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高一英语必修二 Unit 3

Unit3 Computer
Period 1 Objectives 1.To help students learn to make decisions and to reason in English 2.To help students learn to read an introduction about computer 3.To help students

better understand “the computer science” 4.To help students learn to use some important words and expressions Step 1. Warming up 1.Can you tell the development of computers? P17 Look at the pictures.Talk about each of them. 2.What do they have in common ? 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. 3.Predict what it is going to be about. What’s next? 4.Can you give us the English names of a computer components (组件)? It is made up of some parts, such as… P56 Step2. Pre-reading 1.What can computer be used for? 2.Some Information about the computers and the internet hardware software host output programs memory, drives , desk-top computer business computer , digital movie , chat rooms ,net bar, chat bar ,On-line friends, be on-line, on the internet, down-load files, send and receive e-mail ,web fans , Internet sites E-mail box , electronic mail local Area Network, log in log out netizen Period 2/3 Reading Stp1. Skimming 1.Skimming to get general ideas 1). Who is the speaker in this story? 2). What’s the main idea of this passage? A. The development of computers. B. The development and use of computers. C. A machine which is simple-minded. D. Computers may replace human beings. 2. Look at these inventions. Can you put them in an order according to the time when they appeared? ( 2 ) analytical machine ( 5 ) laptop ( 1 ) calculating machine ( 6 ) robot ( 4 ) PC ( 3 ) universal machine 3 Look at the timeline below.Fill in the blanks with in-formation from the reading above. P19/1 Look at the timeline below.Fill in the blanks with in-formation from the reading above. Step2 . Scanning P19/2 Complete the chart below
高一英语,必修二,Unit 3 1

Step3 Discussion:p19 How computers have changed our lives/ 1.Brainstorm a list of things that you, your school and your family use computers for. I use the computer or Internet to: 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 2.Think about what people did before computers and make a chart below. List of use of computers email word processing search for information What people did before computers write letters write by hand or typewriter look in encyclopedia, library, etc

watch DVDs information

go to the cinema write everything down and out into files and folders

Step4 Learn some language focuses 1.In pairs discuss what they have in common. (what:所……的) =the things that 我住在你们所说的“古希腊”。 I lived in what you call “Ancient Greece”. what=the place that What I have heard has something in common with what you have seen. 我所听到的和你所看到的有相同之处。 这是我昨天(所)买的 This is ____________yesterday. 他所说的是真的______________________ 2. common adj. 普通的,常见的;共有的,共用的 the common people 老百姓 common knowledge 常识 Smith is a common name in England. They have a common goal. in common (with) (和……)一样=like have nothing /little /something / a lot in common (with sth/ sb) They are brothers, but they have nothing in common.
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In common with many people, he prefers classical music to pop music. Ex (1) ______ he gets up at 6:30. But today hegot up earlier than ______. A.Commonly; usual B. Normally; usually C. Usually; usual D. Usually; common (2) Are Mary and Susan ______ names for girls in English-speaking countries? A.usual B. common C. ordinary D. normal (3)The twin sisters have ______ with each other except that they look alike. A. a lot in common B. little in common C. nothing in common D. no common 2. calculate 计算 vt.[ work (sth.) out by using numbers ] e.g. calculate the cost of sth. calculator n. 计算器 calculation n. 计算 3. 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 4 .simplify v. 使…简化 [make more simple] 这个故事里的英语被简写了,可更容易理解。 The English in this story has been simplified to make it easier to understand. 5. sum 计算;总和;金额 a large (small ) sum / large (small) sums of money 巨额 / 小额的钱 She is good at sums.她擅长计算。 do a sum in one’s heart 心算 6.operate on sb. 给…动手术 operation n..手术 operator n. 7 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 在这种情况下他做事仍然很理智. He acted logically under the circumstances.。 从逻辑上,这项决定是明显的 Logically, the decision is obvious. 8. 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 technology modern management technique technology technique technological technical technologists 1) This company is in great need of many ____________. 2) To build this machine, you must have ________ability. 3) Do you know the knowledge of agricultural _________. 4)Many people call the age we live in the age of_______________ 5) Many people believe that____________advancement has brought more benefits to the society. 9. be considered (as/ to be)+a.(n.) / to have done) 认为…是/做过… consider it +adj./ n. + to do consider doing / 疑问词+ to do 考虑… The Great Wall is considered (to be/ as) one of the wonders in the world. We consider it impolite to talk while eating. We are considering trying a new learning method. Charles Babbage is generally considered _____ the first computer.
高一英语,必修二,Unit 3 3

