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1、Unit 3,Computers,calculate universal simplify sum operator,vt. 计算 adj. 普遍的;宇宙的 vt. 简化 n. 总数;算术题;金额 n.(电脑)操作员; 接线员,logical logically technology technological revolution,adj. 合逻辑的;合情理的 adv. 逻辑上;合逻辑地; 有条理地 n. 工艺;科技;技术 adj. 科技的 n. 革命,artificial intelligence intelligent solve reality personal,adj. 人造的;假的
2、 n. 智力;聪明;智能 adj. 智能的;聪明的 vt. 解决;解答 n. 真实;事实;现实 adj. 私人的;个人的; 亲自的,personally tube total totally network,adv. 就个人而言;亲自 n. 管;管子;电子管 adj. 总的;整个的 n. 总数;合计 adv. 完全地;整个地 n. 网络;网状物,web application finance mobile rocket,n. 网 n. 应用;用途;申请 n. 金融;财经 n. 可移动的;机动的 n.火箭,explore anyhow (anyway) happiness human race,
3、vt. & vi. 探索;探测;探究 adv. 无论如何;即使如此; 至少 n. 幸福;快乐 人类,fromon as a result sothat,从时起 结果 如此以致于,Expressions preview,Do you know in what ways computers are used today? Work out a list and compare it with your partner.,Pre-reading,1. use a computer for school work 2. play games on the computer 3. send emails
4、 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,Look at these inventio
5、ns. Can you put them in an order according to the time when they appeared? After reading the passage, check to see if you were right.,( ) analytical machine ( ) laptop ( ) calculating machine ( ) robot ( ) PC ( ) universal machine,1,2,3,4,5,6,1) Who is the speaker in this story?,1. Fast reading for
6、general ideas,A computer.,Reading,WHO AM I?,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. It tells about the birth and development of computer.,I began as a calculating machine in France in 1642. My memory improved. Since the
7、 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?,In France. A universal machine. Since the 1970s many new applications have been found for me.,The computer began as a calculating
8、 machine,1936,The computer grew rapidly both in size and in brainpower.,Read the passage and finish the timeline below.,1960s,Computers were used in office and homes.,Computers connect people all over the world together.,The computer had grown as large as a room.,Read the passage again and complete
9、the chart below.,Discussion,In pairs discuss: How computers have changed our lives?,Brainstorm a list of things that you, your school and your family use computers for. Think about what you would have to do if you could not use computers any more.,Fill the word or expression for each of the followin
10、g meanings from the text.,1 _ complete change in ways of thinking, working, etc 2 _ connected computer system 3 _ to make things easier,revolution,network,simplify,Learning about Laguage,4 _ to find the answer using numbers 5 _can be moved easily from place to place 6 _ to work out the answer to a p
11、roblem 7 _to travel around an area to find out about it,calculate,mobile,solve,explore,8 _ completely 9 _ anyway 10 _ activity of managing money,totally,anyhow,finance,Complete the passage with the words below.,artificial technology intelligent applications explore Web reality logically,My brother w
12、as very interested in computers and enjoyed writing programs of his own. He used to download information from the Internet and made,good use of it. He liked to _ the World Wide _ and used the Internet to communicate with computer programmers all over the world. When he went to university he studied
13、IT (information _)and developed a special in _,explore,Web,technology,artificial,intelligence. After developing special _of the computer, he hopes to design an _ robot which can think _ and look like human being, but in _ he was a long way to go.,logically,applications,intelligent,reality,calculate
14、vt. work (sth.) out by using numbers 计算,e.g. calculate the cost of sth.,calculator n. 计算器,Language points,2. universal adj. existing everywhere or involving everyone 普遍的;通用的;宇宙的 universal rules 一般的原则 universe n. 宇宙; 万有; 世界; 全人类 Our world is but a small part of the universe. 我们的世界只是宇宙的一小部分。,3. simpli
15、fy vt to make something less complicated and therefore easier to do or understand 简化 The English in this story has been simplified to make it easier to understand. 这个故事里的英语被简写了,可更 容易理解。,4. logical adj. 合逻辑的;合清理的 a logical thinker 思想有逻辑性的人 a logical process 合理的程序 logically adv. 逻辑上; 有条理地 He acted log
16、ically under the circumstances. 在这种情况下他做事仍然很理智。 Logically, the decision is obvious. 从逻辑上,这项决定是明显的。,5. technology,technique (n.) technologist (person) technical (adj.) technological (adj.),1) This company is in great need of many _. 2) To build this machine, you must have _ability. 3) Do you know the kn