2022年高一人教课标必修2unit3-computers全单元的教案 .pdf

《2022年高一人教课标必修2unit3-computers全单元的教案 .pdf》由会员分享，可在线阅读，更多相关《2022年高一人教课标必修2unit3-computers全单元的教案 .pdf（18页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、1 Period 1 Reading The General Idea of This Period：This period includes Warming up，Reading and Comprehending of Unit 3.It introduces the history and development of this period the students will learn more about they can learn some reading strategies such as skimming and scanning. Teaching Aims ：1.Tr

2、ain the students reading ability. 2.Learn some useful words and expressions. 3.Learn more about computers. 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.How to help the

3、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 practice to

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

5、.Introduce the topic of computers Show the five pictures an abacus，a huge computer，a calculator，a PC，a notebook computerand get the students name them in this task ，st udents can have a general idea about what they are going to ，students are expected to have a discussion about what they have in comm

6、on while looking at they are required to use the given expressions in their discussion to express their ideas. T：B oys and girls ，today I am going to introduce some machines to let s see whether you can name them in English correctly ，and talk about work together with your partners and try to find o

7、ut what they have in common. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 18 页2 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 computer is built to solve some mathematical pro，in my opinion

8、，it is too big. S3：A calculator is a new calculating machine which can solve a large number mathematical I think it is very convenient to carry and use ， so we ofte n use it. S4：A PC is a personal computer ，which can solve all kinds of problems and is widely used in offices ，schools，shops，at homes，.

9、 S5：A notebook computer is a kind of useful computer which can be taken conveniently like a I think it is too expensive. T：Quite seems that you are all quite familiar with these can you tell what they have in common?Any volunteers? S6：Let me think they all calculate can deal with some maths problems

10、. S7：I believe that they are our good their help we can finish our work quickly. S8：The 21th century is the century of information middle school students，we should try to learn how to use computers. T：Well，your opinions are all ，these machines all can calculate s more，from the abacus to the notebook

11、 computer，there is a long now computers have already changed our lives do you know more about computers and can you say something about how computers have changed our lives. Step 2 Pre-reading Show the questions on the screen. T：Now ，please have a discussion first ，and then I ll ask some students to

12、 report your work. After a few minutes. T：Now ，who would like to answer the first question?V oluntee r! S9：I ll have a know that computers have developed from large have been made smaller and smaller，but work faster and really can t imagine what they will be like and whether they can take the place

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

14、s widely in our study，in our are using the computer to teach us English，aren t you? S11：In my opinion ，in the modern society ，using the computers means grasping a tool of 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 18 页3 controlling the may communicate with each other from a very long short

15、， we can not live freely without them. T：I agree with computers are becoming more and more important in our learning more about computers is also important，isn t it?OK ，let s come to the reading passage “ Who am I”. Step 3 Reading Task 1.Skim the passage for the general idea. T：Boys and girls ，you w

16、ill be given two minutes to skim the passage and try to find out who “I” am and get the general idea of this pa ssage. After two minutes. T：Time is 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 passage is mainly about the hi

17、story and development of computers. S13：The passage is also about the relationship of computers and humans. Task 2.Scan for the details. T：Boys and girls ，you will be given two more minutes to scan the passage and try to find out the answers to the following s see who can find out the answers most q

18、uickly 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 the 1970s? T：Have you finished? S14：I was in France as a calculating machine in 1642. In 1822，I was built as an Analytical Machin

19、e 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 that I could share information with others and we could talk to each other. In the 1970s，I was brought into people s homes. T：Yo

20、u are so quick-minded that in such a short time you could find out all the answers to the mind really works like a computer! Step 4 Comprehending Task 3.Fill in the timeline to remember the facts. T：But can you memorize facts like a computer?I am afraid you can let s try to remember the facts in the

21、 passage by filing in the timeline on Page 19，which，I am sure ，will help you remember the facts easily. Suggested answers ：精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 18 页4 Timeline 1642：The computer began a s a calculating machine. 1822：The Analytical Machine was built by Charles Babbage.

