(共19张PPT)
Unit 3 Computers
Oxford English
Speaking
The first computers were _________ than cars, but now they are becoming ________ and _________.
Computers can calculate at a _________ speed than we can.
Computers are not _________ than human beings, but they may be able to do a _________ job than us.
In the past, computers were _______ expensive, but now they are much ________.
cheaper
cleverer
faster
smaller
bigger
more
better
better
Revision
Warming-up
Do you have a computer at home
a laptop
a desktop
Which kind of computers are better
Laptops are lighter than desktops.
Laptops are easier to carry around than desktops..
Desktops are often cheaper than laptops.
Talk time
Amy and Frank are talking about computers.
Pre-talk
extra stress
1. Stress nouns, verbs, adjectives, adverbs and numbers.
2. Do not stress words like a, the, is and have except for special reasons.
3.Give extra stress to the most important word in the sentences. You, the speaker, must decide what the most important word is.
特别重读
A1 Listen and read the conversation below and practise it in pairs. Giv extra stress to the wordsunderlined twice.
Amy: What do you think of computers, Frank
Are they cleverer than human beings
Frank: No, I don’t think so.
Amy: Why not Computers can do a lot of
things
Frank: Maybe, but human beings created
computers!
Amy: That’s true.
Language points
What do you think of computers
你觉得计算机怎么样？
What do you think of... 你认为...怎么样？
=How do you feel about...
=How do you like...
e.g: 你觉得这部电影怎么样？
What do you think of this movie
=How do you feel about this movie
=How do you feel like this movie
Groupwork
Read the conversation loudly and then work in groups and practice it in groups.
A2 Read the conversation below and draw an extra line under the words you would give extra stress to. Then practise it .
Frank: Which kind of computers are better,
desktops or laptops
Amy: Laptops, I think.
Frank: Why
Amy: Laptops are lighter. They’re easier to carry
around than desktops！
Frank: Yes, but desktops are often cheaper than
laptops. And I don’t really have much money.
Amy: Well, then a desktop is probably a better
choice for you.
Role-play
Work in pairs and practice the conversation in A2.
Brainstorm
What do you usually do on the computer
get information
chat
play games
watch films
shopping
Speak up
B1 In groups, do a survey about using computers at home. Use the following questions to help you. You must add at least one more question of your own.
1 Do you have a computer at home
2 How often do you use the computer
3 What do you usually do on the computer
4 How much time do you spend playing computer games every week
5 How do you use the computer to help you study
6 Your own question(s): ________________
_____________________________________
B2 Go around the class and interview other students. Make notes of their answers. Then each group should report their findings to the class. Use the following plan to help you.
We found that … of the class have computers at home.
… use computers almost every day, and … don’t use computer very often.
… often … on the computer at home.
…
Language points
1.How often do you use the computer
你多久使用一次电脑？
how often 多久一次，询问频率
2. How much time do you spend playing
computer games every week
你每周花多长时间玩电脑游戏？
spend 花费，常指花费钱或时间,句型有
sb.+spend(s)+money/time+doing sth
sb.+spend(s)+money/time+on sth.
spend 指花费时间或金钱 主语是人 spend...on sth
spend...doing sth
cost 指花费金钱 主语是物 Sth. costs sb some money.
take 多指花费时间 it作形式主语 It takes/too sb some time to do sth.
pay 指为某物支付金钱 主语是人 pay for sth
pay sb for sth
辨析：spend，cost，take, pay
Exercise
1.They spend too much time_____ the report
A. writing B. to write
C. on writing D. write
2.--Will you please_____ for my dinner, Bob
--Sure!
A. spend B. pay C. cost D.take
3.It will _____ me too much time to read this book.
A. take B. cost C. spend D.pay
A
B
A
4. I _____ two hours on this maths problem yesterday.
A. take B. cost C. pay D .spent
5.I like reading, so I always spend my pocket money_____ books.
A. on B. in C.at D.with
6.What do you think_____ this shirt
A. with B. in C.at D.of
D
A
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Unit3 Computers
Speaking同步练习
一、单选
（ ）1. -_________ do you go to library
- Once a week.
A. How much B. How soon C. How often D. How long
（ ） 2.They spend too much time_____ the report
A. writing B. to write C. on writing D. write【来源：21·世纪·教育·网】
（ ）3. It usually ______ Mum about half an hour to cook supper.21·世纪*教育网
A pays B takes C spends D costs
（ ）4. Daisy is such a good daughter that she _____ most of her spare time with her parents.【来源：21cnj*y.co*m】
A spends B costs C takes D affords
（ ）5. I _____ two hours on this maths problem yesterday. 21*cnjy*com
A. take B. cost C. pay D .spent
（ ）6.I like reading, so I always spend my pocket money_____ books.
A. on B. in C.at D.with
（ ）7.What do you think_____ this shirt
A. with B. in C.at D.of
（ ）8.I have to _____ them 100 pounds for this room each month.21·cn·jy·com
A. pay B. Paid C. cost D. took
（ ）9. This kind of computer _______ too much. I can't afford one. www.21-cn-jy.com
A.takes B. spends C. pays D. costs 21教育网
（ ）10. It will ________ us several years to learn a foreign language well.
A. cost B. take C. spend D. use www-2-1-cnjy-com
二、完成句子
（1）我每个月要花200元的零花钱。（spend）
（2）他们用了三年时间完成了这个计划。（take）
（3）Sam花一大笔钱买了一台新电脑。（pay）
（4）他花了大量时间才记住了这些单词。（cost）
造这栋楼花了他们两年时间。（spend）
补全对话
A. How much is it B. What can I do for you C. I have a computer of my own.D. We have great discounts for students.E. Do you want to have a cup of coffee F. I also want to get a system of Windows XP.G. Which kind of computer do you want, a desktop or a laptop
A: Welcome to our computer shop. (1) _______
B: I need to buy a computer. I was told it is cheaper to buy computers here.
A: Yes, that's true. (2) _______
B: That's great, but I don’t know much about computers.21世纪教育网版权所有
A: I will help you. (3) _______
B: I want a desktop with a lot of memory.
A: Then, what kind of system would you like We have Windows XP and Windows Vista.
B: Most of my classmates use Windows XP. (4) _______21cnjy.com
A: Windows XP is really an excellent system. Look. This is the one you want to choose.
B: Wow. It's wonderful. (5) _______
A: It's 4000 yuan. But we can give you a 30% discount.2·1·c·n·j·y
B: OK. I will take this one.
Unit3 Computers
Speaking同步练习
答案
一、1-5 CABAD 6-10ADADB
二、
1.I usually spend about 200 pocket money every month.【出处：21教育名师】
2.It took them three years to finish this project.2-1-c-n-j-y
3. Sam paid a large number of money for a new computer.【版权所有：21教育】
4.These words cost him a lot of time.
5. We spent two years on this building.
三、BDGFA
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