Unit3Computers全单元教案

Unit 3 Computers

I 教学内容分析

本单元的中心话题是“计算机”。

Warming up部分用图片呈现了计算机发展的历史，让学生通过看图讨论的方式了解计算机的发展和演变过程。

Reading部分编者采用了拟人化的手法向读者介绍了计算机的发展历程。

Comprehending部分包括三个练习，分别从事实层面、分析层面和拓展层面考察学生对文章的理解和运用情况。

Learning about language部分的活动突出了形容词和副词用法的区别，并扣本单元的语法点（现在完成时的被动语态）。

Using language部分的听力材料中谈论的是信息技术的几种形态或载体（包括收音机、书籍、电视和电脑；在读说活动中，通过智能机器人参加足球赛的经历向读者介绍了计算机运用的另外一个例子。

Learning Tip部分鼓励学生利用图书馆，网络等课外资源学习英语，有利于学生使用资源策略。

Reading for Fun 部分是一首活泼风趣的小诗，以拟人的方法让机器人自述了心声：尽管日夜忙碌，为人服务，但它相信自己和真实的人类没什么两样。

II．教学重点和难点

1．教学重点

(1) 本单元的生词和短语；

(2)通过学习本单元，使学生了解计算机的发展历程，及其在当今社会的广泛运用；

(3)鼓励学生用英语表达自己的观点，进行简单的推理和做出决定。

2．教学难点

(1) 教会学生通过时间的先后顺序来表达一件事；

(2) 使学生了和掌握现在完成时的被动语态的用法；

(3) 指导学生按类别归纳整理词汇，让学生学会有效地记忆词汇的方法；

(4) 引导学生发现本单元重点语言结构，让学生自己发现并感悟相关的语言规律，在

学习过程中培养语感。

III．教学计划

本单元分六课时：

第一课时：Warming Up, Pre-reading, Reading

第二课时：Language points

第三课时：Learning about language

第五课时：Speaking, Reading, Writing

IV．教学步骤：

Period 1 Warming Up, Pre-reading, Reading

Teaching Goals:

1. To know something about computers.

2. To learn and talk about computers.

Teaching Procedures:

Step 1. Leading-in

Purpose: To activate the Ss and arouse them to talk about the importance of computers in modern society.

Ask Ss whether they have a computer or not and what they use it for. Let them talk as much as possible.

Step 2. Warming Up

Purpose: To get Ss to think about the differe nt ways computers can be made.

Pair work

Get Ss to look at the following pictures, and then ask them to answer the questions.

A huge computer A PC

A notebook computer A calculator

An abacus

1. What are they?

2. What do they have in common?

3. What is a computer?

Suggested Answers:

1. a huge computer, a personal computer, a notebook computer, a calculator, an abacus

2.(1) to be used to calculate;

(2) operate by human beings;

(3) they are all artificial;

(4) show figures in a certain way.

3. A computer is a machine which stores knowledge in its memory and does calculations on

that knowledge. This knowledge is stored in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak; these computers can be used for voice mail.

A computer is now almost always an electronic device. It usually contains materials which

are toxic; these materials will become toxic waste when disposed of. When a new computer is purchased in some places, laws require that the cost of its waste management must also be paid for. This is called product stewardship.

Step 3. Pre-reading

Purpose: To activate Ss’ interest about computers.

Group work

Ask Ss the following questions and encourage them to say more.

1.How have computers changed our lives ?

2.What do you know about computers ?

Suggested Answers:

1. They’re a much more useful and humane tool than the phone , and with corporate America behind them the networks will be everywhere--- changing our lives more than any technology since the automobile.

2. A multi-function electronic device that can execute instructions to perform a task.

A device that accepts information, processes it, and supplies an output. A computer usually contains memory, a control unit, arithmetic and logical units, and a means for input and output.

