Unit 3 Computers单元词汇精讲课件

(共30张PPT)
vocabulary
Module 2 Science and technology
Oxford English
Unit
3
Computers
order
compare
monitor
speaker
main unit
keyboard
mouse
type
n. 订货；订购
v. 比较；对比
n. （计算机）显示器
n. 扬声器
n.（计算机）主机
n. （计算机）键盘
n.（计算机）鼠标
v. 打字
brain
control
expensive
tiny
depend
calculate
speed
operate
railway
n. 脑
v. 操纵，控制
adj. 昂贵的；价格高的
adj. 极小的；微小的
v. 依靠；依赖
v. 计算
n. 速度
v. 操作；控制
n. 铁路系统
work as
be unaware of
[ n we ]
depend on
in addition [ d n]
grand total
[ɡr nd]
look forward to
[ f w d]
从事……工作
没意识到；未察觉
依靠
除……以外（还）
总计
期待，盼望
order n. /v. 〔C〕 订货, 订购 ; 命令
make a phone order/online order
电话订购/网上订购
你是想要电话订购还是网上订购？
Would you like to make_____________
or _______________
a phone order
an online order
王先生在电话上订购一些东西。
Mr. Wang is ________ some things on the phone.
ordering
老板命令我去订购10台新电脑。
My boss _________ me to ______ ten computers.
ordered
order
May I take your order
We should keep in good order in public.
短语：keep order 维持秩序
in good order 整齐
in bad order 不整齐
keyboard 键盘
mouse 鼠标
monitor 显示器
speaker 音响
main unit
主机
P34
parts of a computer
monitor
keyboard
main unit
mouse
speakers
What do these parts use for
compare v.比较 ，对比
comparative adj. 比较的，相对的
comparison n. 比较，对照
短语：compare A with B 把A 和B做比较
compare A to B 把A 比作B
我将台式机和笔记本电脑作比较，我更喜欢笔记本电脑。
I _________desktops _____laptops, and I prefer laptops.
你可以通过比较知道哪台电脑更好。
You can know which computer is better by ___________.
compare with
comparison
People usually_________children____ young trees.
compare to
type v. 打字
typing n. 打字
typist 打字员
typer 打字机, 打字员
She used to work as _______, she can____ fast with _______, and a few years later, she gave up _______ because it is out of date.
typing
a typist
type
a typer
type n. 种类 a type of 一种
短语：be in control/be under control 在控制中
be out of control/ lose control失去控制
control v. /n. 操纵，控制
(过去式) controlled, (现在分词) controlling
Jason used _______________ to control the model car. suddenly the model car __________ and stopped working.
remote control 遥控
a remote control
lost control
expensive adj. 昂贵的，价格高的
more expensive
I compare these computers, the black one is________________ than the white one. That is, its price is _______than the white one , so I don’t have enough money to buy it.
区分：
表示东西贵贱用expensive或cheap
表示价格(price)高低用high或low
higher
(近义) dear
（反）cheap 便宜的
price n. 价格
prize n. 奖赏
full price
half price
at a high price
询问价格怎么问：
1. How much is the computer
2. What is the price of the computer
3. How much does the computer cost
全价
半价
以高价
tiny adj. 极小的 =very small
比较级：tinier 最高级：tiniest
电脑里面有成千上万个极小的零件。
There are thousands of ___ parts in acomputer.
那些字太小了，我看不清楚了。
The words are too ____. I can’t see them clearly.
tiny
tiny
tidy adj. 整洁的
depend v.依靠；依赖 =need help from
dependent adj. 依赖的
人们在日常生活中很依赖电脑。
People ________________________ too much in their daily lives.
别太依赖手机！
Don't be too dependent
on mobile phone.
depend on computer
When we were young, We depend on our parents.
电脑能以更快的速度计算。
Computer can calculate ______________ .
He is driving on the highway at a speed of 110km/h.
