高一英语必修2 Unit 3 Computers学案含答案

1、.Unit3 Module 2 ComputersPeriod 1 Reading: Who Am I ?Class： Name： Group： No： Learning Objectives：1. Learn the useful new words and expressions in the lesson.2. Read the passage and learn about the development of computer.Learning Key Points：1. Reading skills: scanning and skimming2. Asking-and-answe

2、ring activity to check the Ss understanding of the text. Individual, pair or group work to finish each task.Learning Difficult Points：Develop reading ability.I. 【Pre-class homework】 自主探究A. Complete the table below, describing the development of computer.In 1642In 1822The analytical machine was made

3、by Charles Babbage.1940sThe first family of computers was connected to each other.In 1970sNowB.T or F statements 1. Charles Babbage built an analytical machine 200 years ago.2. Alan Turing, the real father of the computer , wrote a book about how computers worked in 1936.3.Since my birth I have been

4、 built to take the place of human race.4.After I got my new transistors in the 1960s, I became smaller but cleverer and quicker.II. 【While-class】Step1. Lead-in Step2. Group discussion 展示点评 Ss discuss their pre-class homework in groupStep3 Consolidation: Reading comprehension A. 阅读理解稳固达标 1. From the

5、passage “ I “ refers to _A. a son of Alan Turing.B. a machine which is simple- minded. C. a “ universal machine which can solve any mathematical problem.D. a person who built an analytical Machine.2.What does “others in Line 24 refer to? A. other people B. other families C. other networks D. other c

6、omputers 3. Which of the following is NOT the application of the computer? A. have been put into robots to help workers in factory. B. have been used to help medical operations in hospital. C. have been put into human s brain to help making decisions. D. have been put into rockets to help explore th

7、e universe.4. What can you infer from the text?A. The computer has artificial intelligence.B. The computer changes a lot over the years.C. The computer can do more things for the human race in the future.D. The computer can control people in the future.B语法填空 练习拓展Over time I have been changed a lot.

8、I could 1._ simple difficult sums when I began 2_ a calculating machine. After I was programmed by an operator, I could “think logically and produce an answer quicker 3_ any person. At that time it 4_ consider a 5_ technology revolution. In 1936, I could solve difficult problems as a 6_ universe mac

9、hine. From then 7_, my memory has developed so much 8_ I never forget anything I have been told. Since the 1970s, many new applications have been found for me. For example, I have been sent to explore the Moon. 9._ , my goal is 10_ provide humans with a life of high quality.Step4PresentationStep5Sum

10、mary 总结升华III.【Post-class】Self- reflectionI enjoyed learning aboutI found these words useful:I found these expressions useful: I have learned aboutSome examples: Suggested answers:.课前预习A: 1642: The computer began as a calculating machine. 1936: The computer grew rapidly both in size and in brainpower

11、s. 1940s:The computer had grown as large as a room. 1960s: The first family of computers was connected to each other. 1970s:Computers were used in offices and homes. Now: Computers connect people all over the world together.B: FFFTII.课堂检测：A:1. C 2 D 3 C 4 CB:1. simplify 2. as 3. than 4. was consider

12、ed 5. technological 6. universal 7. on 8. that 9. Anyhow 10. to providePeriod 2 Language focus in Reading 1Class： Name： Group： No： Learning Objectives：1. Learn and grasp the important useful new words and expressions.2. Learn the important useful sentences and patterns.3. Make sentences after the us

13、eful expressions.Learning Key Points：Enable Ss to grasp the usages of such important new words and expressions.Learning Difficult Points：Get Ss to understand some difficult and long sentences.Learning Procedures：I.【Pre-class homework】 A. Make sentences using the following words and phrases:1. solve

14、2. anyhow 3. explore 4. as a result5. sothat . 6. fromonB. 句子仿写1. From then on, I grew rapidly both in size and in brainpower.仿写：他是如此地被那个故事所感动以致于从那时起他工作得努力多了。_2. By the 1940s I had grown as large as a room. 仿写：到去年年底为止，他已经搜集了1000多张外国邮票。_3. As time went by, I was made smaller .仿写：随着时间的流逝，他变得越来越老了。_4.