A programmable hardware component that is controlled by internally stored programs and that can perform substantial computations (including arithmetic and logic operations) without human intervention. A computer typically consists of one or more processing units, memory units, and associated peripheral input and output devices.

Step 4. Reading

1. Skimming

Purpose: 1. To get a brief understanding of the text.

2. To train the students’ listening ability.

First, let Ss skim the text and then listen to the recording of the text. Pay attention to the pauses and pronunciation.

2. Scanning

Purpose: To get Ss to have some details in the text.

Now we are to read the text again and underline all the expressions in the text. Write

them down in your notebook.

3. Further Reading

Purpose: To get Ss to get more details about the text.

Read the text again and find the information to complete the table, which describes the

development of computer.

1642: ___________________________________________________

1822: The Analytical Machine was made by Charles Babbage.

____: ___________________________________________________

1940s: ___________________________________________________

_____: The first family of computers was connected to each other.

1970s: ___________________________________________________

Now: ___________________________________________________

Step 5. Retell

Purpose: To have a deep understanding of the text.

Ask Ss to use the chart above to retell the development of the computer.

One possible version:

I, a computer, was a calculating machine in 1642 in France. Then I was built as an Analytical Machine in 1822, which was a technological revolution. I became a “universal machine” in 1936 to solve any mathematical problem. I was not very big at first then I became huge, the size of a large room before I was made smaller and smaller.

Getting new transistors, later very small chips I changed my shape. I was connected with other computers and turned out to part of a network in the early 1960s. In 1970s I was brought into people’s homes, and came the Internet.

Step 6. Homework

1. Write a short passage about the development of computers.

2. Finish Ex1 (P19), Ex2 (P20).

Period 2 Language points

Step 1 Word study

Group work

Divide Ss into four groups and ask them to discuss the following words.

1. common

（1）most widely known; ordinary:

Eg He is a common sailor.

（2）have nothing/little/something/ a lot in common

Eg At first, I think we only had one thing in common, but suddenly I felt we had a lot

in common.

Eg The two brothers had everything in common in their manners, but the two sisters have little in common.Eg They have nothing in common with one another.

2. analytical分析的

Eg The scientist analyzed the milk and found it contained too much water.

3.technology 科技；技术

Eg With the development of technology, we will cure AIDS sooner or later.

4.calculate(v.)

1)to use numbers to find out a total amount, distance, etc. 计算；核算

We haven’t really calculated the cost of the vacation yet.

2)to guess sth by using all the information available 推测，估计

It is impossible to calculate what influence he had on her life.

5.As time went by, I was made smaller.随着时间的推移，我被弄得越来越小。

go by : to pass 逝去，过去

Things will get easier as time goes by. 随着时间的推移，情况会有所改善。

6.totally:completely 完全地；全部地；整个地

They come from totally different cultures.他们来自完全不同的文化。

7.share with: to have or use sth at the same time as sb else 共用，合用

Mary shares a house with three other students. 玛丽和另外三个学生合住一间房子。Share in 分享，分担

8.explore (v.)

1)to travel to or around an area or a country in order to learn about it 勘察；探索；考察

The city is best explored on foot. 最好是徒步考察这个城市。

2）examine sth completely or carefully in order to find out more about it. 探究，调查研究These ideas will be explored in more detail in Chapter 7.这些想法将在第七章里作更详细地探讨。

9.in a way: to a certain extent 在某种程度上

In a way you are right, but this new textbook is too boring. 从某种程度上说你是对的，但是这本新教材是很枯躁的。

In the way 阻碍，妨碍

Step 2. Homework

Use the words above to make sentences and check them with your partner.

Period 3 Learning about Language

Step 1. Learning about Language

1. Fill the blanks and check the answers altogether.

(1) Snow is _______(常见的) in cold countries.

(2). Can you _______(估计)the cost of this journey?

(3). The _________(分析) of the samples on the murder spot showed some valuable clues

to the police.

(4) I shall go and see him ________(无论如何)

(5) He's some kind of ________(数学)genius.

