1、Unit 3 Computers -基础教案 一、key words order n. 订货，订购 May I take your order?可以为您点餐吗？ v. 订购 Our school ordered some new computers. v. 命令 order sb. to do sth. The teacher ordered us to take notes. compare v. 比较，对比 Please compare the two bags. I have compared the prices in the two shops. compare A with B 比
2、较 A 和 B: Please compare your handwriting with Toms. compare A to B 把 A 比作 B: A teachers work is often compared to a candle. control v. 操作，控制 This switch controls the lights in the hall. Your brain controls the rest of your body. n. 控制 under the control 在 .的控制下 out of control 失去控制 in control of 掌控 .
3、lose control 失去控制 depend v.依靠，依赖 depend on sb./sth 依赖. She still depends on her parents for money because she hasnt got a job. adj. dependent 依赖的 be dependent on . 依赖于. Her success is dependent on her hard work. operate v. 操作，控制 The expert will come and teach us how to operate the machine. v. 动手术 op
4、erate on. 给.动手术 The doctor will operate on her leg tomorrow. n. operation 手术 (可数) work as 从事.工作 My father is a doctor.=My father works as a doctor. work 的其他短语： work out 计算出 work for 为.效力 work on 从事于.；继续工作 work with 与.共事； 对.有效 work hard 工作努力，学习努力 at work 在上班 hard work 努力的工作； 艰难的工作 look forward to 盼望，
5、期待 look forward to sth : 盼望. We are looking for your reply. (your coming) look forward to doing(to 为介词)：盼望做. Im looking forward to seeing you. 新单词强化训练 1. He_(订购)himself three new coats. 2. I dont know how the computer _(运行，控制). 3. We drove at a _(速度)of 50 kilometers an hour. 4. The animals are kept
6、in _(小的)cages and can hardly move at all. 5. If I want to write fast, I must learn to _(打字). 6. We shouldnt _(依靠)too much on our parents. 7. One-child policy has worked well in _(控制)of Chinas population. 8. The _(大脑 )is the organ of thought. 9. Add the figures(数) together and find the _(总数). 10. Wha
7、t was the _(价钱)of your new car? 11. Mr. Jones works for a _(公司)which makes cars. 12. The song has become very _(刘星的，受欢迎的) 13. Ann _(卖)me her old piano. 14. -Im looking forward to _holiday in Hainan. -So am I. A. have B. take C. having D. taking 15. -How do you learn English so well? -_chatting with
8、my uncle in America online. A. For B. By C. In D. With 16. You may ask him for _about that. A. an information B. informations C. some information D. some informations 17. -What do you want to be in the f_? -I want to be a teacher. 18. My friend Jane went to America two years ago, and I am _seeing he
9、r again. 19. Wait before you buy that computer. Lets c_ prices at another store. 20. 二、句型详解 1. You never seem to be short of money. never 频度副词， “从不” ，放在主语和行为动词之间；或者情系助之后，行为动词之前。 回 忆其他频度副词还有那些？ eg: She never goes to the cinema. eg: I have never broken my promise. seem v. 似乎，好像 seem 的用法结构很多，大家先掌握下列 4
10、中即可： 1) seem 作系动词，seem+ adj.构成系表结构。Everyone seems happy. 2) seem + n: He seems an honest man. 3) seem +不定式，seem to do=It seems that 从句 He seems to have many friends. =It seems that _. 4) seem like,似乎，好像 It seems like years since I last saw you. be short of 短缺，缺乏 近义短语：a lack of . 缺乏. eg: Im short of
11、money these days. eg: His lack of experience led to the mistake. 2. You may be unaware of them. may 情态动词“可能” ，后接动词原形。 Human beings may live on the moon in the future. 【辨析】may be 与 maybe may be 是 情态动词+动词原形 be,在句中作谓语部分。 eg： There may be tiny computers in your home. maybe “可能，也许” ，近义词：perhaps, possibly
12、, probably,可放于句首,或放在情系助之后。 eg： Maybe there is a tiny computer in your home. Maybe, she has changed her mind. be unaware of 未察觉，没意识到 eg： He was unaware of the danger. 反义短语：be aware of 察觉到， 意识到 eg： He wasnt aware of the danger. 3. We can use computer to calculate. use sth to do sth 使用.去做 . eg: We shou
