(共47张PPT)
Unit 3 Computer
Period 1 Reading I
牛津深圳·广州版八年级上册
Learning objectives
1.Knowledge objectives:
①Master some vocabulary and expressions, such as the vocabulary of monitor, speaker, keyboard, mouse, operation, typing, control, calculation, etc.
②Help students understand the significance of data development.
③Learn about the development and use of computers and how they help people's life.
2.Skill objectives:
①Students can understand the function of subheadings and summarize the main idea of paragraphs by analyzing subheadings, so as to improve their reading ability.
②Use reading skills such as skimming, skipping and intensive reading to understand the main idea of the article.
③Improve students' ability to retell articles with the help of mind map.
④Train students to express their opinions clearly and confidently.
3.Emotional objectives:
Help students understand the significance of data development.
4.Thinking capacity(思维品质)
Be able to think independently, cultivate the students' ability of analysis, reasoning and judgment, express their opinions rationally, and think in English in various ways.
Lead in
1.Where are Hi and Lo
2.What is Hi wondering about Lo
3.Where does Lo get his money
4.What makes an ATM work
Look at the picture and answer the questions.
They're outside a bank.
He is wondering why Lo is never short of pocket money.
Lo gets his money from the ATM.
Maybe a computer makes an ATM.It
controls the ATM.
Discussion
Group discussion. What do you do with your computer in life
calculate
type
draw things
download the films
type
[ta p]v.
We use the keyboard for typing.
我们使用键盘打字。
keyboard
[ ki b d]n.
We use the keyboard for typing.
我们使用键盘打字。
Presentation
speaker
[ spi k (r)] n.
mouse
[ma s]n.
We move the mouse to control the computer.
我们移动鼠标来控制计算机。
We hear sound from the speakers.
我们从扬声器里听到声音。
Presentation
monitor
[ m n t (r)] n.
computer monitor
tiny
[ ta ni]adj.
Presentation
The monitor shows words and pictures.
显示器显示文和图片。
Some computers are tiny.
有些计算机极小。
depend
[d pend] v.
depend on
Presentation
You depend on computers more than you realize.
你对计算机的依赖比你意识到的要多。
calculate
[ k lkjule t] vt.
We can use computers to calculate.
我们能使用计算机来计算。
operate
[ p re t] v.
In addition,computers can do important jobs like operating railways and flying planes and spaceships.
除此以外,计算机还能做一些重要的工作，例如操控铁路系统，驾驶飞机和宇宙飞船。
Presentation
Game time
type
keyboard
mouse
tiny
monitor
speaker
calculate
operate
depend
Free talk
What are the electronic and digital products controlled by computers in life
TV
refrigerator
smart phone
air conditioner
How much do you know about computers Look at the photo below and complete the sentences with the correct names.
Reading
A What do you know about ...
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
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.
Pr-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.
√
√
√
Smaller and better
In the 1940s, the first computers were bigger than cars.
Now computers are becoming smaller and better.
Computer facts
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.
Reading
sub-headings
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.
Reading
sub-headings
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
Reading
sub-headings
Presentation
Sub-headings
Sometimes a long passage has several small parts. Each part has a title. We call the title a sub-heading. It usually tells us the topic of the paragraph(s) below it.
For example, in the article on page 35,“Smaller and better” and“What can we do with computers ” are sub-headings.
strategy
Presentation
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 learnt a lot. (line 14)
4 When we make a machine work, we________ it. (line 16)
C Vocabulary
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.
tiny
depend on
In addition
operate
Exercise
Mark:I bought a new computer.
Helen: Why
Mark:I bought my first computer five years ago. I used it almost every day, and it became really slow.
Helen:I see. So how's your new computer
Mark:It was really (1) , but it works at a much faster (2) than my old one.
(3) , it has a larger monitor.
Helen:I also (4)__________ my computer a lot these days. I use it to write reports, and to
get on the Internet too. My computer works well, so I'm not going to buy a new one.
C2 Complete the conversation below with the words from
the box.
depend on expensive in addition speed
expensive
speed
in addition
depend on
Exercise
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 )
Read the articles again and complete the answers to the questions below.
Because your brain can produce new ideas but computers cannot.
The first computers were bigger than cars.
Because some computers are tiny.
Exercise
The future of computers: 6.___________________________________
__________________________________________________________.
思维导图复述
根据教材P35的课文内容完成下面的思维导图,再根据
思维导图，复述该篇课文的内容。
Computer facts
The first computers: 1._____________________________________.
