2022年高中英语优秀教案：Unit3 Computers Period1 Reading优秀教案 新人教版必修2

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1、2022年高中英语优秀教案：Unit3 Computers Period1 Reading优秀教案 新人教版必修2The 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 readi

2、ng strategies such as skimming and scanning.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 thi

3、s passage.Teaching Difficult Points：1.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

4、 from the passage.3.Explanations and 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 Warm

5、ing up1.Greeting the students as usual.2.Introduce the topic of putersShow the five pictures （an abacus，a huge puter，a calculator，a PC，a notebook puter）and 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

6、 expected to have a discussion about what 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 correct

7、ly，and talk about them.Now work together 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.

8、But，in my opinion，it is too big.S3：A calculator 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，scho

9、ols，shops，at homes，etc.now.S5：A notebook 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 thi

10、nk they all calculate something.They can 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.T：Well，you

11、r opinions are all right.Indeed，these machines all can calculate something.Whats more，from the abacus to the notebook puter，there 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.St

12、ep 2 Pre-readingShow the questions on the screen.T：Now，please have a discussion first，and then Ill ask some students to report your 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 b

13、een made smaller and smaller，but work faster and faster.I really cant imagine what they will be like and whether they can take the 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 wil

14、l design your own puters and bee the masters of puters.OK!Next question!S10：I think puters have changed our lives greatly.We use 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

15、 of controlling the world.We may municate with each other from a very long distance.In short，we can not live freely without them.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

16、 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 passage 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 o

17、f the text to the class?Volunteer!S12：Of course，“I” am the puter.The passage is mainly about the history and development of puters.S13：The passage is also about the relationship of puters and humans.Task 2.Scan for the details.T：Boys and girls，you will be given two more minutes to scan the passage a

18、nd try to find out the answers to the following questions.Lets 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 the 1970s?T：Have you finished?S1

19、4：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 that I could share information wi

20、th 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 timeline to remember the facts.T：But

21、 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 machine.1822：The Analytical Mach

22、ine 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 connect people all over the world t

23、ogether.T：Have you finished?If so，please check your answers yourself.Im 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 L

24、anguage.3.Try to retell the text 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 points：1.in mon/have. in mon （with）.2.in ones opinion3.deal with 4.simple-minded5.“as” and “with”6.“There were times when. ”Step 7 Record after Teaching