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1、Unit 3 Computers Warming up and reading 1,Guess!,A toy?,A handbag?,Computers,I am very old now. I was born in China. Many people used me for calculating in the past, but now I am a bit lonely because they dont like me now. Do you know who I am?,abacus,Guess more:,I am very small. I can be used for c
2、alculating. In China, a lot of students use me when solving mathematical problems. Do you know who I am?,calculator,I can be used for calculating. Besides, I can also be used for watching DVD, sending e-mail and communicating through the Internet. However, I am not a PC, because Im small enough for
3、you to take me with you.,notebook computer,Do you know who I am?,abacus,calculator,A huge computer,PDA,laptop,A PC,A huge computer,A PC,PDA,laptop,abacus,calculator,An abacus A huge computer A calculator A PC A notebook computer,size,use,speed,invention,help work with numbers,How have computer chang
4、ed our lives? (What can you do using computers? ),Pre-reading,We can use the computer or Internet to:,play computer games listen to music watch movies communicate with my friends (MSN, QQ) search useful information (Google, Yahoo!) buy things I like (eBay, Taobao) type my homework draw pictures,Read
5、ing,Who Am I ?,Reading for general idea,Task1,Who am I? I am a computer. What does each paragraph tell us? Para. 1: Para. 2: Para. 3:,It tells us that the computer has been changed much over time.,It tells us that these changes only became possible as the memory of the computer improved.,It tells us
6、 that many new applications have been found for the computer since the 1970s.,Task 2,Reading for details, What was the computer called in different stages? 1. It began as a(n) _ in France in 1642. 2. About 200 years later it was built as a(n) _ by Charles Babbage. 3. In 1936 it was made to work as a
7、(n) _. 4. Later it was built as a _. 5. As a _, it has been used in offices and homes since the 1970s.,calculating machine,analytical machine,universal machine,PC(personal computer),laptop, What are the things that made the computers memory improved? _ _ _ _ _,tubes,transistors,World Wide Web,chips,
8、network, What new applications have we found for the computer since the 1970s? communication finance trade robots mobile phones medical operations space rockets providing human beings with a life of high quality,The main idea of the text The text mainly talks about the _ and _ of computers . And it
9、is also about the _ between computers and humans.,history,development,relationship,Consolidation(巩固）,Finish the timeline,Timeline 1642: _ _: The Analytical Machine was made by Charles Babbage. 1936: _ 1940s: _ _: The first family of computers was connected to each other. 1970s: _ Now: _,The computer
10、 began as a calculating machine.,1822,The computer grew rapidly both in size and in brainpower.,The computer had grown as large as a room.,1960s,Computers were brought into peoples homes.,Computers connect people all over the world together.,True or False? In 1642 I began as a calculating machine an
11、d could solve any mathematical problem. My real father was Charles Babbage, who wrote a book and build me in 1936. After I got my new transistors in the 1960s, I became smaller but cleverer and quicker. I was brought into peoples homes in the 1970s. Since my birth I have been built to take the place
12、 of human race.,F,F,T,T,F,Explain how the computer technology has been developing and complete the following chart. Then give a brief oral presentation on the development of computer technology with the help of the chart.,Changes of the machine,Calculating machine,Analytical machine,Universal machin
13、e,artificial intelligence,PC (desktop/ laptop),Internet,?,Group Discussion and Individual Report,What will computers look like in the future? 2. What can they do?,Appearance Future computer might look like a pocket book, and have no keyboard or mouse. ,Function Future computer will act as our friend
14、, and can talk with us. ,The computer of the future The computer is the most exciting invention of the 20th century. Over the years it has changed a lot. I think the future computer will look like a pocket book which can be carried everywhere with the owner. It will have no keyboard or mouse. What t
15、he owner needs to do is to tell the computer his or her wishes.,The computer of the future The computer will act as the our best friend. It will share happiness and sadness with the owner and help overcome difficulties. Besides, it is also a doctor that will take care of us. Certainly the future com
16、puter will be of different shapes and kinds and there will be more functions.,HOMEWORK,Write a short passage about Future Computer within 80 words. Read the text smoothly.,Language points,common,1. most widely known; ordinary:,He is a common sailor.,2. have nothing/little/something/ a lot in common,
17、At first, I think we only had one thing in common, but suddenly I felt we had a lot in common.,They have nothing in common with one another.,The two brothers had everything in common in their manners, but the two sisters have little in common.,In common with (like) many educated people he prefers cl
18、assic music to jazz.,4. in common : equally with or by all.,He and his bother own the firm in common.,In common with many other classmates, I like sports.,3. have. in common (with), share with,We just had nothing in common with each other and I couldnt communicate with his dull business friends.,5.
