2. Unit 3 Computers

3. WORD STUDY Match the words with their meanings!

4. calculate simple-minded technological revolution artificial intelligence mathematical analytical A made or produced by man; not real B of maths C unable to understand difficult things D power of learning, understanding and reasoning; mental ability E of the study of something by examining its parts and their relationship F complete change in scientific field G work something out by using numbers G C F A D B E

5. Make a survey 1) Ask at least six classmates the following two questions and take notes: How often do Ss. use computers? What do they use computers to do? 2) Make a short report in this way: On an average, they use computers ______ times a week. They mainly use computers to/ in __________.

6. An abacus A huge computer A calculator A PC A notebook computer Sth. in common differences size use speed invention help work with numbers

7. Reading comprehension Fast reading: ---Get the main idea. ---Find out “Who/What am I”.

8. *The main idea of the Reading: It tells us the ________ and __________of computers. historydevelopment *I am _____________. a computer

9. Careful reading ---Finish the timeline on Page19

10. Timeline 1642: _______________________________________ ____: The Analytical Machine was made by Charles Babbage. 1936: __________________________________ 1960s: ______________________________________ _____: The first family of computers was connected to each other. 1970s: ______________________________________ Now: _______________________________________ The computer began as a calculating machine. 1822 Alan Turing wrote a book to describe how computers could be made. Computers had new transistors and became smaller. 1960s Computers were brought into people’s homes. Computers connect people all over the world together.

11. Activity: An interview Suppose you are a reporter. Now you are interviewing Mr./Miss Computer. Work with your group members to think out some interesting questions. Sample questions: * What is your newest function( 功能） ? *Can you say something about your future plan? *What do you like to eat? *What are your hobbies?

12. Work with your partners to practise this interview. One acts as Mr./Miss Computer, and the other the reporters.

13. Sentence focus: 1.I follow instructions from cards with holes. 我执 行穿孔卡的命令。 2. 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. 3.As the years have gone by, I have been made smaller and smaller. as 此处引导时间状语从句，意为 “ 随着 …”;

14. 4. I was always so lonely standing there by myself, … standing there by myself 是 v.ing 形式做伴随状语 5. …they gave me a family connected by a network. connected by a network 是过去分词短语做定语， 修饰 family, 相当于定从： which was connected by a network. 6. At about the same time we learned to talk to humans using BASIC. using BASIC 是 v.ing 形式做方式状语，表示 “ 通过 用 …”; 相当于 “by using …” 。