22、1936：Alan Turing wrote a book to describe how computers could be made. 1960s：Computers had new transistors and became smaller. 1960s：The first family of computers connected to each other. 1970s：Computers were brought into people s homes.Now ：Computers connect people all over the world together. T：Ha

23、ve you finished?If so，please check your answers m sure all of you have got them you can retell the history of computers easily with the help of the timeline，can t you?Please have a try， boys and girls! Step 5 Homework 1.Recite the key sentences. 2.Prepare for Learning About Language. 3.Try to retell

24、 the text using about 100 words. Step 6 The Design of the Writing on the Blackboard Unit 3 Computers Period 1 The general idea of the text：Questions 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 th

25、e 1970s? Language points：1.in common/have. in common with . 2.in one s opinion 3.deal with 5.“ as” and “with ”6.“ There were times when. ”Step 7 Record after Teaching Period 2 Learning about Language The General Idea of This Period：This period includes revision of the text、 learning about this perio

26、d the students will learn 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

27、 use the present perfect passive voice. Teaching Important Point：精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 18 页5 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. Teac

28、hing Methods ：1.Task-based learning. 2.Cooperative learning. 3.Explanation and practice. Teaching Aids ：1.A tape recorder. 2.A multimedia. Teaching Procedures ：Step 1 Revision T：Boys and girls ，in last period we learned something about the history and development of who would like to retell the text

29、 with the help of these figures? S1：Let me 1642，a calculating machine was used in in 1922 ，the Analytical Machine was made by Charles could follow instructions from cards with 1936，Alan Turing ，the real father of computers，wro te a book to describe how computers could be made to work and built a “ u

30、niversal machine ”to solve any mathematical ， people discovered the computer had “artificial intelligence ”.In the 1960s，the computer got his new size was totally changes at that in the early 1960s ，the first family of computers were connected to each 1970s ，computers have brought into people s comp

31、uters have been used by billions of people to deal with information and communicate with each other around the world by the Internet. T：Congratulations!You ve done very try to do the same to your partners ，OK!Step 2 Words and Expressions Task 1 T： Please turn to Page 19 and finish Discovering Useful

32、 Words and first ， look at Ex.1.From the reading passage， find the words and expressions with the following ， ten students will be asked to give the can?V olunteers! Check the answers together. Task 2. T：Well please look at Ex 2.and complete the passage with some of the words attention to the use an

33、d the forms of those words. The possible answers：ne twork so that went by totally truly simple-minded Anyway deal with Task 3T：Please finish Ex.3.Look at the sentences on Page 20.Tick the right some of you will be asked to read the sentences one by one. The possible answers：1.Life totally changed wh

34、en I went to university.2.I was amazed to find that I won the competition to design a new computer. 3.The competition 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 gave one to each

35、 of my friends. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 18 页6 6.It was so unlucky that you lost your watch at the concert. Task 4 T：Please turn to Page 56 and let s finish Using Words and look at Ex.1.Read through the words in the right-hand box some of them to name each part of a compu

36、ter in the left-hand have known about who can give us the exact names? The possible answers：Task 5 T：Now please look at Ex.2.Complete the sentences with some of the words in the right-hand box can use each word only do the exercise individually， and then check yo ur answers with your last seven stud

37、ents 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 computer. 2.A CD-ROM or disk is the main device that a computer uses to store information. 3.A monitor is used to see your d

38、ata on a computer.4.A keyboard is used to put data into a computer. 5.A CPU is often used to conne ct computers 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 computer can store a large am

39、ount of data. Step 3 GrammarThe Present Perfect Passive Voice T：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 informatio

40、n and communicate 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 pa ssive voice is used in these sentences. Can yo

41、u tell us the structure of the present perfect passive voice? Quite 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 ，let s practise the present perfect passi ve v

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

43、n found with our new computer. 3.A PC has been built the way we wanted. 4.Our computer has just joined to the Inter net. 5.The computer has been used every day since we bought it. 6.A lot of e-mails have been written on the computer in the last year. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6

44、页，共 18 页7 Task 2 T：Class，let s play a game called “ What has been decided ”.Now，get into groups of task is to decide what things have been decided for the turns to make the ideas as interesting and lively as you may finish them according to EXAMPLES on Page 21 ， or finish Ex.3 after class. Then coll

45、ect the ones you all like best and be prepared to tell them to the class. Suggested answers ：S1：It has been decided that those who know of the computer will be asked to say something in class. S2：It has been decided that those who didn t clean the blackboard will be asked to come into office after s

46、chool. Task 3 T：Now ，pleas e turn to Page 57.Finish using ，look at Ex.1 and change the following sentences according to the model ， and pay attention to the passive voice do the exercise individually ，and then check your answers with your that we ll check the answers in class. Step 4 Homework T：OK ，

47、it s almost time for a look at Ex.2 on Page 57.Translate the following sentences into English after words and expressions in brackets may help you. Step 5 The Design of the Writing o n the Blackboard Unit 3 Computers Period 2 The Present Perfect Passive V oice 1.As the years have gone by，I have been

48、 made smaller and smaller. 2.Since then，my family and I have been used by billions of people to deal with information and communicate 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+object”Step

49、6 Record after Teaching Period 3 Extensive Reading The General Idea of This Period：This perio d 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 sto

50、ry of Andy ， an d learn something about the performances 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 di