Unit 3 Computers-Reading课件（共42张PPT）

(共42张PPT)
教学内容：P33-35, P37
Unit 3 Computers
英语教学课件系列
八年级上册
Reading (1)
I. 将下列短语译成英文。
1.从事……工作 __________
2.没意识到 ____________
3.依靠 _____________
4.除……以外（还） _____________
5.总计，总共 _____________
6.盼望，期待 ______________
7.在20世纪40年代 ______________
8.以很快的速度 ______________
9.出席会议 ______________
10.对……不利 ______________
work as…
be unaware of…
depend on
in addition
grand total
look forward to…
in the 1940s
at a fast speed
attend a meeting
be bad for…
I. 将下列短语译成英文。
11.多于 __________
12.将来某一天 ____________
13.,例如 _____________
14.擅长 _____________
15.遭遇到 _____________
16.改变某人的生活 ___________
17.人类 ______________
18.玩电脑游戏 ______________
19.多久一次 ______________
20.玩得高兴 ______________
more than
one day
for example
be good at
happen to
change ones’ life
human being
play computer games
how often
have a good time
order 订购 名词
order sb. to do. 命令某人做某事
2. compare 动词 compare to 和…对比
comparison 对比;比较 名词
3. monitor 主机;班长
4. speaker 扬声器
speak 说话
5. mouse 鼠标; 老鼠
mice 老鼠;复数
order 订购 名词
order sb. to do. 命令某人做某事
2. compare 动词 compare to 和…对比
comparison 对比;比较 名词
3. monitor 主机;班长
4. speaker 扬声器
speak 说话
5. mouse 鼠标; 老鼠
mice 老鼠;复数
6. type – typing 打字
7. expensive 昂贵的 cheap 便宜的
expense 费用 名词
tiny -- huge
细小的 巨大的
depend on 依靠;依赖
dependence 依赖性 名词
10. calculator calculate calculating
计算器 计算 精于计算的
small –large
小的 大的
11. speed speedy
速度 迅速的; 高速的
12. operate operating operator
操控 操作的 操作人员
operation 手术
13. railway 铁路系统
railway station 火车站
high speed rail 高铁
company 公司年n colleague 同事
company 陪伴v companion 伴侣
15.at a high price 以高价
at a low price 以低价
16. grand total 总计
17. sell- sold-sold sell out 卖光
seller卖方 buyer 买方
buy-bought – bought 买
18. popular ----- popularity
受欢迎的 流行;人气
电脑
做准备
在本单元，你将学习一些关于电脑的事实。
读
读一篇关于电脑的文章
Do you have a computer at home
What can we do with computers
facts


Pre-reading
Brainstorm ideas with your classmates.
What can we do
with computers
play games
watch movies
listen to music
draw pictures
type
calculate
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
C1. Vocabulary
small
need help from
3.and … as well
4.make… work
小的
tiny
需要来自…帮助/依靠
depend on
也；除…之外
In addition
使工作
operate
depend on expensive in addition speed
依靠 昂贵的 除此之外 速度
1.It was really
2.but it works at a much faster
3. , it has a larger monitor.
4.I also my computer a lot
C2.
depend on
expensive,
speed
In addition
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.
.Computers can do important jobs like flying planes.
3. Computers may work as doctors.
4. Computers are expensive.
fast reading
Sub-headings
In addition
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.
.Computers can do important jobs like flying planes.
3. Computers may work as doctors.
4. Computers are expensive.