Computers nowadays: 2.____________________________________.
3.____________________________________.
4.____________________________________.
5.____________________________________.
What can we do
with computers
They were bigger than cars
Becoming smaller and better
Calculate
Type and draw things
Other important jobs
Computers may be able to do a better job than,human beings
课文复述
The first computers were bigger than cars. Nowadays,they are becoming smaller and better. With computers, we can calculate, type and draw things, and do other important jobs. In the future, computers may be able to do a better job than human beings, and they may
change our lives.
Exercise
order
①n.订货;订购
We have a full order book for the coming year.我们来年的订货簿已经记满了。
The stationery order has arrived.订购的文具到货了。
②顺序
State your reasons in order of importance.按重要性顺序陈述你的理由。
③v.订购
order sth. from +地点名词从某地订购某物 order sb. sth. 为某人订购某物
He ordered himself a new suit. 他为自己订购了一套新西装。
④v.点菜;命令
He ordered a hamburger.他点了一份汉堡包。
1. Listen to a woman making a phone order.听一位女士电话订货。
根据中文填空
①The computer sorts the words into alphabetical ______ (顺序).
② Atanas _______ (点菜) a shrimp cocktail and a salad.
order
ordered
Language point
2.Learn how to compare things by using the comparative
of adjectives.学习如何通过使用形容词的比较级比较事物。
compare[及物动词]比较
常构成短语compare..with/to...把......和......相比; compare...to...把......比作......
He compared his camera with/to mine.
他拿自己的照相机和我的比较。
My elder sister compares her books to friends.
我姐姐把她的书比作朋友。
语法填空
①Compare your lifestyle ____ his, his is healthier.
②People often compare young people___ the rising Sun.
with
to
Language point
mouse [ma s] mouse
(计算机)鼠标[可数名词] (计算机)鼠标;其复数形式为mouses或mice。
There's a mouse on the desk.书桌上有一个鼠标。
拓展: mouse [可数名词]老鼠;其复数形式为mice。
When the cat's away, the mice will play.
[谚]猫儿不在，鼠儿成精。
A cat is running after a mouse.一只猫正在追赶一只老鼠。
3.mouse
Language point
根据中文含义填空
①Click the left ______(鼠标) button twice to highlight the program.
②A cat often plays with a _______ (老鼠) before the kill.
mouse
mouse
①[及物动词]操纵，控制(机器或系统等)
A central computer controls the traffic lights.一台中心计算机控制着交通信号灯。
②[及物动词]抑制;克制
He was finding it difficult to control his feelings.他觉得很难克制住自己的感情。
③)[名词]控制;管理
be under control被控制住;得到控制 be out of control无法管理;失去控制
4.We move the mouse to control the computer.我们移动鼠
标来控制计算机。
Language point
语法填空
①If the current violence is to be brought _______ control, the government needs to act.
②I know how frightening it can be to feel _______ control.
under
out of
(I) may[情态动词]也许;可能;后接动词原形，表示猜测。
Don't go ─ I might need you.别走——我可能要你帮忙。
Someone might find out, and that would never do.也许有人会发现，那是绝对不行的。
(2) work as 从事...工作
Tom wants to work as a teacher in the future.
汤姆将来想从事教师工作。
Language point
5.Computers may work as doctors.计算机可以从事医生
的工作。
广东深圳中考
—I worked as a volunteer last Friday afternoon.
—Really Can I go with you next time (同义替换)
A. had B. made C. was
√
Language point
6. In the 1940s, the first computers were bigger than cars. 在20世纪40年代，最初的计算机比汽车还要大。
in the 1940s 在20世纪40年代
在英语中，表示“在......年代”;用介词in,在整十年份后加“s”或“’s”，在年代前面加定冠词the。
in the 1880s在19世纪80年代 in the 1980's在20世纪80年代
She became a household name in the 1960s.她在20世纪60年代成为家喻户晓的人物。
In the 1990's the second revolution occurred.
进入20世纪90年代后，我国报纸副刊发生了第二次大变革。
be unaware of 没有意识到,未察觉的 反义词aware of意识到,知道
Are you aware of the serious problem
你意识到这个严重的问题了吗
He kissed her long and passionately, totally unaware of the people passing by.
他久久地激情地吻着她，全然不觉过往的行人。
7. You may be unaware of them.你可能察觉到它们。
根据中文含义填空
①I ______________ (没有意识到) the points engaged, so my understanding about the matter was quite arbitrary.