A.to have invented B. inventing C. to invent D. having invented 10. artificial adj. 人造的; 假的 artificial flowers / limbs / pearls 假花 / 假肢 / 假珍珠 artificial intelligence 人工智能 11.intelligence n.智力;聪明 intelligence quotient 智商 an intelligence test 智力测验 intelligent adj.有智力的;聪明的;理解力强的 an intelligent reader 理解力强的读者 an intelligent reply 巧妙的答复 ①He is a person of great intelligence. 他是个极聪明的人。 ②海豚是有智力的动物。A dolphin is an intelligent animal. 12.solve vt. 解决;解答 solution n. solve a problem/ puzzle/ mystery the solution to the problem answer the question the answer to the question 13. from then /now on 从那时/现在起 From then on, the prince and princess lived happily. 从那時起,王子与公主就幸福地生活在一起。 From now on, I will listen carefully in class. 14.reality n. 现实 become a reality 实现 in reality=in fact 事实上 15.As time went by,…=With time going by as conj. +句子 : 随着 with prep.+(复合)宾语 go by ①(时间)过去,逝去②从……经过 ③遵循,以……来判断 go by = pass 经过,过去 As time goes by, my memory seems to get worse. Did you see a boy go by on a bicycle? That’s a good rule to go by. (1) As time________, she became more and more anxious about her son's safety. A. passing B. going by C. going D. goes by (2)With the time________, our anxiety grew. A. goes by B. going by C.has gone by D.had gone by (3)Three months__________ before we knew it. A. pass B. went C. went by D. past (4)As the city develops, more and more waste will be produced. __________the city’s ____________, more and more waste will be produced. 16 .store v 贮藏,存储 Squirrels are storing up nuts for the winter. A mass of data is stored in the computer.. 17. As a result (of) (作为……的)结果(顶尖) The boy worked hard. __________, he passed the examinations. _____________ the pilots’strike, all flights have had to be cancelled. 18.totally adv. = completely
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我完全同意你的看法。 I totally agree with you. total a. 1). 总计的,总括的,全体的 日本的总人口为多少? What is the total population of Japan? 2). 完全的,绝对的 His plan ended in total failure. total n .总数;合计[C] 他们的花费总计一千英镑。Their expenses reached a total of 1,000 pounds. in total 总共 Their expenses reached 1,000 pounds in total. 19. (1)so…that 引导结果状语从句,其结构是: so+ adj/adv.+that-c1ause so+ adj.+a(n)+单数可数名词+that-clause so+ many/few+可数名词复数+that-clause so+ much/little (少) +不可数名词+that-clause (2)such…that 也可引导结果状语从句,其结构是: such-+ a(n)+ adj.+单数可数名词+that-clause such+ (adj.)+不可数名词+that-clause such+ (adj.)+可数名词复数+that-clause (如果后面的词被 many, much, few, little(少) 修饰的话,就一定用 so, 但 so little water 这么少的水 such little children 这么小的孩子 EX: She is ______a good teacher that we all like her. 她是那么好的一位老师,我们大家都喜欢她。 =She is_____good a teacher that we all like her. Tom made _____ great progress that his father was very proud of him. They are _____good students that we all like them. There are _____ few mistakes in his composition that the teacher praised him. 当 such 被 no 修饰时,单数名词前不要不定冠词。 No such thing has happened. 这种事没发生过。 3) so? that?: 如此….以致于…. so that …: 1) 以致于,结果是;2) 以便,为的是(in order that) 他起床晚了,以致于不能按时到校。He got up late, so that he didn’t get to school on time. 我们早点离开为的是赶上第一班车。We left early so that we could catch the first bus. 4)so… that… 如此……以致于…… 与 too…to… 句型的相互转换 Eg. He is so old that he can’t carry the bag.=He is too old to carry the bag. 注: 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 20. Connect 连接;联系 Connect the speakers to the record player. They didn’t connect her with the crime. The bridge connects the village with that town. This train connects with another at Shanghai. relate?to? / connect? with?/ associate?with?/ link…to… 把…和…联系起来 21. share… with…和……分享(共有)??vt I shared a room with her at college. Stubbornness was a characteristic he shared with his mother.
高一英语,必修二,Unit 3 5