(6). He is too s________ to work out such a difficult problem.

(7). He asked his father's o________ about his plans.

(8). How are you going to d________ with the letter?

(9). I ________(完全) agree to your plan.

(10). This is a t________ beautiful picture.

2. Change the following sentences with the meaning not changed.

(1) I like a lot of what she likes.→

We have a lot______ ______.

(2) Harry helped me with my English, so I learnt a lot.→

I made great progress in English_______ Harry's ______.

(3) Time passed quickly. Peter grew into a tall young man.→

With the time _______ _______, Peter became a tall young man.

(4) You said it was very special. I don't think so.→

I_______ with what you said.

(5) In my opinion, Mickey is the kind of person we need.→

_________, Mickey is the very man we need.

3.Grammar

Purpose: To get Ss to have knowledge of this grammar point: present perfect passive voice.

(1) Presentation

①Revise the grammar: the present passive voice.

am / is / are + done

②Revise the grammar: the present perfect voice.

Have/has + done

③Explain the grammar: the present perfect passive voice.

——>Have/has been +done

(2) Practice

Purpose: To get Ss to have knowledge of the grammar through exercise.

①Fill the blanks with the correct tense.

A. –The window is dirty.

It ____________ ________ (not clean) for weeks.

B. ---George and Lucy got married last week. Did they have a big wedding?

---No, I __________________ (not invite).

Did they have a big wedding?

. C. ---Have you moved to your new apartment?

---Not yet, it _______________(paint) at the moment.

D. too much. The students have been made __________(not play) computer games

E.

Since then, all different kinds of information ____________________(处理)by

computers.

F. He doesn’t mind the story _____________(编造) in this way.

G. Do you know how many websites there are ________________(连接)? Suggested Answers:

A. hasn’t been cleaned

B. hadn’t been invited

C. is being painted

D. not to play

E. has been dealt with

F. being made up

G. to be connecte

②Translating following sentences into Chinese and pay attention to the present passive

voice.

A. A new personal computer has been bought.

B. Many problems ahs been found with our new computer.

C. A PC has been built the way we wanted.

D. Our computer has just jointed to the Internet.

E. The computer ahs been used every day since we bought it.

F. A lot of e-mails have been written on the computer in the past year.

Step 2. Homework

Finish Ex1 (P21), Ex2 (P21) and Ex3 (P21).

Period 4 Listening

To train Ss to make a summary.

Step 1. Listening (Using Language)

1. Show the fours pictures to Ss and let them talk about them.

TV DVD

BOOKS CD-ROM

2.Listen to the tape

3. Listening task (Workbook P58)

Step 1. Speaking

1. Group work

Get two Ss to be a group and tell each group do as follows. Then let some of the groups present their reports.

You and your partner have been asked to help choose computers for your school. You have looked at several computers. Talk about the special things each computer can do. Make a decision about which kind of computer to buy and explain why. Write a report about your choice. Then read your report to another group as if they are a teacher or the headmaster. Below is a list

2. Individual work

Suppose every student have a chance to get a computer and they can choose any kind of computer. Let them think about the reasons they choose the computer. Then ask them to present their reasons.

Step 2. Reading (Using Language)

Purpose: To train Ss’ reading ability.

1. Listen to the tape and get the main idea of the passage.

2. read the passage carefully and ask Ss to answer the following questions.

(1)What does he act as on the team?

(2)What helped him to move and think?

(3)Why does he think the team who won the first place cheated?

Suggested Answers:

(1)On the team, I’m a striker, so I can run very fast.

(2)My computer chips help me to move and think like a human.

(3)Because they had a new kind of program, which had just been developed before the

competition.

Step 3. Writing

One possible version:

Hello everybody, my name is Liu Yan. I am a 321 model android. I work for the Li family and I look after their library. My job is to store all the books that they borrow from their school or friends in my brain. Of course my brain is as large as a mountain so work like that is no trouble to me. I really eat books just like people eat food.

