---I think---because (of>---四．语法 have/has been done五．选择单词的正确形式填空1. He was _______ by the heroes.2. We should make good use of our_______3. These young men _____ for the gold medal.4. An idea suddenly ________ me.5. We have _______ a new building.6. He is ________ to go abroad.7. We have a common _______.8. He is _______ ten dollars a month for his pocket money.AP0i3QldwP9. A red light is usually a _______ of danger.10.He is our chief _______ in football.实战演练一．单项选择1. Let’s hold a party to_____ your birthday and at the same time _____ you on your passing the drivingtest.AP0i3QldwPA. congratulate; celebrateB. celebrate; celebrateC. celebrate; congratulateD. congratulate; congratulate2. It seems difficult to____ hurt from injure in meaning.AP0i3QldwPA．judge B．tell C．divide D．separate3. During the football match, he hurt his arm as wellas______ his leg.AP0i3QldwPA. breakB. breaksC. breakingD. broke4. He goes to the gymnasium for physical training _________ day.AP0i3QldwPA. every eachB. every oneC. each otherD. every other5.---Susan, you will come and watch TV, won’t you?---____．I prefer reading to ____television．A. No; watchB. No; watchingC. Yes, watchD. Yes; watching6.—So can I ask you a few fairly straight forward questions about yourself ?AP0i3QldwP—No problem . I like______ when people are open and direct .AP0i3QldwPA．that B．this C．it D．them 7. .——You missed a good chance .——Yes , I ____ that job when it was offered .A. should takeB. should have takenC. must have takenD. would take8. —_______ John this week?—Yes.—Where _______ him?—In the library.A. Did you see; did you seeB. Have you seen; did you seeC. Do you see; have you seenD. Have you seen; have you seen9.When I got to the cinema，the film_ ___ for ten minutes．AP0i3QldwPA. has begunB. had begunC. had been onD. was on10.—Do you like the material?—Yes，it_______ very soft．A. is feelingB. feltC. feelsD. is felt二．完形填空About a year ago, I went to stay at a Detroit hotel. I didn’t want to 11 too much money with me, so I 12 the desk clerk to put a hundred-dollar bill in the safe for13 .The next morning, however, the clerk said that he knew nothing about my money. I didn’t have any proof(证据> 14 I had given the man the money. There was clearly 15 left to do but go to the nearest lawyer at once. The lawyer 16 me to return to the hotel with him and give 17 hundred-dollar bill to the clerk. 18 we did. An hour later, I went back to the desk and asked for my money together with the lawyer. 19 I had the lawyer as an eyewitness (证人> to the 20 hundred-dollar bill, the clerk could not__21___ he knew nothing about it.AP0i3QldwPAnother hour later, I put the second part of the lawyer’s plan into action. This time both the lawyer and I went to the _22___to ask for the hundred-dollar once again. No matter(不管> 23____I said, the clerk who kept my bill_24___ that he had given it to me. I said it was not_25___. The lawyer said to him, “I_26___this gentleman give you a hundred-dollar bill. If you don’t hand it in immediately, I will be forced to call the _27___ .” Now the clerk felt quite __28___ , so he gave me back the first hundred-dollar bill.AP0i3QldwP“I don’t know _29____ to thank you enough for getting my money back,” I said to the lawyer. And what do you suppose he answered? He said, “Oh, don’t _30___ me. That will be one hundred dollars, please.”AP0i3QldwP11. A. borrow B. spendC. wasteD. carry12. A. made B. askedC. allowedD. let13. A. me B. heC. himD. us14. A. that B. whichC. whereD. when15. A. something B. nothingC. anythingD. everything16. A. hoped B. agreedC. insistedD. advised17. A. the other B. anotherC. othersD. other18. A. Such B. AllC. SoD. Much19. A. For B. ThoughC. Even ifD. Because20. A. first B. secondC. thirdD. one21. A. say B. admitC. permitD. recognize22. A. restaurant B. bankC. hotelD. hospital23. A. what B. whateverC. whichD. how24. A. suggested B. insistedC. rememberedD. forgot25. A. true B. sureC. exactD. nice26. A. forced B. madeC. allowedD. saw27. A. police B. judgeC. officialD. officer28 A. content B. nervousC. angryD. sad29. A. when B. whatC. whereD. how30. A. thank B. praiseC. leavesD. fool三．