②Advanced students need to ___________ (意识到,知道) the importance of collocation.
was unaware of
be aware of
Language point
depend on依靠;依赖;信赖;取决于; 后接名词、代词、动词-ing形式或从句作宾语，也可接动词不定式的复合结构作宾语。其中,介词on可用upon 替换。depend on的主语可以是人, We depend on you to finish the task.我们指望你来完成这项任务。
Our plan depends on the weather.我们的计划取决于天气。
Language point
8.You depend on computers more than you realize.你对计
算机的依赖比你意识到的要多。
( 2021四川广元中考)
As a middle school student, you should learn to depend ____ yourself to make a decision.
A. of B. with C. for D. on
D
speed [ 名词]速度
常用搭配: at high/low speed以高/低速 at a speed of... ......的速度
The car is travelling at a speed of 100 kph.
这辆小汽车正以每小时100千米的速度行驶。
9.They can calculate at a faster speed than we can and almost never give wrong answers.它们的计算速度比我们快,而且几乎从来不会出错。
①I observed a white SUV driving erratically at _____ speed(高速).
②The car is running at a speed ___ fifty kilometres an hour.
high
of
Language point
(1) in addition除......之外(还) ;此外;另外; 通常位于句子开头,后面用逗号与句子其构他部分隔开。
In addition, the hotel provides a free breakfast.另外，这家宾馆提供免费的早餐。
10.In addition,computers can do important jobs like operating railways and flying planes and spaceships.除此之外，计算机还能做一些重要的工作，例如操控铁器系统、驾驶飞机和宇宙飞船。
根据中文含义填空
①You need money and time, __________ (除......之外 ), you need diligence.
②__________ (此外), we'll discuss the question of division of labour.
In addition
Language point
In addition
(2)operate
①[及物动词]操作;(使)运转
What skills are needed to operate this machinery 操作这种机器需要什么技能？
②[不及物动词]动手术
The doctor is operating on the girl.医生正在给那个女孩做手术。
③operation n.活动;手术;操作
Operation of the device is extremely simple.这个装置的操作非常简单。
Language point
语法填空
①Most large companies now use computers for accounting and housekeeping __________ (operate).
②It takes a lot of energy to build and ________ (运转) a human brain.
operations
operate
辨析:be able to与can
两者都可表示“能;会”，其后均需接动词原形。
①be able to表示有能力,经过努力而获得的能力。有人称和数的变化,可用于多种时态。
②can表示自身具备的能力，还可表示请求、允许、推测。没有人称和数的变化。
只有一般现在时can和一般过去时(could)两种时态。
Between us we ought to be able to find a solution to the problem.
我们应该能够共同努力找出解决问题的办法。
I can probably make the time to see them.
我大概能腾出时间去看望他们。
11. However,one day computers may be able to do a better job than human beings.然而，有一天计算机也许能比人类工作得
更出色。
Language point
2021 海南中考
根据句意及所给汉语补全单词。
Alice is a clever girl.She is always _____(有能力的) to come up with good ideas.
able
Language point
be better at更擅长于;更擅长;是be good at的比较级形式。
be good at擅长，在.....方面做得好,at是介词，其后可接名词、代词或动词-ing形式，同义短语为do well in。
Others might be better at managing finances.
其他人或许更擅长于管理财务。
My sister is good at singing. = My sister does well in singing.
我姐姐擅长唱歌。
12.For computer they maybe better than doctors at doing
their job. 例如，它们可能比医生更胜任医务工作。
语法填空
①If you can study hard, you will be better ___ English.
②You have to be good ___ spotting trouble on the way and heading it off.
at
at
happen[动词]
①发生，尤指偶然发生，其主要用法有:
sth. happen (s) +地点/时间 某地/某时发生菜事
sth. happen (s)to sb. 某人出了某事(常指不好的事发生在某人身上
All these changes happened over a period of time.所有这些变化都是在一段时间内发生的。
②碰巧;恰好
happen to do sth.碰巧做某事
But we don't want that to happen to us, do we 然而,我们并不想这些发生在我们身上,是不是？
13.What will happen to us if computers can do all our jobs 如果计算机能做我们所有的工作，我们将会怎样
语法填空
I happen___think you do a lot of things right.
