高一人教课标必修2unit3computers全单元地教案设计

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1、wordPeriod 1 ReadingThe General Idea of This Period：This period includes Warming up，Reading and prehending of Unit 3.It introduces the history and development of puters.From this period the students will learn more about puters.Meanwhile they can learn some reading strategies such as skimming and sc

2、anning.Teaching Aims：1.Train the students reading ability.2.Learn some useful words and expressions.3.Learn more about puters.Teaching Important Points：1.Help the students to understand the passage better.2.Learn how to use some important words and phrases in this passage.Teaching Difficult Points：1

3、.How to help the students improve their reading ability and understand the passage better.2.Learn how to use some important words and phrases in this passage.Teaching Methods：1.Skimming the passage to get the general idea of the text.2.Scanning to get the details from the passage.3.Explanations and

4、practice to help the students master some language points.4.Discussion to help the students understand better what theyve learned and to use the knowledge theyve learned in this period.Teaching Aids：1.A tape recorder.2.A multimedia.Teaching Procedures：Step 1 Warming up1.Greeting the students as usua

5、l.2.Introduce the topic of putersShow the five pictures an abacus，a huge puter，a calculator，a PC，a notebook puterand get the students name them in English.Through this task，students can have a general idea about what they are going to learn.Besides，students are expected to have a discussion about wh

6、at they have in mon while looking at them.And they are required to use the given expressions in their discussion to express their ideas.T：Boys and girls，today I am going to introduce some machines to you.Now lets see whether you can name them in English correctly，and talk about them.Now work togethe

7、r with your partners and try to find out what they have in mon.Two minutes late，five students are asked to talk about them in class.S1：An abacus is an old calculating machine used in China until now.S2：A huge puter is built to solve some mathematical problems.But，in my opinion，it is too big.S3：A cal

8、culator is a new calculating machine which can solve a large number mathematical problems.And I think it is very convenient to carry and use，so we often use it.S4：A PC is a personal puter，which can solve all kinds of problems and is widely used in offices，schools，shops，at homes，etc.now.S5：A notebook

9、 puter is a kind of useful puter which can be taken conveniently like a notebook.But I think it is too expensive.T：Quite good.It seems that you are all quite familiar with these machines.But can you tell what they have in mon?Any volunteers?S6：Let me try.I think they all calculate something.They can

10、 deal with some maths problems.S7：I believe that they are our good friends.With their help we can finish our work quickly.S8：The 21th century is the century of information technology.As middle school students，we should try to learn how to use puters.s more，from the abacus to the notebook puter，there

11、 is a long way.But now puters have already changed our lives greatly.But do you know more about puters and can you say something about how puters have changed our lives.Step 2 Pre-readingShow the questions on the screen.T：Now，please have a discussion first，and then Ill ask some students to report yo

12、ur work.After a few minutes.T：Now，who would like to answer the first question?Volunteer!S9：Ill have a try.I know that puters have developed from large machines.They have been made smaller and smaller，but work faster and faster.I really cant imagine what they will be like and whether they can take th

13、e place of human beings in the future.T：Yes，this is really a big problem.I think you are all interested in puters，you may go on studying puters，and perhaps one day you will design your own puters and bee the masters of puters.OK!Next question!S10：I think puters have changed our lives greatly.We use

14、puters widely in our study，in our work.You are using the puter to teach us English，arent you?S11：In my opinion，in the modern society，using the puters means grasping a tool of controlling the world.We may municate with each other from a very long distance.In short，we can not live freely without them.

15、T：I agree with you.The puters are being more and more important in our lives.But learning more about puters is also important，isnt it?OK，lets e to the reading passage “Who am I.Step 3 ReadingTask 1.Skim the passage for the general idea.T：Boys and girls，you will be given two minutes to skim the passa

16、ge and try to find out who “I am and get the general idea of this passage.After two minutes.T：Time is up.Who would like to tell us who “I am and give the general idea of the text to the class?Volunteer!S12：Of course，“I am the puter.The passage is mainly about the history and development of puters.S1