The Lis have a child who needs me to remember all his school textbooks so I can do his homework for him. He just gives me the information on the subject, what has to be done and the page numbers and I get on with it while he enjoys himself with his friends. Sometimes I don’t

think it is right to do his homework for him—it’s somewhat cheating. However, his parents are very concerned at the pressure of work in school these days. The child has too much homework to do. They like him to go to the key school but they also want him to be able to have hobbies, learn to swim and keep fit! Poor child!

Mr and Mrs Li work very hard too. Mr Li is an architect and designs great tall apartment blocks. Mrs Li is a doctor and has to look after many patients. I remember all the plans for Mr Li’s projects and can tell Mrs Li which drugs are the best to give any particular patient. Mrs Li no longer has to read all those medical journals because I can do it for her. She and her husband have sometime together to enjoy life too.

So they consider me the most important person in the family after themselves. I am always introduced to their friends and play with visiting children. I am the perfect family academic aid and, although I was not cheap to buy, Mr Li says I was worth every yuan!

2. Homework

Now computer games become more and more popular among students. Write an article on this topic to show their views.

One possible version:

Computer Games

There's a famous saying, "Everything has two sides, the ad-vantages and disadvantages. " Computer games are no exception. In its development computer games have brought both advantages and disadvantages.

Now, here's an example: A racecar game—— Need For Speed III is absolutely a fantastic game. Imagine this: You sit in-front of the screen with wheels in your hands and eyes fixed on the screen. You can feel the powerful roaring of the 3600ml engine from Porsche 911 Turbo as you drive up to 290km/h without any real danger. You can also hear the wheels screaming as a sharp turn was being made. And if you have a 3Dfx card you can really feel what is realistic. The road, the raindrops, the snowflakes and other racecars seem as real, which give us a great pleasure and satisfaction. Apart from it, they can train us to respond to things quickly. Moreover, computer games can stimulate our imagination and interest in electronics and computer sciences. On the other hand, computer games also have its disadvantages. First, it is harmful to our eyes and health, which is one of the most serious disadvantages about computer games. And sec-only, we are still middle school students, playing games is not our destination. If we play games too much, we may forget those things that we should do, because we lack the ability to control ourselves. Also, games cost a lot of money, especially for us who do not have a regular income

So, what attitude shall we hold towards computer games? Of course, we can not kill games, nor could we stop them from developing, because they are required by all kinds of people. After

all, playing games is a primitive type of using computer, as many of my classmates do. And I think we should not stick to them, and if you don't have the ability to control yourself, you'd better keep away from it before you really stick to it.

Sample writing 2:

With the development of computer-technology, computers are becoming more and more popular with people all over the world. The frequency of using computer has risen year by year. The advantages taken over by computers can be seen everywhere.

Due to the comprehensive applications of the computer, it has been gradually taking place of human beings in some areas. Such as people can use computers to compose,to purchase gods, and to hold meetings. What's more, computer can greatly enhance people's working efficiency. However, everything has its two aspects. Computer also has some disadvantages. Take some examples. Since computer games now have been more prevalent among students, they almost spend more than 6 hours for entertainment on computer, and not study any more. Next, many people now like to communicate with their friends on line, and they meet less frequent than ever before. As a result, the lack of the language speaking leads to their expression barriers. In short, we should make the best use of its good aspect to get more imperilments.

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Unit 3 Computers Extensive Reading The 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 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 different ways of designing the robots and give their 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.Cooperative learning. Teaching Aids： 1.A tape recorder. 2.A multimedia. Teaching Procedures： Step 1 Greetings Step 2 Reading （1） We’ve learned a lot about computers，but can you imagine that computers could be put into androids or robots.Think of the fun you could have!Now let’s first read the passage about a robot called Andy—what it looks like and what it can do on Page 22，and then we’ll have a designing competition to see who will design the best robots.