Good days are on the way and something better will happen ___ you.
to
to
Language point
动词不定式(短语)作后置定语此处have nothing to do意为“无事可做”，其中动词
不定式to do作不定代词nothing的后置定语。动词不定式(短语)作后置定语时，被修饰的名词或不定闻多为它逻辑上的宾语，即:被修饰的名词或不定代词是动词不定式动作承受者。
Do you want something to drink 你想喝点儿什么东西吗？
Language point
14. Will we have nothing to do 我们将无事可做了吗
黑龙江中考
A friend in need is a friend indeed.All of us need a friend ___.
A. to talk with B.talking with C.to talk
A
Language point
need[实义动词]需要;必需;有必要
后面可接名词、代词、动词不定式或动词-ing形式作宾语。need作实义动词时有人
称、数及时态的变化，在变为否定句或疑问句时需要借助于助动词do, does或did。
They don't need any help.他们不需要任何帮助。
The company needs to improve its competitive edge.公司必须提高它的竞争力。
As he doesn't want to go, he doesn't need to.既是他不愿意去，那就算了吧。
15. Some young people always need help from their parents.有些年轻人总是需要他们父母的帮助。
根据中文含义填空
①You ______ (必需) to learn new commands and turn them into a habit.
②I think we ______ (有必要) to improve our educational system in general.
need
need
1.monitor n.(计算机)显示器 2.speaker n.扬声器
3.type v.打字 4.control v.操纵;控制
5.depend v.依靠;依赖 6.keyboard n.键盘 7.mouse n.鼠标 8.tiny adj.极小的;微小的 9.calculate v.计算 pare v. 比较;对比 11.operate v.操作;控制 12.order n.订货;订购
重要单词及短语
Summary
Summary
1. It is becoming more and more popular now.
现在它变得越来越受欢迎。
2. It is smaller than computer.
它比电脑小。
3. We can also use it to surf the Internet.
我们也可以用它来上网。
4. It makes our life more and more convenient.
它让我们的生活越来越方便。
5. They are very important and useful in our daily life.
它们在我们的日常生活中非常重要且有用。
重要句型
一、根据汉语写出英文单词
1. (计算机)显示器 (n.) _____________ 2. 扬声器 (n.) _____________________
3. 打字(v.) _______________________ 4. 操纵;控制 (v.)___________________
5. 依靠;依赖 (v.) __________________ 6. 键盘(n.)_______________________ 7.鼠标(n.)________________________ 8.极小的;微小的 (adj.) _____________ 9. 计算 (v.) ______________________ 10. 比较;对比 (v.) _________________ 11. 操作;控制 (v.) _________________ 12. 订货;订购 (n.) _________________
monitor
speaker
type
control
depend
tiny
compare
operate
order
keyboard
mouse
calculate
Exercise
二、根据汉语写出下列词组
1. 依靠 _________________________ 2. 从事……工作____________
3. 没意识到;未察觉_______________ 4.以......的速度_____________
5. 除……之外(还)________________ 6. 碰巧;恰好_______________
7. 盼望;期待 ____________________ 8. 怎样处理 _______________
9. 操控铁路系统 ________________ 10.知道;意识到____________
depend on
look forward to
in addition
what...do with
be unaware of
work as
at a speed of
happen to do sth.
operating railways
be aware of
Exercise
三、翻译下列句子
1.在20世纪40年代, 最初的计算机比汽车还要大。
_____________________________________________________________________
2.弗兰克,你认为电脑怎么样？
_____________________________________________________________________
3.现在电脑正变得更小、更好。
_____________________________________________________________________
4.有些计算机极小.你可能没有察觉到它们。
_____________________________________________________________________
5.你对电脑的依赖比你意识到的要多。
_____________________________________________________________________
Now computers are becoming smaller and better.
You depend on computers more than you realize.
In the 1940s,the first computers were bigger than cars.
What do you think of computers,Frank
Some computers are tiny.You may be unaware of them.
Exercise
6.它们能比我们计算得更快,而且几乎从不出错。
_________________________________________________________________________
7.除此此外,电脑还能做一些重要的工作,例如操控铁路系统,驾驶飞机和宇宙飞船。
_________________________________________________________________________
_________________________________________________________________________
8.然而，有一天计算机也许能比人类工作得更出色。
_________________________________________________________________________
9.例如,它们可能比医生更胜任医生这种工作。
________________________________________________________________________
They can calculate at a faster speed than we can and almost never give wrong answers.
In addition, computers can do important jobs like operating railways and flying planes and spaceships.
For example, they may be better than doctors at doing their job.
However,one day computers may be able to do a better job than human beings.
Exercise
1. Review the important words and phrases in this lesson.
2. Complete the exercises after class.
Exercise
Home work
谢谢
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