短语：at a high/low speed以高/低速
at a speed of ...km/h 以...时速
speed up 加速
at high speed
sped up
speed n. 速度
v. 加速 (sped，sped)
他们在快速奔跑，他突然加速，赢得第一名。
They are running ____________. He suddenly _______ and won the first place.
at a faster speed
My uncle works as ___________, he use the computer to ________ the railway, he must be careful with the__________.
爷爷生病了，需要做手术。
Grandpa is ill and needs to ______________.
operation n. 操作，手术
an operator
operation
operate
do an operation
make…work
operator n. 操作员
operate v. 操作，动手术
railway n. 铁路
highway n. 高速公路
subway n. 地铁
sell (sold,sold) v. 出售,售卖
seller n. 卖方----buyer 买方
sale n.出售；销售
salesman(-men) saleswoman(-women) 男/女售货员
a best-seller 畅销品
This model of computers are very popular, that is, they are the____________and our ______________(sell) ten of them, and now the rest are ________ , but we have other models_________.
短语：sell well 畅销 sell out 卖光
for sale待售 on sale 打折出售
这种型号的电脑受欢迎，也就是说是畅销品，昨天售货员卖出了十台这种类型的电脑,现在剩余的已经卖光了，还有其他型号待售。
best-sellers
salesmen sold
sold out
for sale
popular adj. 受喜爱的，受欢迎的；流行的
popularity n. 流行
这些流行歌曲很受青少年的喜爱。
These _________ songs are quite _______________ teenagers.
这款电脑比那台受欢迎。
This type of computers are ___________________ that one.
popular
popular with
more popular than
be popular with sb 受……欢迎
1. work as =be+职业 从事...工作
My father works as an engineer.
= My father is an engineer.
2. be unaware of(doing sth) 没意识到；
= not understand/ not realize/not know about
（反义）意识到 be aware of (doing) sth
3. in addition/ 除... 之外，逗号隔开，补充说明
in addition to sth 另外还有...
近义：what’s more/ moreover/ besides/ as well
4. look forward to sth/doing sth盼望做某事
I am looking forward to your early reply.
期盼你的早日回复。
She looks forward to travelling around the world.
in total 总计
total amount 总数
total n. 总额，总计
total adj. 总的 全部的
totally adv. 完全地，彻底地
In total, we bought 100 computers for our company.
The total amount of the computers is 100.
I totally understand what you mean.
基础巩固题 （一）( Unit 3)
根据要求写出相应的单词。
1. popular (比较级) ________________
2. speak (名词) _______________
3. mouse (复数) __________________
4. cheap (反义词) _________________
5. operate (名词) ________________
6. sell (过去式) __________________
7. control (过去式) __________________
8. inch (复数) ____________________
9.compare(名词) __________________　　　　　　
more popular
speaker
mouses / mice
expensive
sold
operation
controlled
inches
comparison
10. small (近义词)_____________
11.depend(形容词)_____________
12. popular(n.) _____________
13. aware(反义词) ____________
14.type(名词) _________
15.inch(复数) ________
pany（复数）___________
unaware
typist
inches
companies
tiny
dependent
popularity
II.根据划线部分在句中的意思，找出意思最接近的选项。
1. It is very small, so you can’t see it with your eyes.
A. big B. clever C. tiny D. nice
2. Some students always need help from English-Chinese dictionaries to learn English.
A. put on B. depend on
C. get on D. take on
3. Can you show me how to make that machine work
A. operate B. include C. check D. sell
4. You will not miss the early bus if you get up early. Also, it’s good for your health.
A. As well B. At first
C. And so on D. In addition
5. Jack wasn’t able to sing Chinese songs when he was five years old.
A. couldn’t B. needn’t
C. shouldn’t D. mustn’t
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)
tiny
depend on
In addition
operate
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.
C1
depend on expensive in addition speed
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.
expensive
speed
In addition
depend on
Complete the conversation below with the words from the box.
C2
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