19、in common with : =like,2. I followed instructions from cards with holes.,follow: take or accept,I followed my teachers advice and paid more attention to my spoken English.,You will spend a lot if you always follow the fashion.,We should follow the example of the students who behave themselves.,Follo
20、w the road signs while driving.,Can you follow what I am saying?,in the following year =in the next year=in the year that follows,I began only as a calculating machine in 1642 in France. Then I n 1822 I was built was an Analytical Machine by Charles Babbage. I followed instructions from cards with h
21、oles. I know this sounds very simple, but at that time it was a technological revolution! My real father was Alan Turing, who in 1936 wrote a book to describe how computers could be made to work, and built a “universal machine” to solve any mathematical problem.,only,Analytical,technological,Earlier
22、 I was not very big, but then I became huge! However, people thought I was simple-minded until they discovered I had artificial intelligence.” Artificial! I dint know what they were talking about. Anyway, lets go back to my history. Then I was the size of a large room! As the years have gone by, I h
23、ave been made smaller and smaller.,simple-minded,No one could recognize me after I got my new transistors in the 1960s. There were times when my size was totally changed. I became small and thin but I got cleverer and cleverer , quicker and quicker. And my memory became so large that I couldnt belie
24、ve it! But I was always so lonely standing there by myself, until in the early 1960s, They gave me a family connected by a network. I could share information with others and we could talk to each other.,in the 1960s,that,lonely,At about the same time we learned to talk to humans using BASIC. I was b
25、rought into peoples homes in the 1970s. Since then, my family and I have been used by billions of people to deal with information and communicate with each other around the world by the Internet. I love being used to connect people who arent close enough to speak to each other. I have truly been bui
26、lt to serve the human race since my birth.,love being used,only,Only when the war was over, was he able to get back,He was able to get back to work only when the war was over.,: alone in kind or class; sole. : without anyone or anything else; alone: : at the very least:,Only I could do that experime
27、nt in that lab. I could only do that experiment in that lab. Only in that lab could I do that experiment .,If you would only come home. The story was only too true.,I only work here.,room for only one passenger,The _of the samples on the murder spot showed some valuable clues to the police. 2. Can y
28、ou _ the following sentences? 3.Last week our company bought an _ Machine. 4. The scientist _the milk and found it contained too much water.,analysis,Analytical,analyse,analyzed,analyze vt. 分析, 分解 The scientist analyzed the milk and found it contained too much water. 科学家分析了一下牛奶，发现里面含水分过多。 analysis n
29、. 分析，分解 ( pl. analyses ) analyzable adj. 可被分析的, 可以分解的,analytical,analysis analyzer (analyser) analyze (analyse),technology,technique(n.),1.This company is in great need of many_.,technologists,technologist,(person),(adj.),technical,2.To build this machine，you must have _ability.,technical,3. Do you
30、know the knowledge of agricultural_.,technique,simple-minded : showing very little intelligence,Richard is smart but he has a lot of simple-minded friends.,absent-minded open-minded narrow-minded single-minded strong-minded weak-minded noble-minded,心不在焉的 没有偏见的 心胸狭窄的 一心一意的 意志坚强的 低能的，愚蠢的 思想高尚的,No one
31、could recognize me after I got my new transistors in the 1960s.(or in the 1960s),在20 世纪50 年代,in/during the 1950s/1950s,在1950年,in 1950,在他40多岁时,in his forties,Its not rare in _ that people in _ fifties are going to university for further education. 90s;the B. the 90s;/ C. 90s; their D. the 90s;their,D
32、,And my memory became so large that I couldnt believe it!,The room is so large that it can hold at least fifty people.- This is such a large room that it can hold at least fifty people.-This is so large a room that it can hold fifty people.,The weather is so fine that we all want to go out.,It is su
33、ch fine weather that we all want to go out.,The computers are so useful that everybody wants to own one.,They are such useful computers that everybody wants to own one.,9.alone adj./adv. : by oneself, without others lonely adj. : unhappy because one is always away from his family or friends,1.) I am
34、 alone, but I never feel lonely. 2.)The old man lives alone in the lonely small mountain village. 3.) We have no idea why he left the company. Tom alone knows the secret.,I love being used to connect people who arent close enough to speak to each other.,love doing sth.,some other words followed by d
35、oing:,enjoy, mind, finish, admit, advise, consider, excuse, imagine, keep, include, risk, suggest, give up, put off, cant help, prevent, practise, insist on etc.,He admitted being stolen on the way to the company.,Homework: Read the text with the tape after class and retell the history of computer. Learning about language P19 Ex 1.2.3; P57 Ex 1.2,