Who am I ?

3

2

1

1. How many pictures have you seen? 2.Can you remember what they are?

PDA abacus calculator huge computer PC laptop 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 useful and helpful. Discussion

PDA abacus calculator huge computer PC laptop What’s next?

仿真机器人 What’s next?

carry things work in wars ( 战斗 )

work for us in Mars( 火星 ) 25

Who am I ?

3.Find out topic sentences of each paragraph. 1.Over time I have changed quite a lot. 2.These changes only became possible as my memory improved. 3.Since the 1970s many new applications have been found for me. 2.Get the main idea of the passage. The ___________ and__________ of computers developmentapplications 1.Who am I ? I am a ________.computer Personification( 拟人） —simple, vivid( 生动的 ), interesting Task 1: skimming

Task 2 Scanning Read Para. 1 in 3 mins and find out the development of computers. I’ll give you some clue( 线索 ). The machine is introducing itself mainly according to _______? A. function B. time C. size

1936 (1822 ) s Later a calculating machine an analytical machine Charles Babbage a universal machine Alan Turing a huge computer, as large as a room, a personal computer and a laptop, and used in offices and homes since the 1970s… Over time I have changed quite a lot. 30

Para. 2

technical words chip （芯片） chip （芯片） transistor （晶体管） tube( 电子管）

network （网络） the World Wide Web （万维网）

Para. 2 Read it in 2 mins and use another minute to put forward a question for your classmates. 35

Para.3 Find some supporting details for the topic sentence in 1 minute. Since the 1970s many new applications have been found for me.

communications finance trade robots mobile phones medical operations space rockets exploring the Moon and Mars my goal is to provide humans with a life of good quality.

Name : computer Born : (time)_______ (place) __________ My real father: _______________ My size: 1._______________( in the past) 2.____________________(modern) My history: ___________machine __________machine __________machine s ______________ s _______ and ______ My memory: _____ ______________ _____ My applications: _______________; ________; _______________; ________; _______________; ______________; _______________ France Alan Turing huge smaller and smaller analytical calculating universal laptop PC tubestransistorschips communication finance robot mobile phone space rocket medical operation trade huge computer Retell it with the first person 38 A summary

Time order (logic) Find out the time phrases words or sentences used in the text. Over time, It took …..before….. After…. At that time, From then on, By the 1940s, As time went by, First, then as my memory improved, As I grew older, Until in the early 1960s, Since the 1970s What’s the type of the passage? A. Argumentation 议论 B. Narrative 记叙 C. Exposition 说明

We can use the computer to do a lot of things. listen to musicWatch movies search for … communicate with… do shopping

What are the advantages and disadvantages of the computers? Discussion (in groups)

school work games s music and films chat information photos shopping advantages disadvantages : 1. waste too much time in playing computer games. 2.may be cheated ( 欺骗 ) on line. 3. bad for our eyes and health if we spend long time on it.

Advanced words and phrases Obviously/admittedly be beneficial to sb It is convenient for sb to do sth A source of information A popular trend Be addicted to sth be harmful to a waste of time Prevent people from communicating with each other face to face The two-edged sword,which makes/enables/helps….. It is how to strike a balance between a and dis that counts It is essential that….. Only when we adopt an appropriate attitude towards ….can it serves us well

What have you learned? summary ( 小结 )

Homework 某英文报 “ 读者来信 ” 专栏正在就高三学生家 长是否应该为孩子购置电脑这一话题开展讨论。 有赞同的，也有反对的。请你向该报编辑写一 封英文信，发表你的观点。 要求：条理清楚、行文流畅 字数 100 左右

What is it in English?? Main board( 主板 )

What is it in English? CPU (central processing unit) 中央处理器

What is it in English? hard disc 硬盘

What is it in English? Keyboard ( 键盘 )

Monitor 显示器 Screen 屏幕

What is it in English? mouse 鼠标

DVD ROM 数字通用光盘 What is it in English?