【人教版】新目标2019年八年级英语上册Unit10单元教案

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第一课时Section A(1a－2d) Teaching Goals【教学目标】 Key words & phrases： meeting，video，organize，chocolate，go to the party，have a great time，stay at home，take the bus，watch a video，potato chips Key sentences： 1. If you go to the party，you'll have a great time. 2. I think I'll go to the party with Karen and Anna. 3. If we ask people to bring food，they'll just bring potato chips and chocolate because they'll be too lazy to cook. Teaching Key Points【教学重点】 The vocabulary： meeting，organize，have a great time Target language： —I think I'll go with Karen and Anna. —If you do，you'll have a great time. If we have it today，half the class won't come. If we ask people to bring food，they'll just bring potato chips and chocolate because they'll be too lazy to cook. Teaching Difficult Points【教学难点】 1. Future tense with “will”． 2. If－adverbials，conditional adverbials.

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Book3 Unit 1 Festivals around the world I．教学内容分析 本单元的中心话题是“节日”，主要讲述了不同地区不同种类的节日。 Warming Up设计了小组活动，通过图表填写让学生区分中国的传统节日与别国节日的异同，目的在于激活学生已有的节日背景知识，引出主题，为以后几堂课学习热身。 Pre-readin g 通过几个问题,调动学生已有的知识和经验，激发学生想了解更多节日的好奇心，让他们主动参与到主题教学活动中，为下面学习阅读文章作铺垫。 Reading 部分先简要介绍了一下早期各种节日的起源以及存在的原因，然后又分别介绍了几种世界各地的节日，依次的顺序是亡灵节、纪念名人的节日、丰收节、春天的节日等。 Comprehending由四个部分组成。第一、三、四部分通过表格形式，第二部分通过让学生回答问题的方式，鼓励学生积极思考，加深对课文的理解。 Learning about Language 部分主要突出了本单元的语法项目——情态动词的用法。这些情态动词主要有：can，could，may，might，will，would，shall，should，must，can’t 等的用法。 Using Language 中包括了听、说、读、写几个部分的内容。学生可通过对Trinidad Carnival、情人节等一些节日的学习，分析问题，锻炼自己的思维能力。阅读后的习题及讨论不仅帮助学生理解文章的主旨大意，更重要的是让学生寻找解决问题的方法。 Learning Tip主要建议学生搜集各种资料，查询与世界各地节日有关的信息，了解各种节日的来源与内涵。II．教学重点和难点 1. 教学重点 (1) 本单元的生词和短语； (2) 掌握一些情态动词的基本用法； (3) 了解有关节日和民俗，掌握有关词汇。 2. 教学难点 (1) 增进学生对中国节日的理解，了解和感悟外国的节日； (2) 提高学生的社会文化素质，加强跨国文化素质； (3) 培养学生运用资源策略。 本单元分五课时： 第一课时：Warming up, Pre-reading, Reading & Comprehending 第二课时：Learning about Language 第三课时：Listening (Using Language) Speaking (Using Language), Listening (Workbook)& Listening task (Workbook) 第四课时：Reading (Using Language) & Reading task (Workbook) 第五课时：Speaking task (Workbook), Writing (Using Language) & Summing Up IV．教学步骤：