阅读理解AAt one time, computers were expected largely to remove the need for paper copies of documents(文件> because they could be stored electronically. But for all the texts that are written, stored and sent electronically, a lot of them are still ending up on paper.AP0i3QldwPIt is difficult to measure the quantity of paper used as a result of use of Internet-connected computers, although just about anyone who works in an office can tell you that when e-mail is introduced, the printers start working overtime. “I feel in my bones this revolution iscausing more trees to be cut down,” says Ted Smith of the Earth Village Organization.AP0i3QldwPPerhaps the best sign of how computer and Internet use pushes up demand for paper comes from the high-techindustry itself, which sees printing as one of its promising new markets. Several Internet companies have been set up to help small businesses print quality documents from a computer. Earlier this week Hewlett-Packard Co. announced a plan to develop new technologies that will enable people to print even more so they can get a hard copy of a business document, a medical record or just aone-line e-mail, even if they are nowhere near a computer. As the company sees it, the more use of the Internet the greater demand for printers.AP0i3QldwPDoes all this mean environmental concerns(环境问题> have been forgotten? Some activists suggest people have been led to believe that a lot of dangers to the environment have gone away. I guess people believe that the problem is taken care of, because of recycling(回收利用>, said Kelly Quirke, director of the Rainforest Action Network in San Francisco. Yet Quirke is hopeful that high-tech may also prove helpful. He says printers that print on both sides are growing in popularity.AP0i3QldwPThe action group has also found acceptable paper made from materials other than wood, such as agricultural waste.AP0i3QldwP31. The growing demand for paper in recent years is largely due to ____.AP0i3QldwPA.the rapid development of small businessesB.the opening up of new marketsC.the printing of high quality copiesD.the increased use of the Internet32. Environmentalists believe one possible way of dealing with the paper situation is ____.AP0i3QldwPA.to encourage printing more quality documentsB.to develop new printers using recycled paperC.to find new materials for making paperD.to plant more fast-growing trees33. Hewlett-Packard Co. has decided to develop new technologies because ____.AP0i3QldwPA.people are concerned about the environmentB.printers in many offices are working overtimeC.small companies need more hard copiesD.they see a growing market for printers34. What would be the best title for the text?puters and Printers.B.E-mail and the Business World.C.Internet Revolution and Environment.D.Modern Technology and New Markets.BYour friend might be in Australia or maybe just down the road, but they are all just a few clicks away. Life has changed for millions of teenagers across the world who now make friends online. Whether you use chat room, QQ, MSN or ICQ, you are part of virtual community.AP0i3QldwP“I rarely talk with my parents or grandparents, but I talk a lot with my old friends on QQ,” said Fox’s Shadow, the online nickname used by a Senior 2 girl in China. “Eight percent of my classmates use QQ afterschool.”AP0i3QldwPQQ is the biggest messaging service in China. A record 4 million people use it one Saturday night in October, according to Tencent, the company which developedQQ.AP0i3QldwPAnd Fox’s Shadow might well have been one of them.“I log in on Friday nights, and Saturdays or Sundays when I feel bored. I usually spend about 10 hours chattingonline every week,” she said. “But I rarely talk with strangers, especially boys or men.”AP0i3QldwPEven though she likes chatting, she is careful about making friends with strangers online. “You don’t know who you’re talking to. You should always be careful about who you trust online.”AP0i3QldwPMany people would like to meet offline when they feel they have got to know someone very well. Fox’s Shadow once met one of her online friends face to face. It was a girl who was a comic fan like herself and they went to a comic show together.AP0i3QldwPHowever, not all teenagers have been so fortunate. At the beginning of this year, a 17-year-old girl in Liaoning Province was raped after meeting a friend she had found on QQ.AP0i3QldwPA 16-year-old Beijing boy, known online as Bart Simon, dislikes QQ users. “I used to chat on QQ, but I found that most people were talking nonsense.” he said. Now he chats online in English, using MSN. “I only chat online becauseI’ve got friends in Japan, the US and Singapore,” he said, “I want to learn more about foreign cultures.” But he spends little time chatting as he sees it as a waste oftime and money.AP0i3QldwP“If you are really addicted to it sometimes you just can’t concentrate in class,” he said. “And the friendsin your real life are always more important than those so-called friends you meet online.”AP0i3QldwP35. How many messaging services have been mentioned in the passage?AP0i3QldwPA. 2B. 3C. 4D. 536.What’s the meaning of the phrase “log in” in thefourth paragraph?AP0i3QldwPA. Take off.B. Get online.C. Set out.D. Set up.37.What is the best title of the passage?A. Chat Online.B. Caught in the Web.C. Do You Know Messaging Service?D. QQ, MSN, and ICQ.反馈检测一．请指出并改正下列句子中的错误。