share in sth. 分享……vi. My wife shared with me in distress. 共患难。 We shared in his joy/ happiness. n. 份额,分摊,参加,股票,股份 Everyone will get a share of the profits. Your share of the cost of living is $100. He had no share in stealing money. I have 10,000 shares in the company. go shares 平分,合伙,分担 22. Anyhow=anyway 无论如何;不管怎样; 即使如此;总之;至少(顶尖) I don’t know if it was lost or stolen; anyhow, it’s gone. Anyhow, I must finish the work today. Anyhow, you can try. 至少你可以试试。 --Would you like me to help you with those heavy bags? --I can manage it myself. Thank you ____. A.though B. someway C. anyway D. the same way 23. goal n. 目标;目的;球门 (顶尖) get /make/score a goal 得一分/进一球 kick a goal. 踢进一球 win by two goals 以两球获胜 keep goal 守球门/当守门员 achieve/reach a(one’s) goal 达到目标 set sb. a goal 为…树立目标 one's goal in life 生活的目标 a common goal 一个共同的目标 24. provide sb with sth= provide sth for sb. This has provided police with an important clue(线索). = This has provided an important clue for police. supply sb with sth= supply sth to sb offer sb sth = offer sth to sb 25. be filled with…= be full of…充满…… The sky is filled with our laughter. Fill the bottle with water. 26 .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 Period 4 (The Present Perfect Passive Voice) Objectives 1.To help students build their word power by means of word formation 2.To help students understand and use the present perfect passive voice Step 1. Learning about language In pairs do the exercises 1, 2 and 3 on page 20. Step 2.Understanding the structure of the present perfect passive voice The structure of the present perfect passive voice is:“ have/ has + been+~ed” 现在完成时的被动语态表示动作发生在过去, 到现在已经完成或对现在仍有影响。 (1).副词的位置
高一英语,必修二,Unit 3 6

often, usually, always, never, hardly, seldom 等副词置于 have/has 和 been 中间。如: [误] Such a man has been hardly believed. [正] Such a man has hardly been believed. (2). 并不是所有动词都有被动语态 1) happen, take place, break out, belong to, cost, last 等不及物动词或词组无被动语态。如 [误] Great changes have been taken place in China since 1978. [正] Great changes have taken place in China since 1978. (3) 把主动语态中的主语放在介词 by 之后作宾语, 将主格改为宾格。例如: All the people laughed at him.→He was laughed at by all people. (4) 双宾语动词变被动语态可将其中的一个宾语变为主语,另一个保留不动。 主动:I have given him the key. →被动:He has been given the key. 被动:The key has been given (to) him. (5) 带复合宾语的动词变被动语态时, 只能将宾语变为主语, 原来的宾补保留不动,改称主语补 足语。 主动:I have asked her to help you→被动:She has been asked to help you. Step 3. Reading aloud and discovering Now go back to page 18 to read aloud and discover in the text all examples of the Present Perfect Passive Voice. As the years have gone by, I have been made smaller and smaller. Since then, my family and I have been used by billions of people to deal with information with each other around the world by the Internet. Step 4. Discovering useful structure We shall do grammar exercises 1, 2 and 3 on page 21. Step5 Using language.----listening and speaking Discussion Get Ss to discuss the advantages and disadvantages of IT. Have Ss make up dialogues in Ex4 at Page 22,using the expressions The advantage / disadvantage is …I think / don’t think that … What’s your reason? What makes you think so …I think … because (of) … I believe that … I agree / don’t agree … because … First .… Second … I’ve decided that… As / Since …, I think … Learn the words in it (1)advantage n. 优点; 优势; 有利条件 Rich has an advantage over you since he can speak German. 理奇比你占优势, 因为他会讲德语。 take advantage of 利用 be to your advantage 对……有利 disadvantage n. 缺点, 劣势; 不利条件 Period5 (ANDY— THE ANDROID) Objectives To help students read an article about android To help students write a short passage about their own android Step 1. Reading, underlining and speaking
高一英语,必修二,Unit 3 7

