(共30张PPT)
Unit 3 Computers
Oxford English
Reading
Computer facts
monitor
n. (计算机)显示器
speaker
n. 扬声器
Words Review
The monitor shows the words
and pictures.主机显示文字和图片。
We hear sound from
the speaker.我们从扬声器
听到声音。
main unit
n. (计算机)主机
brain
n. 脑
The brain of the computer is in the
main unit.电脑的“脑” 在主机里。
mouse
n. (计算机)鼠标,复数mouses
Words Review
mouse老鼠，复数mice
n. (计算机或打
字机的)键盘
keyboard
We move the mouse to control the computer.
We use the keyboard for typing.
control
v. 操纵; 控制
(机器或系统等)
We move the mouse to control the coputer.
under control 处于控制之下
control n.控制
out of control 失去控制
The plane is out of control. 飞机失控了。
expensive
adj. 昂贵的; 价格高的
tiny
adj. 极小的; 微小的
cheap 便宜的
type
v. 打字
n. 类型
depend
v. 依靠；依赖
speed
n. 速度
depend on依靠，取决于（不能用于进行时态和被动语态）
Our plans depend on the weather. 我们的计划取决于天气.
at a speed of...以...的速度
The bus went to the bus station
at a fast speed.
operate
v. 操作；控制
n. 铁路系统
railway
operate on sb给某人动手术
operation n. 操作
=do an operation on sb
railway station火车站
The doctor is operating on the girl.
control
mouse
railway
depend
monitor
brain
speed
type
keyboard
tiny
speaker
操作
main unit
expensive
Sharp eyes
控制
显示器
铁路
依靠
鼠标
大脑
速度
打字
键盘
极小的
扬声器
操作
主机
昂贵的
Sharp eyes
Can you imagine that what kind of computer we will use in the future
Video time
Pre-reading
A What do you know about...
main unit
monitor
mouse
speakers
keyboard
1 The _______ shows words and pictures.
2 We use the _________ for typing.
3 The “brain” of a computer is in the _________.
4 We move the ______ to control the computer.
5 We hear sound from the ________.
monitor
keyboard
main unit
mouse
speakers
Pre-reading
B Before you read
Look at the pictures, the title and the sub-headings of the article on page 35. Then tick (√) the facts that the article probably talks about.
A sub-heading usually tells us the topic of the paragraph(s) below it.
sub-headings
Pre-reading
B Before you read
Look at the pictures, the title and the sub-headings of the article on page 35. Then tick (√) the facts that the article probably talks about.
1. Computers are getting smaller and better.
2. Computers can do important jobs like flying planes.
3. Computers may work as doctors.
4. Computers are expensive.
√
√
√
work as从事...工作
While-reading
Listen to the tape and answer the questions.
1. When was the first computer invented
2. What can we do with computers
3. Is a computer cleverer than us
In the 1940s.
Calculate.
No.
While-reading
Read the passage and complete the outline of article.
Computer
facts
Part 1
Part 2
Part 3
The __________ of computers in different times.
The __________ of computers in daily life.
The __________ between human beings and computers in the future.
sizes
uses
relationship
C1 The words in italics explain the meanings of some words on page 35. Find these words to complete the sentences. Change their forms if necessary.
1 If something is very small, it is ____. (line 5)
2 Some young people always need help from their parents. They should learn to _________ themselves. (line 8)
3 We had fun and learnt something new as well. We had a good time. __________, we leant a lot. (line 14)
4 When we make a machine work, we ______ it. (line 16)
tiny
depend on
In addition
operate
While-reading
While-reading
C2 Complete the conversation below with the words from the box.
expensive
speed
In addition
depend on
Smaller and better
In the 1940s, the first computers were bigger than cars. Now computers are becoming smaller and better.
Some computers are tiny. You may be unaware of them. There is probably one inside your TV or washing machine. You depend on computers more than you realize.
Computer facts
20世纪40年代
第一批电脑
对...未察觉
依赖
比...多
What can we do with computers
We can use computers to calculate.
They can calculate at a faster speed
than we can and almost never give
wrong answers. We can also type and
draw things with them. In addition,
computers can do important jobs like
operating railways and flying planes
and spaceships.
计算
以更快的速度
除此之外
操控铁路系统
Is a computer cleverer than me
The answer is “No”. Your brain can produce new
ideas but computers cannot. However, one day
computers may be able to do a better job than
human beings. For example, they may be better
than doctors at doing their job.
What will happen to us if computers can do all our
jobs Will we have nothing to do Computers may change our lives, but will they make them better
be able to do sth能够做某事
human being 人类
for example比如
be good at doing sth擅长做某事
happen to sb某人发生...
have nothing to do 无事可做
1 S1: There may be tiny computers in your home.
S2: Where, for example
S1: Inside you ___ or _______________.