15、But I was always so lonely standing there by myself.仿写：我们跟着陈先生走进教室。_5. After I was programmed by an operator who used cards with holes, I could “think logically and produce an answer quicker than any person.句式分析 此句为复合句，after引导_从句，who引导_从句英译汉：_6. Over time my memory has developed so much that, like a

16、n elephant, I never forget anything I have been told.句式分析 此句为复合句，sothat 引导_，I have been told 为_从句， 修饰anything， 省略了关系代词_ _英译汉：_III. 【While-class】Step1 Discussion Ss discuss their pre-class homework in groupStep2 PresentationStep3 Consolidation: Exercises on page4 Step4 Summary III.【Post-class】Self- r

17、eflectionI enjoyed learning aboutI found these words useful:I found these expressions useful: I have learned aboutSome examples: Keys:句子仿写1. He was so moved by the story that he worked much harder from then on.2. By the end of last year, he had collected more than 1000 foreign stamps.3. As time goes

18、 by, he becomes older and older.4. We came in the classroom, following Mr.Chen.5. 时间状语从句 定语在操作员用穿孔卡为我设计程序之后，我可以进展逻辑“考虑，并且可以比任何人更快地算出答案。6. 结果状语从句 定语 随着时间的推移，我的记忆才能开展得如此之快，就像一头大象一样，我从来不会忘记告诉我的任何事情Period 3 Grammar: The Present Perfect Passive VoiceClass： Name： Group： No： Learning Objectives： Master the

19、 usage of Present Perfect Passive VoiceLearning Key Points：Learn how to use the Present Perfect Passive Voice correctly.Learning Difficult Points：How to use the Present Perfect Passive Voice in a certain language situation correctlyLearning Procedures：I.【Pre-class homework】 自主探究 A.如今完成时的被动语态的构成:肯定式例

20、句：否认式例句：一般疑问句例句：特殊疑问句例句：B. 如今完成时的被动语态的一般用法。如今完成时被动语态强调_的动作对_造成的影响或结果，常与_,_,_, _,_等副词连用例句：表示被动的动作或状态开场于_并持续到_，还可能继续下去，常与_或_引导的时间状语连用。 例句：由_, _,_, _,_,_,_,_等瞬间动词词构成的如今完成时被动语态不能与_或表示一段时间的状语连用，而要改成相应的_性动词例句:C. Choose the best answer.1. Both my brother work at the power station that _ in my hometown

21、. A. has set up B. has been set up C. was set up D. is set up2. -_ the sports meet will be put off. A. Ive been told B. Ive told C. Im told D. I told3. All the preparation for the task _, and were ready to start. A. completed B. complete C. had been completed D. have been done4. - How long _ at

22、 this job? - Since 1990. A. were you employed B. have you been employed C. had you been employed D. will you be employed5. When and where to go for the on-salary holiday _ yet. A. are not decided B. have not been decided C. is not being decided D. has not been decided6. Betty_ injured since las

23、t Saturday. A. has been B. was C. is D. has7. That book _into at least 20 foreign languages.A. has said to be translatedB. has been said to have translatedC. is said that it had been translatedD. is said to have been translated8. Hi, Tom, you look tired. - Of course. I _ the living room all day. A.

24、had painted B. painted C. have been painted D. have been painting9. -Did you move into the new house? - No. The rooms _ yet. A. were being painted B. are painting C. have not painted D. have not been painted 10. Great changes_ in my hometown and a lot of factories _. A. have been taken place; are be

25、ing set up B. have taken place; have been set up C. are taken place; had been set up D. took place; will set up 11. Its said that this book_ into Chinese. A. had translated B. has translated C. was translated D. has been translated 12. You cant move in .The house _. A. is painting B. is being painte

26、d C. has painted D. has been painted 13. Have you ever_ to the exhibition which _for three weeks? A. gone; has been shown B. visited; shown C. been; has been on show D. went; lasted14. Do you like the material? Yes, it _very soft. A. is feeling B. felt C. feels D. is felt 15.The bridge which _ last

27、year _ really beautiful. A. was built; looks B. was building; looks C. was built; is looked D. was building; is lookedII.【While-class】Step1 Discussion 展示点评Ss discuss their pre-class homework in groupsStep2 Consolidation范例教学A. Change the following sentences into the present perfect passive voice. Put

