Unit 3 Computers
Warming up, Talking and Listening
Do you know them?
keyboard
mouse
floppy disc
USB flash disc
CD/DVD/VCD
CD / DVD-ROM
monitor
hard disc
chips
1
2
4
3
5
6
1. monitor 2. screen 3. CD-ROM
4. mouse 5. keyboard 6. hard disk
Label each part
abacus
huge computer
calculator
PC
(Personal computer)
laptop
PDA
(personal digital assistant)
robot
What’s next?
What do they tell you about the development of computers?
1. What do they have in common?
I think that…
In my opinion…
I believe that…
1. They can be used for calculating.
2. They can deal with maths problems.
3. They are our friends.
4. They are useful and helpful.
Discussion One
Do you know in what ways computers are used today? Work out a list and compare it with your partner.
Discussion Two
1. use a computer for school work
2. play games on the computer
3. send emails to friends
4. download music and films
5. surf the web for fun
6. take part in chat groups
7. use the Internet to research information for school tasks
8. buy things on line
9. look at photographs on the computer
10. read news both at home and abroad, read books and magazines
in common: for or by all of a group
共同的；共有的；共用的
常常have …in common with… 如：
have nothing in common 无共同之处
have little in common 几乎无共同之处
have something in common 有一些共同之处
have a lot/much in common 有许多共同之处
Language points
1) You know, Dorothy, I have one thing in common with you．
2) I have noting in common with him, so how can I get along well with him.
3) In common with many other classmates, I like playing basketball.
common knowledge/ sense 常识
common people 普通人，老百姓
Reading
1. Fast reading for general ideas
1) Who is the speaker in this story?
A computer.
2) Reading to get the general idea of the type of writing and summary of WHO AM I?
This is a piece of narrative writing. 记叙文
It tells about the birth
and development of
computer.
I began as a calculating machine in France in 1642.

My memory improved.
Since the 1970s many new applications have been found for me.
2. Detailed reading
1) Where were you in 1642?

2) What were you called in 1936?

3) What happened to you in the 1970s?
Since the 1970s I have been used in offices and homes.
In France.
A universal machine.
The computer began as a calculating machine．
1840s
Alan Turing wrote a book about how computer could be made to work as a “universal machine” to solve any difficult mathematical problem.
Please fill in the table
1960s
Many new applications have been found for computer.
Computers connect people all over the world together.
Computer had grown as large as a room.
Discussion
How computers have changed our lives?
Advantages VS. Disadvantages
1. At that time it was considered a technological revolution.
technological adj. ---technology n.
technical adj. ---technique n.
technology指总的科学技术（抽象）
technique指小的技术，技巧（具体）
Eg. Science and ______
modern management ________
Language points
technology
technique
2. artificial adj. 人造的，假的
artificial intelligence 人工智能
artificial flowers/pearls/smile 假花/假珍珠/假笑
3. solve vt. ---solution n.
solve a problem/ puzzle/ mystery
the solution to the problem
answer the question
the answer to the question
4. from…on 从……时起
从那時起，王子与公主就幸福地生活在一起。
From then on, the prince and princess
lived happily.
From now on, I will listen carefully in class.
5. By the 1940s, I had grown as large as a room, and I wondered if I would grow any larger.
by 加时间，一般用完成时态
By the end of 2009, I __________ for ten years.
By the time I was fifteen, I ___________ my dream.
as…原形…as…，和…一样
not as/ so …as…, 不如
The room is as large as that room.
The room is three times as large as that room.
The room is twice larger than that room.
The room is three times the size of that room.
可修饰比较级的词a bit, a little, rather, much, far, a lot, a great deal, any, still, even, by far等
注意：quite, very 不能修饰比较级
1. That box is ___________ mine.
A. as heavy twice as B. twice so heavy as
C. twice as heavy as D. twice as heavier as
2. Does he get ______ better?
much B. more C. very D. any
6. as time went by, I was…
as time goes by = with time going by
随着时间流逝，他通过努力在英语上取得了很大进步。
As time goes by, he makes great progress in English because of his hard work.
7. as a result 结果
1) 他不用功, 结果考试不及格。
He didn’t work hard, as a result he failed his exam.
as a result of … … 的结果，由于
2)由于大雪他迟到了。
He was late as a result of the snow.
3)由于政府缩减经费的缘故，有五百人被突然解雇了。
Five hundred people were fired as a result of government spending cuts.
8. so… that…　如此……以致于……
such…that…
eg. He is so old a man that he can’t carry the box .
He is such an old man that he can’t carry the box.
They are _____ beautiful flowers that we all like them.
They are ____ beautiful flowers ___we all like.
so...that...结构的so+形容词/副词位于句首时，句子用倒装结构。
So hard does he work that he seldom goes home.
There are ___ many books ___ we can’t afford them.
There are____ many books ___ we can’t afford.
(many, much , few, little(少）前只能用so)
adj./adv.
so + adj. +a/an +单数名词 that…
many/much/few/little(少)