2 S1: We can do many things with computers in our daily life.
S2: For example
S1: We can ________, ____ and __________ with them.
D1 Read the article on page 35 and complete the answers with the examples from the article.
TV washing machine
calculate type draw things
After-reading
3 S1: Computers can do some important jobs.
S2: For example
S1: They can _______________ and ______________________.
4 S1: One day, computers may be able to do a better job than human beings.
S2: For example
S1: They ___________________________
_____________.
operate railways
fly planes and spaceships
may be better than doctors at doing their job
D2 Read the article again and answer the questions below in complete sentences.
After-reading
1.What were the first computers like
2. Why are we unaware of some computers
3.Are computers cleverer than you and me
Why or why not
They were bigger than cars.
Because they are tiny.
No. Because our brain can produce new ideas but computers cannot.
Computers are very popular all over the world now. Some computers are tiny, and you may be __________ of them. But you _________ on computers more than you puters calculate at a faster ________ than people, and almost never give wrong answers. They can also ______ and draw things. In __________, they can _________ railways and fly planes and spaceships. However, computers aren’t _________ than us now. But in the future, they may be able to do a ________ job than human beings.
unware
depend
speed
type
addition
operate
cleverer
better
After-reading
Use the proper words to fill in the blanks according to the text.
D3 Discuss and answer the question below with your classmates.
1 Do you depend on computers a lot in your daily life Give examples.
2 Do you agree that computers will be able to do all our jobs in the future Give reasons.
After-reading
Homework
Remember new words and phrases by heart after class.
2. Try to recite the article.登陆21世纪教育 助您教考全无忧
Unit3 Computers
Reading同步练习
汉译英
1.主机 ________ 2.从事...工作________www.21-cn-jy.com
3.20世纪40年代________ 4.依赖________
5.没意识到 ________ 6.以很快的速度________
7.除此之外________ 8.擅长做某事________
9.能够做某事 ________ 10.人类________
二、根据首字母提示或汉语提示，补全单词。
1. We move the _______ to control the computer.
2. Our plans d_______ on the weather.
3. The doctor is o______ on the girl..
4. Some parents like to c_______ their children with others’. It’s bad for the children.
5. Computers may be b______than doctors at doing their jobs.. 21教育网
6. Can you repair the _______ (显示器) of my computer It doesn’t work.
7. What’s the _____ (大脑) of a computer
8. My new computer works at a faster ______ (速度) than my old one.【来源：21·世纪·教育·网】
9. My brother is working on the ________ (铁路系统).
10. How many English words can you _____ (打字) in a minute 2·1·c·n·j·y
三、 完成句子。
1.人们生病时要依靠医生。
People have to ________ ________ doctors when they are ill.21·世纪*教育网
2. 此外，李老师还是个灌篮高手。
________ ________, Mr Li is a great basketball player.www-2-1-cnjy-com
3. 你父亲从事什么工作？
What does your father ________ ________
4. 我没察觉到这个错误的答案。
I ________ ________ ________ the wrong answer.
5. 如果计算机能做我们所有的工作，我们将来会怎样？
What will________ ________ us if computers can do all our jobs 21cnjy.com
根据课文内容完成句子。
Computer facts
Smaller and better
In the 1940s, the first computers were bigger ________ cars. Now computers are becoming smaller and ________.Some computers are ________. You may be________ of them. There is probably one inside your TV or washing machine. You depend on computers more than you
________.
What can we do with computers
We can use computers to________.They can calculate at a faster ________ than we can and almost never give wrong answers. We can also ________and draw things with them. In ,computers ________can do important jobs like ________ railways and flying planes and spaceships.2-1-c-n-j-y
Is a computer cleverer than me
The answer is “No”. Your brain can ________ new ideas but computers cannot. However, one day computers may be able to do a better job than human beings. For________ , they may be better than doctors at ________ their job.What will ________to us if computers can do all our jobs Will we have ________ to do Computers may change our lives, but will they make them better 21*cnjy*com
Unit3 Computers
Reading同步练习
答案
一、
1.main unit 2.work as
3.in the1940s 4.depend on
5.be unaware of 6.at a fast speed21世纪教育网版权所有
7.in addition 8.be good at doing sth21·cn·jy·com
9.be able to do sth 10.human being
二、
mouse
depend
operating
4.control
5. better
6. monitor
7. brain
8. speed
9. railway
10. type
三、
depend on
In addition
work as
am unaware of
happen to
四、略
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网 www.21cnjy.com 精品资料·第 2 页 （共 2 页） 版权所有@21世纪教育网