人教版高中英语必修二unit3Computers

way to help him keep track3 of things he couldn’t remember.He
invented a software4 program that allowed him to create a document
that had links to other documents.He continued to develop his idea
万维网的出现彻底改变了世界，创造了大量的财富并从根本上改变了人们的生活方式。而它的创始人英国计算机科学家蒂姆·伯纳斯·李对于自己这一成果的现状并不满意。一起去了解一下这位“万维网之父”吧！
Most people have never heard of Tim Berners-Lee.He is not nearly as rich or famous as Marc Andreessen，who is the founder of Netscape，or Bill Gates，whose name has become a well-known word.
识点 reality n．真实；事实；现实totally adv.完全地；整个地
目单 application n．应用；用途；申请network n．网络；网状物
标词 mobile adj.可移动的；机动的finance n．金融；财经
explore vt.&vi.探索；探测；探究anyhow adv.(也作anyway)
知重点识句型目标
易错难点语法
Computers
so...that...如此……以至于……
from...on从……时起
deal with处理；安排；对付as a result结果

高中英语必修2《Unit 3 Computers》

新人教版高中英语必修2《Unit 3 Computers》精品教案Language learning & usingLearning goals1. Master the usages of key words & phrases.2. Learn to use them.3. Develop the spirit of teamwork.Important pointsas a result, with the help of, in a way, deal with, so…that…Teaching proceduresⅠ.Revison1). Match the words with the correct meanings.1. network A. to work out the anwer to a problem2 . simplify B. the practical use of sth ,especially a theory ,or a discovery3. solve C. completely4. explore D. anyway5. totally E. to make things easier6. anyhow F. to travel around an area to find out sth about it7. goal G. connected computer system8. application H. sth that you hope to achieve2).Fill in the blanks according to the text.In 1642, the computer began as a ①(计算) machine,which could ②（简化）difficult sums. It could think ③（合逻辑地）. From 1936 on, the computer could be made to ④s any difficult mathematical problom.⑤time went by, ⑥(技术) revolution made the computer change a lot. The memory of computers developed so much ⑦computers could deal with many probloms. Nowadays computers have been put into space to ⑧e the space. Anyhow, the computer’s ⑨g is to provide ⑩（人类）with happiness.nguage learning & using1. personal adj.【原句再现】First as a PC（personal computer）and then as a laptop, I have been used in offices and homes since the 1970s.观察探究①This novel is written from personal experience.②Those are my personal letters.You have no right to read them.③The host gives us a warm personal welcome.归纳：personal adj.①____________ ②____________ ③____________personally adv.观察探究①Personally, I am against his plan.②The host welcomed his guests personally.归纳：personally ①____________ ②____________2. as a result【原句再现】As a result I totally changed my shape.观察探究①It doesn't often rain in summer. As a result,we have to water the garden.②As a result of the accident, he became lame(跛).as a result意思是_______，只能单独用；as a result of= ___ _ __, 意思是_______ 即学活用A. 用as a result或as a result of 填空。

【精选】人教版高中英语必修二课件：Unit 3 Computers —— Using Language

Lead-in导
• What can an android do in our life?
For adventure For rescure
For war
For doorkeepingFor keeping
For cleaning
fire-fighter
waiter
singer/ hostess
2. [课文原句] Then she prepares reliable moves to use
if a new situation arises.
【归纳拓展】arise vi. _发__生__；___出__现________;
过去式__a__r_o_s_e________; 过去分词 ______a__r_is_e__n arise from/ out o由f _…__…__._而__引__起__\_产___生__；从……中产生
(5) I disagreed to the result of theFmatch.
(6) I can make any move in the game just likeTa
human.
F
Language Points 议展评
Phrases
• 1. ___w__i_n__s_e__c_o__n__d__p__la__c_e___获第二名；
Fast reading—思
• 1) Go through the passage quickly and fill the file for Andy.
• Name: Andy
• Appearance: ____l_o__o_k__s__l_ik__e__a__human
• Size: as ______________________

人教版高中英语Module 2 Unit 3 Computers Using LanguageⅡ

Read for detailed information: scan the text and find out the detailed informatiom.
Read for summary: read the text and do the summary of the whole text.
Part 6 Teaching Procedures
Step 1 Leading in(3m) Step 2 Reading (20m) Step 3 Free talk (8m) Step 4 Writing (8m) Step 5 Conclusion (1m) Step 6 Homework
Homework
Retell the text according to the following clues and then write down your retelling.
►Discussion ►Communicative method
►Team work ► Communication
Part Five Analysis of students
►Students in senior one ►Not good at English Speaking,Writing. ►Need inspiration in class.
Step 6 Homework
Homework is always important and necessary for students to check what they have mastered and for teachers to check whether students have achieved the teaching aims.