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Unit3 The Computer 合作与讨论 This unit is about computer.Since its invention,computer has been widely used and has brought us great convenience.But computer also causes some problems.Now discuss in groups the following questions： 1.How has computer been developing itself? 2.In what aspects is computer widely used? 3.What bad influence does computer have on our work,study or life? 4.How can we avoid the disadvantages of computer? Unit3 The Computer 学习策划 How can we memorize new words effectively of each unit we are learning?Maybe this is a big problem for each of us,for in our new textbook there are too many new words for us to remember.Some classmates say new words cost them so much time,but still when they use them,they often forget or make mistakes.Don’t worry about it.It’s the same for every English learner.But in doing this,people are different from each other.Some people memorize new words quickly and correctly and can use them freely.First,they work hard at English,and second they may have some effective methods which they learn English with.I think the following might be of some help to you when you learn English. 1.Concentrate on your task while reading English.Don’t be disturned by other things. 2.Divide the new words you are learning into proper groups and put them down.Whenever you have time,such as early in the morning,just before sleep,read and remember them separately. 3.Learn new words by comparing and associating their pronunciations,spelling forms, collocations and styles,such as： advice n.—advise vt. drop in on sb.—drop in at a place enjoy his singing—enjoy him singing（informal） （4）Learn new words by analyzing word roots or affix,for example, comfort vt.—comfortable—uncomfortable discomfort vt.

人教新目标英语八年级上册unit-10全单元教案

人教新目标英语八年级上册 Unit 10 If you go to the party, you’ll have a great time! Section A1 (1a-2d) 一、教学目标： 1. 语言知识目标： 1) 能掌握以下单词：meeting, video, organize, potato chips, chocolate, upset, taxi, advice 能掌握以下句型： ①─I think I’ll go to the party with Karen and Anna. ─If you go to the party, you’ll have a great time! ② ─What will happen if they have the party today? ─Half the class won’t come. 2) 能了解以下语法： 掌握含if条件状语从句的主从复合句的用法。 3) 能用if 引导的条件状语从句作出假设，用will谈论结果。 2. 情感态度价值观目标： 学习因果关系的表达和做出合理的建议。谈论自己的感受，同时使学生在英语交流中注意并观察他人的情感。由于本单元话题贴近学生生活，符合他们热爱休闲的心理，可以提高他们学习英语的兴趣，积极参与英语实践活动。 二、教学重难点 1. 教学重点、难点： （1）重点句型：—I think I’m going to go to the party with Karen and Ann. —If you do, you’ll have a great time. （2）正确使用if 引导的条件状语从句 三、教学过程 Ⅰ. Lead-in Ask some questions. T: If you are happy, what will you do? S: If I am happy, I will smile. T: If you become sad, what will you do?

unit3 Computers 教案

Unit 3 Computers Reading Teaching procedures： 1.Listening and reading to the recording of the text WHO AM I? Turn to page 18 and listen and read to the recording of the text. Pay attention to the pauses, pronunciation and intonation of the native reader. 2.Reading aloud and underlining expressions Now we are to read the text once again and underline all the expressions in the text. Put them down into your notebook after class as homework. Collocations from WHO AM I? begin as…, a calculating machine, be built as…, follow instructions from…, sound simple, at the time, a technological revolution, write a book, make…work, solve problems, become huge, had artificial intelligence, go back to…, the size of…, go by, change size, become small and thin, get quick, stand there by oneself, be connected by…, share information by…, talk to…,bring…into…, deal with…, communicate with…, serve the human race 3.Reading, identifying and settling It is time to skim the text one more time and identify the difficult sentences. Try analyzing the structures of the difficult sentences and discuss them among your group members. You may also put your questions to the teacher for help. 4.Closing down by doing comprehending exercises Turn to page 18 and in pairs do the comprehending exercises No. 1 and 2. Scan the text for information to complete the table below, describing the development of computer. 1642：The computer began as a calculating machine． 1822：The analytical machine was made by Charles Babbage． 1936：The computer grew rapidly both in size and in brainpower． 1940s：The computer had grown as large as a room． 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 Language points Reading WHO AM I? 1. In pairs discuss what they have in common. 两人一组讨论一下他们有哪些共同之处。 in common, for or by all of a group共同的；共有的；共用的 We have very much/a lot /nothing /little /something in common. 我们有很多/没有/几乎没有/有一些相似之处。 You know, Mary, you and I have one thing in common.玛丽，你知道，我俩有一个共同点。 2. Can you put them in an order according to the time when they appeared?你能按照他们现世的时间顺序把他们排列成序么？