17、3：The passage is also about the relationship of puters and humans.Task 2.Scan for the details.s see who can find out the answers most quickly and correctly.1.Where were you in 1642?2.What happened to you in 1822?3.What were you called in 1936?4.What did you get in the 1960s?5.What happened to you in

18、 the 1970s?T：Have you finished?S14：I have.I was in France as a calculating machine in 1642.In 1822，I was built as an Analytical Machine by Charles Babbage.I was called “a universal machine in 1936，as I could solve any mathematical problem.In the 1960s，I was given a family connected by a network，so t

19、hat I could share information with others and we could talk to each other.In the 1970s，I was brought into peoples homes.T：You are so quick-minded that in such a short time you could find out all the answers to the questions.Your mind really works like a puter!Step 4 prehendingTask 3.Fill in the time

20、line to remember the facts.T：But can you memorize facts like a puter?I am afraid you can not.But lets try to remember the facts in the passage by filing in the timeline on Page 19，which，I am sure，will help you remember the facts easily.Suggested answers：Timeline1642：The puter began as a calculating

21、machine.1822：The Analytical Machine was built by Charles Babbage.1936：Alan Turing wrote a book to describe how puters could be made.1960s：puters had new transistors and became smaller.1960s：The first family of puters connected to each other.1970s：puters were brought into peoples homes.Now：puters con

22、nect people all over the world together.m sure all of you have got them right.Now you can retell the history of puters easily with the help of the timeline，cant you?Please have a try，boys and girls!Step 5 Homework1.Recite the key sentences.2.Prepare for Learning About Language.3.Try to retell the te

23、xt using about 100 words.Step 6 The Design of the Writing on the BlackboardUnit 3 puters Period 1The general idea of the text：Questions1.Where were you in 1642?2.What happened to you in 1822?3.What were you called in 1936?4.What did you get in the 1960s?5.What happened to you in the 1970s?Language p

24、oints：1.in mon/have. in mon with.2.in ones opinion3.deal with 5.“as and “with6.“There were times when. Step 7 Record after TeachingPeriod 2 Learning about LanguageThe General Idea of This Period：This period includes revision of the text、learning about language.From this period the students will lear

25、n how to use some of the key words and expressions in the text and do some exercises for consolidation，and learn how to use the Present Perfect Passive Voice.Teaching Aims：1.Help the students to learn to use some useful words and expressions.e the students to learn how to use the present perfect pas

26、sive voice.Teaching Important Point：The use of the present perfect passive voice.Teaching Difficult Points：How to master the usages of some important words and phrases and the Present Perfect Passive Voice.Teaching Methods：1.Task-based learning.2.Cooperative learning.3.Explanation and practice.Teach

27、ing Aids：1.A tape recorder.2.A multimedia.Teaching Procedures：Step 1 RevisionT：Boys and girls，in last period we learned something about the history and development of puters.Now who would like to retell the text with the help of these figures?S1：Let me try.In 1642，a calculating machine was used in F

28、rance.Then in 1922，the Analytical Machine was made by Charles Babbage.It could follow instructions from cards with holes.In 1936，Alan Turing，the real father of puters，wrote a book to describe how puters could be made to work and built a “universal machine to solve any mathematical problem.Later，peop

29、le discovered the puter had “artificial intelligence.In the 1960s，the puter got his new transistors.Its size was totally changes at that time.And in the early 1960s，the first family of puters were connected to each other.In 1970s，puters have brought into peoples homes.Now puters have been used by bi

30、llions of people to deal with information and municate with each other around the world by the Internet.T：Congratulations!Youve done very well.Now try to do the same to your partners，OK!Step 2 Words and ExpressionsTask 1T：Please turn to Page 19 and finish Discovering Useful Words and Expressions.At

31、first，look at Ex.1.From the reading passage，find the words and expressions with the following meanings.Now，ten students will be asked to give the words.Who can?Volunteers!Check the answers together.Task 2.T：Well done.Now please look at Ex 2.and plete the passage with some of the words above.Pay atte

32、ntion to the use and the forms of those words.The possible answers：network so that went by totally truly simple-minded Anyway deal withTask 3T：Please finish Ex.3.Look at the sentences on Page 20.Tick the right word.Then some of you will be asked to read the sentences one by one.The possible answers：

33、1.Life totally changed when I went to university.2.I was amazed to find that I won the petition to design a new puter.3.The petition was so exciting that we cheered all evening.4.I was so excited at the thought of meeting Yang Liwei that I could not sleep.5.Robots can be bought so cheaply that I gav

34、e one to each of my friends.6.It was so unlucky that you lost your watch at the concert.Task 4T：Please turn to Page 56 and lets finish Using Words and Expressions.First look at Ex.1.Read through the words in the right-hand box below.Use some of them to name each part of a puter in the left-hand box.