人教新课标高中英语必修二Unit 3 Computers教案(1)

Unit 3 ComputersI 教学内容分析本单元的中心话题是“计算机”。

Warming up部分用图片呈现了计算机发展的历史，让学生通过看图讨论的方式了解计算机的发展和演变过程。

Reading部分编者采用了拟人化的手法向读者介绍了计算机的发展历程。

Comprehending部分包括三个练习，分别从事实层面、分析层面和拓展层面考察学生对文章的理解和运用情况。

Learning about language部分的活动突出了形容词和副词用法的区别，并扣本单元的语法点（现在完成时的被动语态）。

Using language部分的听力材料中谈论的是信息技术的几种形态或载体（包括收音机、书籍、电视和电脑；在读说活动中，通过智能机器人参加足球赛的经历向读者介绍了计算机运用的另外一个例子。

Learning Tip部分鼓励学生利用图书馆，网络等课外资源学习英语，有利于学生使用资源策略。

Reading for Fun 部分是一首活泼风趣的小诗，以拟人的方法让机器人自述了心声：尽管日夜忙碌，为人服务，但它相信自己和真实的人类没什么两样。

II．教学重点和难点1．教学重点(1) 本单元的生词和短语；(2)通过学习本单元，使学生了解计算机的发展历程，及其在当今社会的广泛运用；(3)鼓励学生用英语表达自己的观点，进行简单的推理和做出决定。

2．教学难点(1) 教会学生通过时间的先后顺序来表达一件事；(2) 使学生了和掌握现在完成时的被动语态的用法；(3) 指导学生按类别归纳整理词汇，让学生学会有效地记忆词汇的方法；(4) 引导学生发现本单元重点语言结构，让学生自己发现并感悟相关的语言规律，在学习过程中培养语感。

