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高一英语必修二 unit3 教案

发布时间:2020-03-02 01:27:10 来源:范文大全 收藏本文 下载本文 手机版

Reading

Teaching goals

1.Target language

a.Important words and expreions

calculator, notebook, common, calculate, analytical, technological,

revolution,

universal,

mathematical, simple, simple-minded, artificial intelligence, anyway, totally, network, truly b.Sentences

1) My real father was Alan Turing, who in 1936 wrote a book to describe how computers could be made to work, and built a \"universal machine\" to solve any mathematical problem.P18 2) As the years have gone by, I have been made smaller and smaller.P18

3) I became small and thin but I got cleverer and cleverer, quicker and quicker.P18 4) And my memory became so large that I couldn\'t believe it! P18 2.Ability goals

Enable the students to grasp the progre of computers.3.Learning ability goals

Enable the students to state the progre in chronology order.

Teaching important points

Try to finish the exercises of Comprehending. Teaching difficult points

Enable the students to learn how to grasp the structure of the text. Teaching methods

a.Listening method.b.Skimming method.c.Task-based method. Teaching aids

A recorder and a computer.

Teaching procedures & ways

Step I Revision

1.Greetings.2.Ask students the spelling and meaning of some important words and phrases in the text.Step II Pre-reading T: Boys and girls, from the last leons Speaking and Listening, we have learnt something about computers.Now, please look at the screen and discu these questions with your partner.Then I\'ll ask some students to report your work.Are you clear? Ss: Yes, sir / madam.Show the slide.1.What do you know about computers? 2.How have computers changed our lives? After a few minutes.T: Now, who\'d like to answer the first question? Volunteer!

S1: Let me try.I think that our computers developed from large machines.They developed quickly and they are very useful....

T: Quite right.A computer contains many small parts.If you are interested in computers, you may

go on studying them in your spare time.Next question!

S2: / think that computers are very useful.They change our lives greatly.We use the computers widely in our study, in our work, even in our games.In the modern society, using the computers means grasping a tool of controlling the world.We may communicate with each other from a very long distance by them.In short, we can not live freely without them.Step III Reading This material is the most important part of this unit.So let the students read it carefully and require the students to understand every sentence and grasp all the language points.T: Boys and girls, do you want to know more about computers? Do you want to know the history of computers? Well, let\'s learn the Reading carefully.Are you clear? Then get the general idea of the Reading in your mind.Are you ready? Ss: Yes, sir / madam.Students read carefully.T: Who would like to give the general idea of the text to the cla? Volunteer! S1: The text is mainly about the history and development of computers.

S2: What\'s more, it is also about the relationship between computers and humans.T: Quite right.Let\'s go on understanding the text.Step IV Explanation During this procedure, teacher will play the tape for students.The students will underline the difficult sentences.After listening to the tape, teacher will explain the text and ask the students to refer to Notes 1-9 on pages 79-80 and learn the words and phrases \"thought, love, enough\".T: We have learned the main idea of the text.Now let\'s read the text carefully and pay special attention to some details.This time we will deal with some difficult language points.Next I\'ll play the tape for you.After listening.T: Now let\'s deal with some language points.Turn to page 18.Let\'s look at the sentences.

1.I know this sounds very simple, but at that time it was a technological revolution! P18 Here \"this\" refers to the thing that \"I followed instructions from cards with holes.Now, we can see, it is a very easy, simple thing.But at that time, exactly in 1822, it was a very big, important thing or a technological revolution.2.My real father was Alan Turing, who in 1936 wrote a book to describe how computers could be made to work, and built a \"universal machine\" to solve any mathematical problem.P18 T: Let\'s analyze the structure of this sentence.\"who ...wrote ...to describe how...and built...problem\" is an attributive clause.In the clause, \"and\" connects two verbs: wrote and built.Step V Comprehending Task1 T: Cla, please go over the story and discu with your partner who you think is the speaker in this story.Who would like to tell me? Volunteer!

S1: / think in this story, the speaker is a computer.

T: Quite right.Now write down three sentences from the story to support your idea.Who can? S2: / began only as a calculating machine in 1642 in France.

S3: Then in 1822 I was built as an Analytical Machine by Charles Babbage.S4: Earlier I was not very big, but then I became huge!

T: Very good, there are some more similar sentences in the text.You may find them out in your spare time.

Task 2 T: Now, please look at the timeline on page 19.Then fill in the blanks with information from the Reading above.

Students will be asked to tell the details to the cla.Now, who would like to give your answer? S5: 7642: A calculating machine was used in France.

S6: 1822: The Analytical Machine was made by Charles Babbage.

S7: 7936: Alan Turing wrote a book to describe how computers could be made to work and built a \"universal machine\" to solve any mathematical problem.S8: 1960s: Computers got new transistors.S9: 1960s: The first family of computers connected to each Other.S10: 1970s: Computers were brought into people\'s homes.

Sll: Now: Computers have been used by billions of people to deal with information and communicate with each other around the world by the Internet.T: Your details are quite right.From the details we can see the timeline of computer history.We must remember it.Are you clear? Step VI Homework 1. Recite the key sentences in the text.2. Prepare for Learning about Language. 3

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