a/an adj. +单数可数名词
such+ adj.+复数可数名词 that
adj.+不可数名词
9. anyhow=anyway
adv. 无论如何；即使如此；至少
1) I couldn’t think of the name of that man anyhow.
2)至少你可以试试。
Anyhow, you can try.
3)无论如何，我必须说出真相。
Anyhow I must tell the truth.
区别someway, somehow以某种方式，不知怎么的
Somehow, he was afraid of his English teacher.
10. the human race 人类
1) Is the human race threatened with complete extinction?
人类是否会受到完全灭绝的威胁呢？
人类：the human race 谓语单数
human beings/ a human being 可数
mankind/ man前不加冠词，谓语单数
11. truly adv.----true adj. ---truth n.
yours truly. 用于信末=yours sincerely
to tell you the truth 说实话
12. begin as= start as后面加职业，身份
begin with= start with 后面加方式，手段
He began ________ a teacher.
That class began ________ a favorite song.
end up with+方式/ end up in+结果
11. give sth. away to sb.
…give its computers away to a local school
He gave away most of his money to charity.捐赠
The principle gave away the prizes to her.颁发
He gave away our secret to our teacher.泄露
His nervousness gave him away. 出卖
引申give 短语
give up
give in (to sb.)
give back
give out
give off
放弃
投降，屈服；上交=hand in
归还=return
分发；释放（热）；用完 vi.
释放（味道.热）
12. personally = in one’s opinion= as far as one is concerned
Personally, I think you are right.
13. in a way=in one way=in some ways在某种程度上
in the way挡道
in this way用这种方法（by this means)
on the/one’s way (to…)去…的路上
by the way顺便说一下
14. arise---arose---arisen vi.出现
An opportunity has arisen.
arise from 有…引起
Traffic accidents arise from carelessness.
区别rise, raise
15.make up
形成，组成，构成
One hundred years make up a century.
One century is made up of one hundred years.
虚构, 捏造, 编造
The boy made up a story; it was not true.
made up an excuse. 编造借口
化妆；化装
She made up her face to look prettier.
偿还,补偿
You must make up what you owe before the end of this month.
make up for lost time
整理；收拾
make up a bed
18 after all
终究； 毕竟 (放在句子的末尾表示出乎意料)
It has turned out to be a nice day after all.
So you see I was right after all!
记着；记住 (放在句首表示别忘了某个重要的理由)
I know he hasn't finished, but after all, he is very busy.
above all 重要的是，特别是，尤其　（强调重要性）
first of all　首先，第一（强调排列顺序）
at all　（常用于否定句和条件句加强语气)
in all 总共, 总计
____, he refused to make any personal gain from his political work.
(2) Strange to say, he did pass his driving test _____.
(3) There were fifteen of us ______.
(4) If you know anything _____ about it, you should tell us.
(5) ____, we should sweep the floor.