III．教学计划本单元分六课时：第一课时：Warming Up, Pre-reading, Reading第二课时：Language points第三课时：Learning about language第五课时：Speaking, Reading, WritingIV．教学步骤：Period 1 Warming Up, Pre-reading, ReadingTeaching Goals:1. To know something about computers.2. To learn and talk about computers.Teaching Procedures:Step 1. Leading-inPurpose: To activate the Ss and arouse them to talk about the importance of computers in modern society.Ask Ss whether they have a computer or not and what they use it for. Let them talk as much as possible.Step 2. Warming UpPurpose: To get Ss to think about the differe nt ways computers can be made.Pair workGet Ss to look at the following pictures, and then ask them to answer the questions.A huge computer A PCA notebook computer A calculatorAn abacus1. What are they?2. What do they have in common?3. What is a computer?Suggested Answers:1. a huge computer, a personal computer, a notebook computer, a calculator, an abacus2.(1) to be used to calculate;(2) operate by human beings;(3) they are all artificial;(4) show figures in a certain way.3. A computer is a machine which stores knowledge in its memory and does calculations onthat knowledge. This knowledge is stored in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak; these computers can be used for voice mail.A computer is now almost always an electronic device. It usually contains materials whichare toxic; these materials will become toxic waste when disposed of. When a new computer is purchased in some places, laws require that the cost of its waste management must also be paid for. This is called product stewardship.Step 3. Pre-readingPurpose: To activate Ss’ interest about computers.Group workAsk Ss the following questions and encourage them to say more.1.How have computers changed our lives ?2.What do you know about computers ?Suggested Answers:1. They’re a much more useful and humane tool than the phone , and with corporate America behind them the networks will be everywhere--- changing our lives more than any technology since the automobile.2. A multi-function electronic device that can execute instructions to perform a task.A device that accepts information, processes it, and supplies an output. A computer usually contains memory, a control unit, arithmetic and logical units, and a means for input and output.A programmable hardware component that is controlled by internally stored programs and that can perform substantial computations (including arithmetic and logic operations) without human intervention. A computer typically consists of one or more processing units, memory units, and associated peripheral input and output devices.Step 4. Reading1. SkimmingPurpose: 1. To get a brief understanding of the text.2. To train the students’ listening ability.First, let Ss skim the text and then listen to the recording of the text. Pay attention to the pauses and pronunciation.2. ScanningPurpose: To get Ss to have some details in the text.Now we are to read the text again and underline all the expressions in the text. Writethem down in your notebook.3. Further ReadingPurpose: To get Ss to get more details about the text.Read the text again and find the information to complete the table, which describes thedevelopment of computer.1642: ___________________________________________________1822: The Analytical Machine was made by Charles Babbage.____: ___________________________________________________1940s: ________________________________________________________: The first family of computers was connected to each other.1970s: ___________________________________________________Now: ___________________________________________________Step 5. RetellPurpose: To have a deep understanding of the text.Ask Ss to use the chart above to retell the development of the computer.One possible version:I, a computer, was a calculating machine in 1642 in France. Then I was built as an Analytical Machine in 1822, which was a technological revolution. I became a “universal machine” in 1936 to solve any mathematical problem. I was not very big at first then I became huge, the size of a large room before I was made smaller and smaller.Getting new transistors, later very small chips I changed my shape. I was connected with other computers and turned out to part of a network in the early 1960s. In 1970s I was brought into people’s homes, and came the Internet.Step 6. Homework1. Write a short passage about the development of computers.2. Finish Ex1 (P19), Ex2 (P20).Period 2 Language pointsStep 1 Word studyGroup workDivide Ss into four groups and ask them to discuss the following words.1. common（1）most widely known; ordinary:Eg He is a common sailor.（2）have nothing/little/something/ a lot in commonEg At first, I think we only had one thing in common, but suddenly I felt we had a lotin common.Eg The two brothers had everything in common in their manners, but the two sisters have little in common.Eg They have nothing in common with one another.2. analytical分析的Eg The scientist analyzed the milk and found it contained too much water.3.technology 科技；技术Eg With the development of technology, we will cure AIDS sooner or later.4.calculate(v.)1)to use numbers to find out a total amount, distance, etc. 计算；核算We haven’t really calculated the cost of the vacation yet.2)to guess sth by using all the information available 推测，估计It is impossible to calculate what influence he had on her life.5.As time went by, I was made smaller.随着时间的推移，我被弄得越来越小。

人教版高中英语必修二unit3_computers

6 medical operations
7 space rockets
8 providing a life of high
quality
Discussion
Brainstorm a list of things that you, your school and your family use computers for. Think about what you would have to do if you could not use computers any more.
communications finance
Topic sentence
Paragraph 1
Over time I have been changed quite a lot.
Supporting 1 calculating machine
details
2 analytical machine
3 universal machine
calculator
I am very big. Scientists use me to solve some mathematical problems. Do you know who I am?
huge computer
I’m a machine that works automatically. I can do a wide variety of tasks, especially suitable for doing jobs too boring, difficult, or dangerous for human beings. Do you know who I am?
Para 1:

(人教版)高中英语必修二学案：Unit 3 Using Language (含答案)

Using LanguageⅠ．重点单词1．signal v i．& v t．发信号；n．信号2．type n．类型；v t．& v i．打字3．coach n．教练4．arise v i．出现；发生rise v i．上升；升起raise v t．升起；提高；种植；饲养5．electronic adj．电子的electricity n．电；电学；电流6．appearance n．外观；外貌；出现appear v i．出现7．character n．性格；特点8．mop n．拖把；v t．用拖把拖；擦9．niece n．侄女；甥女Ⅱ．核心短语1．signal to sb向某人发信号2．in a way在某种程度上3．make up编造；构成；化妆；弥补4．with the help of在……的帮助下5．deal with处理；安排；对付6．watch over看守；监视Ⅲ．经典句式1．She programs us with all the possible moves she has seen while watching human games．她把观看人类比赛时所看到的一切可能的动作编入我们的程序。

2．Whenever she comes，I have to look after her，and sometimes help her with her homework．无论她什么时候来我都不得不照顾她，有时候帮她做家庭作业。

阅读清障①android/'ændr I d/n．机器人②get together聚集，召集③striker n．前锋④signal/'s Iɡnəl/v i．& v t．发信号n．信号signal(to)sb to do sth示意某人做某事⑤teammate/'ti mme I t/n．同伴，伙伴⑥shot n．击球；射门※此处为when引导的时间状语从句。