1.It is said that computers could be put into androids or robots. Read the text Andy—The Android, underlining all the expressions and think of the fun you could have! 2. What does Andy look like? What can it do? Andy looks like a human. It is designed to play football games and can move and think like a human. 3. What part does Andy play in the football team? He’s a striker. Step2 .Learn some useful expressions 1 .part of 一部分 a part of 一小部分 Eg. Part of milk is to be put into the fridge. Part of students come from Cuba. 2 signal vi. & vt. 发信号 n. 信号 A red lamp is often a danger signal. 红灯常常是危险的信号。 The police signaled the traffic to move forward slowly. 警察向来往车辆打信号,示意缓慢前行。 3. personally adv. 就自己而言; 就我个人来说 She didn’t like the plan, but personally I see nothing wrong with it. 她不喜欢这项计划, 但我本人觉得没什么不好的。 person (n)--personal (adj.)--personally (adv) 4.type ① n. 类型 This is a new type of machine, with lots of meters on it. 这是一种新型的机器, 上面有许多仪表。 I don’t think she’s the artistic type. 我认为她不属艺术家那类的人。 ②vt. & vi. 打字 Will you please type this letter for me? 你帮我打一下这封信好吗? ③type:表示各项事物在本类中都是典型的。 kind:特指在分类中能放在一起的性质相同且相似的一类事物。 5. in a way 在某种程度上 eg . In a way, you’re right. 从某一点上看你是对的。 in the way of 挡……的道;妨碍 on the/one’s way (to) 在(去……)的路上 by the way 顺便提一下 in no way 决不 all the way 自始自终;完全地 in this way 用这种方法 6. arise (arose, arisen) vi. 出现;发生 An opportunity has arisen. 机会来了。A new difficulty has arisen. 出现了新困难。 The problem may not arise, but there’s no harm in keeping our power dry. 问题不一定会发生, 但有备无患并无害处。 Traffic accidents arise from carelessness. 7.She programs us with all the possible moves she has seen while watching human games. (顶尖) 1) move (n.) 行动; 步骤 (可数) What’s our next move? make a move 动身, 采取行动 be on the move 在活动, 在行进中 2) while watching… = while she watches… 8. make up 组成;构成;编造;弥补; 化妆
高一英语,必修二,Unit 3 8

We need $50 to make up the sum required. ( ) She spent an hour making herself up before the party.( ) You must make up what you owe before the end of this month. ( ) make up for lost time ( ) make up a bed ( ) Sixty students make up our class. ( ) Society is made up of people of different abilities.( ) The criminal made up a story about where he was when the crime happened( ) Please make up a new dialogue according to the text( ) 11. after all 毕竟; 到底; 终究 1) 有“别忘了”的意思 2) 放在句末, “虽然有前面说过的话”或“与预料中的情况相反”的意思 So you made it after all! 你毕竟成功了! After all, what does it matter? 归根结底, 那又有什么关系呢? 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 (1) ____, 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. 12. with the help of 在……的帮助下 Eg. With the help of the teacher, I have made rapid progress in my English study. 在老师的帮助下, 我的英语进步很快。 13. deal with vi. 处理;安排;对付=do with vt. Eg 1) I have a matter of importance to deal with. 我有要事要处理。 2) I think we should work out a strategy to deal with this situation. 我想我们应该制订出一项行动计划,用来对付这种情况。 14. watch over 看守; 监视 They were watched over by three policemen. watch out (for) 当心; 注意 watch for sb./sth. 观察等待 keep a watch on 监视 under the close watch 在严密的监视下

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