35、We have known about puter.But who can give us the exact names?The possible answers：Task 5T：Now please look at Ex.2.plete the sentences with some of the words in the right-hand box above.You can use each word only once.First do the exercise individually，and then check your answers with your partners.

36、And last seven students will be asked to report their answers to the class.The possible answers：1.A printer is a machine for printing text or pictures onto paper，especially once connected to a puter.2.A CD-ROM or disk is the main device that a puter uses to store information.3.A monitor is used to s

37、ee your data on a puter.4.A keyboard is used to put data into a puter.5.A CPU is often used to connect puters to each other through phone lines.6.Data can also be stored in a floppy disc，which is small and can be carried easily.7.A hard disc is a disc that contains puter data.It can store a large am

38、ount of data.Step 3 GrammarThe Present Perfect Passive VoiceT：Boys and girls，now please pay attention to the following sentences in the text：1.As the years have gone by，I have been made smaller and smaller.2.Since then，my family and I have been used by billions of people to deal with information and

39、 municate with each other around the world by the Internet.3.I have truly been built to serve the human race since my birth.T：What verb tense is used in these sentences?And what verb voice is used in these sentences?Yes，the present perfect passive voice is used in these sentences.Can you tell us the

40、 structure of the present perfect passive voice?Quite right.The structure of the present perfect passive voice is “subjecthave/has been doneobject.The function of present perfect passive voice is indicating verbs the present perfect and the passive voice.OK，lets practise the present perfect passive

41、voice.Task 1T：Please turn to Ps finish Discovering useful structures.At first，look at Ex.2.According to examples，change the following sentences into the present perfect passive voice.Put the verbs into the correct form.Suggested answers：1.A new personal puter has been bought.2.Many problems have bee

42、n found with our new puter.3.A PC has been built the way we wanted.4.Our puter has just joined to the Internet.5.The puter has been used every day since we bought it.6.A lot of s have been written on the puter in the last year.Task 2T：Class，lets play a game called “What has been decided.Now，get into

43、 groups of four.Your task is to decide what things have been decided for the class.Take turns to make the ideas as interesting and lively as you like.You may finish them according to EXAMPLES on Page 21，or finish Ex.3 after class.Then collect the ones you all like best and be prepared to tell them t

44、o the class.Suggested answers：S1：It has been decided that those who know of the puter will be asked to say something in class.S2：It has been decided that those who didnt clean the blackboard will be asked to e into office after school.Task 3T：Now，please turn to Page 57.Finish using structures.First，

45、look at Ex.1 and change the following sentences according to the model，and pay attention to the passive voice form.First do the exercise individually，and then check your answers with your partners.After that well check the answers in class.Step 4 HomeworkT：OK，its almost time for a break.Now look at

46、Ex.2 on Page 57.Translate the following sentences into English after class.The words and expressions in brackets may help you.Step 5 The Design of the Writing on the BlackboardUnit 3 puters Period 2The Present Perfect Passive Voice1.As the years have gone by，I have been made smaller and smaller.2.Si

47、nce then，my family and I have been used by billions of people to deal with information and municate with each other around the world by the Internet.3.I have truly been built to serve the human race since my birth.Structure：“subject+have/has been done+objectStep 6 Record after TeachingPeriod 3 Exten

48、sive ReadingThe General Idea of This Period：This period includes revision of the text，Reading and speaking on Page 22、Reading task on Page 58.In this period the students will be involved in a speaking activity about designing an android after reading the story of Andy，and learn something about the p