28、 the verbs into the correct form.1.We have found many problems with our new computer.2. They have built a PC the way we wanted.3. They have just joined our computer to the Internet.4. We have used the computer every day since we bought it.5. We have written a lot of e-mails on the computer in the pa

29、st year.B. Correct mistakes：以下各句均有1处错误，请在错误处画横线并改正。1.A present was given him by his mother.2.The slaves have been made work hard.3.The house needs repair.4.The accident which was happened yesterday surprised me.5.By the end of last year, the office building has been built .6.The new bridge over the

30、Yellow River was just been completed.7.The computer has used every day since we bought it.8.A lot of e-mails had been written on the computer in the past 5 years.c.语法填空稳固达标 A: Look! What 1._buildover there? B: It is said that they are building a shopping mall, WAL -MARTSUPPER CENTER. A: Really? That

31、s great! It will be convenient for us to buy things when it is open. B: Yeah. But I 2._ tellthat it3._ finish until November. A: I see. 4_ it_ completeon time? There is only one month left. B: I guess it can/ could be. It5._ report that most of the work 6._do . What 7._dois just some finishing touch

32、. Step3 PresentationSs present their group job. 1Ss write down their answers on the blackboard and give the explanation in class. 2Teacher and Ss comment.Step4 Summary总结提升 III.【Post-class】Self- reflectionI enjoyed learning aboutI found these words useful:I found these expressions useful: I have lear

33、ned aboutSome examples: Keys:. 前置性作业A.如今完成时的被动语态的构成:肯定式Has/have been +done例句：否认式Has /have not been +done例句：一般疑问句Has /Have been done.?例句：特殊疑问句疑问词+has/ have been done?例句：如今完成时的被动语态的一般用法。如今完成时被动语态强调_过去_的动作对_如今_造成的影响或结果，常与_already_, yet_, just_, _never_, recently_等副词连用例句：表示被动的动作或状态开场于_过去_并持续到_如今_，还可能继续下

34、去，常与_for_或since引导的时间状语连用 例句：由_finish, buy_ ,start, begin ,return ,borrow ,_join ,open_等瞬间动词构成的如今完成时被动语态不能与_how long_或表示一段时间的状语连用，而要改成相应的_延续_性动词例句:1-5 BADBD 6-10 ADDDB 11-15 DBCCAII.课堂检测：A.1.Many problems have been found with our new computer by us.2.A PC has been built the way we wanted by them.3.Ou

35、r computer has been joined to the Internet by them.4.The computer has been used every day since we bought it.5.A lot of e-mails have been written on the computer in the past year.B. Correct mistakes：以下各句均有1处错误，请在错误处画横线并改正。1.A present was given him by his mother. to2.The slaves have been made work ha

36、rd. to3.The house needs repair. repairing4.The accident which was happened yesterday surprised me.5.By the end of last year, the office building has been built . had6.The new bridge over the Yellow River was just been completed. has 7. The computer has used every day since we bought it. been8.A lot

37、of e-mails had been written on the computer in the past 5 years. haveC.语法填空1.is being built 2. was told 3.wont be finished 4. Can/ Could; be completed 5.is reported6.has been done 7to be done Period 4 WritingClass： Name： Group： No： Learning Objectives：Learn to write an essay on expressing personal p

38、oint of viewLearning Key Points：Learn to master the words and expressions to show the relevant opinionsLearning Difficult Points：Write a passage using the useful expression from this Unit .Learning Procedures：I.【Pre-class homework】 I. 前置性作业A. Translate the following words and phrases.1.对造成很大的危害2.大大地

39、影响了3.毫无疑问4.在我看来，手机确实在我们的生活中扮演重要角色。5.计算机的诞生对人类进步产生了重大的影响。B. Read the following passage and underline some useful expressions . Ive fallen in love with a new computer game and Im so interested in it that I spend much of my time on it. I often play it till late at night and sometimes I even stay up. Wh

40、ats more, it often comes to my mind in class and makes me pay no attention to what the teacher says. I know that if this continues, it will do great harm to my health and will have a bad influence on my studies. I have no idea how to give it up and I hope you can give me some advice.II.【While-class】Step1 Group discussion Step2 ConsolidationWrite a short passage according to the following information. 100 words 请以“ Computer Games and Our Health 为题写一篇100词左右的英语短文。提示：1. 说明玩电脑游戏对安