fast reading
S1: We can do many things with computers in our daily life.
S2: For example
S1:We can _________, _______ and ___________
with them.
S1: There may be tiny computers in your home.
S2: Where, for example
S1: Inside your _____ or ________________.
2
1
Complete the answers with the examples from the article.
TV
washing machine
calculate
type
draw things
D1
S1: Computers can do some important jobs.
S2: For example
S1: They can______________ and
_____________________
S1: One day, computers may be able to do a better job than human beings.
S2: For example
S1:They__________________________________.
4
3
operate railways
fly planes and spaceships.
may be better than doctors at doing their job
Answer the questions below in complete sentences.
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, they aren’t. Because our brains can produce new ideas
but computers cannot.
D2
Discuss and answer the questions.
Do you depend on computers a lot in your daily life
Give examples.
Do you agree that computers will be able to do all our jobs in the future Give reasons.
Post-reading
D3
Homework
1.模仿录音的语音、语调，朗读课文。
2.完成P35 C1和C2。
3.完成主题阅读。
教学内容：P35-36
Unit 3 Computers
英语教学课件系列
八年级上册
Reading (2)
Read the sentences and pay attention to the words in italics. Write one word or phrase that is related to or similar in meaning to the words in italics.
1 The racing car runs at 230 km an hour. It’s really fast!
2 Where is the ant I can’t see it. It’s so small.
3 He just stood in the road. He didn’t see the car coming.
4 I decide to go to Wuhan by train.
6 The young man made his robot move with a remote
control.
5 We cannot always ask our parents for help.
speed
be unaware of
railway
depend on
operate
tiny
Vocabulary
1 If something is very small, it is __________. (line 5)
Some young people always need help from their parents.
They should learn to __________ themselves. (line 8)
We had fun and learnt something new as well. We had a
good time. ___________ , we learnt a lot. (line 14)
When we make a machine work, we __________ it.
(line 16)
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.
operate
In addition
depend on
tiny
C1
Complete the conversation with the words from the box.
speed
In addition
depend on
expensive
C2
Complete the sentences with the words you have learnt. Change their forms if necessary.
I can’t type because the __________ doesn’t work.
You ________ on your parents too much. You should learn how to look after yourself.
3 My father _______ as an engineer. His job is to ________
some big machines and repair them.
4 CPU is the “________” of a computer. It’s a ______ part
in the main unit.
5 Getting angry may make you lose friends, so it is important to
________ your feelings.
6 He is driving at a speed of 150 km per hour. It’s very dangerous,
but he is _________ of the danger.
depend
keyboard
operate
works
tiny
brain
control
unaware
Language points
Presentation/Practice
1. In the 1940s, the first computers were bigger than cars.
in the 1940s 在20世纪40年代
the first computers 第一批
the first + n.单 第一个……
the first + n.复 第一批……
如： 在19世纪80年代
A. in the 1980 B. in the 1980s
C. in 1880s D. in the 1880s
2. Now computers are becoming smaller and better.
The kite flies higher and higher.
风筝飞得越来越高。
加more变成比较级的形容词或副词，使用这个结构时应为：more and more + 形容词/副词原形。如：
smaller 是 small 的比较级，better是good的比较级。
这种结构为 “比较级 + and + 比较级”，表示 “越来越……”。
类似的用法还有：
Computers become more and more important in our daily life.
aware adj.意识到的,知道的,觉察到的
be aware of 对…有意识
他对自己的错误有所意识。
He is aware of his own mistakes.
3. You may be unaware of them.
aware-unaware
unaware adj.不知道的，未察觉到的
be unaware of 对……未察觉
他对整件事情一无所知。
He was completely unaware of the whole thing.
depend v. ---- dependent adj.
depend on = be dependent on
我们的成功依赖于你们的支持。
Our success _______ ____ your support.
= Our success ____ ________ ____ your support.
independent adj.独立的– independently adv.
depends on
is dependent on
4. You depend on computers more than you realize.
more than 超过，多于
less than 不足，少于
realize v. 了解，意识到
5. They can calculate at a faster speed than we can and almost never give wrong answers.
calculate v. 计算
calculation n. 计算
calculator n.计算器
at a faster speed 以一个较快的速度
火车以缓慢的速度前进着。
The train is moving ___ ___ ____ ______.
almost adv.几乎
almost never 几乎从未
at a slow
speed
6. In addition, computers can do important jobs like operating railways and flying planes and spaceships.
（1）in addition, besides, except, but和except for的区别
1. besides除……之外（还包括）=in addition (to)
2. except 除……之外（不包括),把某个或某些排除，指从同类人或物中除去一部分=but
He answered all the questions except the last one.
（最后一个问题没回答）
=He answered all the questions but the last one.
3. except for 除……之外（不包括），通常先从整体上肯定然后排出某一点，所除去的和提到的并非同一类事物
Your composition is good except for a few spelling mistakes.
（作文与拼写错误不是同类。）
1. for example与后面常用逗号隔开，可置于句首、句中、句末；所举的例子不仅可以是词组，也可以是句子。
There are many difficulties in our study, for example, we are lack of money.
2. such as 后不用逗号隔开,由于as是一个介词，因此它所举的例子只能是名词词组或动名词，不能是句子。
I have many hobbies such as swimming,singing, dancing.
3. like 可与such as相替换，但由于它本意为“像……一样” ,因此更强调情境的相似性，重在例证。
I don’t like the person like you.
（2）like, for example和such as的区别
7. For example, they may be better than doctors at doing their job.
be good at doing = do well in doing擅长做…
比较级： be better at doing=do better in doing
Are you better at ________ than _______
A. swim, run B. swimming, running
C. swimming, run D. swim, running
8. Will we have nothing to do
have nothing to do 无事可做
(动词不定式to do 在句中作宾语补足语)
我们这个周末无事可做。
We have nothing to do this weekend.
让我们吃点东西吧。
Let’s have something to eat.
9. Computers may change our lives, but will they make them better
change one’s life(lives) 改变某人的生活
make one’s life(lives) better 使某人的生活更好
新的环境将会改变我们的生活。
The new environment will ______ ____ _____.
电脑使我们的生活变得更好。
Computers ______ ____ _____ _______.
change our lives
make our lives better
make + n. + adj.
I. 将下列短语译成英文。
1.从事……工作 __________
2.没意识到 ____________
3.依靠 _____________
4.除……以外（还） _____________
5.总计，总共 _____________
6.盼望，期待 ______________
7.在20世纪40年代 ______________
8.以很快的速度 ______________
9.出席会议 ______________
10.对……不利 ______________
work as…
be unaware of…
depend on
in addition
grand total
look forward to…
in the 1940s
at a fast speed
attend a meeting
be bad for…
Exercise
II.词汇选择。
1. ----How about this red bike
----I can’t buy it because it is so expensive.
A. not excellent B. not cheap C. not big
2. ----Some computers in the machine are tiny, so you may
not see them.
--- Oh, that’s interesting.
A. very small B. very big C. very deep
3. --- I was unaware of my mistake when I was doing my
math homework.
--- How careless you are!
A. didn’t realize B. was looking for C. saw
A. is not careful B. doesn’t have the ability to
C. is not strong
6. ---My uncle can operate planes.
--- How great he is!
A. make …work B. make…stop C. make…break
5. ---My grandma is not able to walk on her own.
--- Maybe she is too old.
4. --- In addition to English, I like many other subjects.
--- Wow, that sounds good
A. However B. What’s more C. Besides
Homework
1. 朗读课文.
2. 熟记language points.
3. 完成Reading同步练习。
Thank you!