49、erformances of a sporting robot of the 22nd century，Hua Fei in 78th Olympics and 79th Olympics，so that the students will not only improve their reading and speaking，but also their creative thinking.Teaching Aims：1.Help the students to learn about the different ways of designing the robots and give t

50、heir opinions to the class.2.Enable the students to discuss to design their own robots.Talk about the different ways of designing the robots.Teaching Important and Difficult Points：How to design their own robots and report their designing to the class.Teaching Methods：1.Task-based learning.2.Coopera

51、tive learning.Teaching Aids：1.A tape recorder.2.A multimedia.Teaching Procedures：Step 1 GreetingsStep 2 Reading 1Weve learned a lot about puters，but can you imagine that puters could be put into androids or robots.Think of the fun you could have!Now lets first read the passage about a robot called A

52、ndywhat it looks like and what it can do on Page 22，and then well have a designing petition to see who will design the best robots.The students read the passage for several minutes.T：A few simple questions for you.What does Andy look like?What can it do?S2：Andy looks like a human.It is designed to p

53、lay football games and can move and think like a human.Andy is really smart.T：I agree with you.Are you eager to design your smart robots?Now in small groups discuss how to design your own androids，draw a picture of your androids and write down your design.You may refer to the following questions：1.W

54、hat would you like it to look like?2.What are some of the things you would like it to do?3.Do you want it to be like a man or a woman or neither?4.How much would it cost?T：And dont forget to use the following expressions in your discussion.I think that In my opinion.What is your reason?I have decide

55、d that.After several minutes.T：Now，Ill check your work.One from each group will show your picture of the android you have designed and tell the class your design.And well see which group has designed the best android.Who would like to try first?S3：Look here.This is the picture of the robot weve desi

56、gned.What does it look like?Yes，it looks like a dog.We all like dogs very much.Every morning it will wake us up so that we will not be late for school.Then it will pany us to school and carry our heavy bags.You know how heavy our bags are!In the evening，after a whole days hard work，it will play beau

57、tiful music to help us relax.Maybe it will cost at least 2000 yuan，but we dont think it is too expensive to have such a good friend.S4：Well，wed like to design our robot in this way.We would like it to look like the famous footballer Beckham who serves as a striker on the football team.It has the mos

58、t advanced program，so it can move and think like Beckham，and of course can shoot good goals like him.We would like it to enter the next Electronic World Cup，and we are sure that it will win the cup!T：Your designs are very unusual and smart.I really want to go on appreciating your designs，but time is

59、 limited.Will you put up your pictures of the robots you have designed with instructions on the back wall，and then decide which group has designed the best androids after parison?Step 3 Reading 2Class，lets e to the Reading Task on Page 58.First read the passage quickly and then fill in the chart of

60、Exercise 1 and keep a record of his performances of the sporting robot of the 22nd century，Hua Fei in 78th Olympics and 79th Olympics.After doing it individually，please check your answers with your partners，and then we will check the answers in class.Suggested answersRECORD CARDHUA FEIAbilityHigh fl

61、ying exercisesPerformance in 78th OlympicsWonderful turns，dives，circles and dancesPrize wonSilver medalPerformance in 79th OlympicsBegan very well but failed through on fault of his ownReason for failureParachute failed to openTreatmentTwo new legs and a new headStep 4 HomeworkT：Its almost time for

62、a break.Now homework for you today.1.pare the designs of the androids of each group and try to decide which one is the best.2.Suppose you have been lucky enough to be allowed to interview Hua Fei in hospital for your school paper.Work out some questions together with your partner，and then interview

63、each other.Step 5 The Design of the Writing on the BlackboardUnit 3 puters Period 3TimeEvents1642182219361960s1960s1970sNowReference for your design of the androids：1.What would you like it to look like?2.What are some of the things you would like it to do? 3.Do you want it to be like a man or a wom

64、an or neither?4.How much would it cost?RECORD CARDHUA FEIAbilityHigh flying exercisesPerformance in 78th OlympicsWonderful turns，dives，circles and dancesPrize wonSilver medalPerformance in 79th OlympicsBegan very well but failed through on fault of his ownReason for failureParachute failed to openTreatmentTwo new legs and a new headStep 6 Record after TeachingPeriod 4 Li