13、ld learn to use computers to study. use sth for doing sth 使用.做. eg: We should learn to use computers for studying. 被动：sth is used to do 或 sth is used for doing eg：Bags are used to collect things. 或 Bags are used for collecting things. 4. In addition, computers can do important jobs like operating ra
14、ilways and flying planes. in addition 此外，还有. = and.as well eg: We had fun. In addition, we learnt a lot. She plays the guitar, and in addition, she writes her own songs. = She plays the guitar, and she writes her own songs as well. in addition to =besides 除.以外,还有. eg: He speaks five other languages
15、in addition to English. ( =besides) like 介词“像” Do it like this! 5. For example, they may be better than doctors at doing their jobs. =For example, they may be better at doing their jobs than doctors. be good at 擅长., 比较级形式： be better at 更擅长. =do well in =do better in eg: Joy is good at Maths, and she
16、 is better at English. She is not only good at listening but also good at speaking. 6. What will happen to us if computers can do all our jobs? happen vi.发生 常用结构 1: sth happened sth has happened sth is/was happening What is happening? There are so many people. 常用结构 2：sth happen to sb. What happened
17、to you last night? 常用结构 3：happen to +动词原形 碰巧做. He happened to hear that when he was walking past. 7. Computers may change our lives, but will they make them better? change ones life 改变某人的生活 eg：What he has done changed his wifes life. make sth +adj. 使.怎么样 eg：We can make the garden more beautiful. 8.
18、The lightest model costs 2,530. cost 花费，值(cost-cost) 结构 1：sth costs sm. 某物值.钱 结构 2：sth costs sb sm. eg: The book costs me 20 dollars. 其他 “花费 ”的表达，同学们赶紧想想吧！ 9. They play computer games all day without stopping to drink, eat and sleep. without 介词“没有”without doing 没有做. eg: He left without saying anythi
19、ng. stop v.停止 stop doing 停止做. stop to do 停下来去做. eg: You must stop playing computer games. And you should stop to study hard. 10. Its made of leather. 短语: be made of 由.制成（未经质变，看得见原材料） eg: The desk is made of wood. 【拓展】： be made from 由.制成 发生了化学变化，看不出原料 Wine is made from grapes. be made into .可以制成 . 谈论
20、原料可以制成何物 Grapes can be made into wine. be made in 在 .地制造 in 后接 产地 Benz is made in Germany. 11. I hope we can work together to stop students from spending too much time playing computer games. stop sb. from doing sth 阻止 sb.做. 此时，stop 可换为 prevent, keep eg: We must stop people from driving after drinki
21、ng. spend st doing sth 花时间做. eg: His son often spends less time doing homework but more time playing. 三、key phrases 1. be short of 2. one of 3. in the 1940s 4. be unaware of 5. depend on 6. use computer to calculate 7. at a faster speed 8. give wrong answers 9. in addition=besides 10. operate railwa
22、ys 11. be able to 12. human beings 13. for example 14. be good/better at doing sth 15. happen to sb 16. have nothing to do 17. change our lives(life) 18. make our lives better 19. tiny=very small 20. depend on=need help from sb 21. and.as well=in addition 22. make.work= operate 23. sub-heading 副标题 2
23、4. maybe 与 may be 25. grand total 26. be made of leather/plastic 27. shop for=buy 28. certainly 行 (用于回答). 29. What do you think of computers? 30. desktop 台式电脑 laptop 笔记本电脑 palmtop 掌上电脑 flat computer 平板电脑 31. on the computer 32. on the Internet 33. look forward to your reply 34. Thank you attending t
24、his meeting 35. stop to do 36. used to play outside 37. in front of computers 38. This is bad for your health. 39. give some advice on how to use computer 40. I hope we can stop students from spending too much time playing computer games. 41. type in keywords 42. abacas 算盘 43. in ancient China 在中国古代
25、 基础知识巩固练习 一、单项填空 1. I think English is _easier than any other subject. A. a little B. a bit of C. a lot D. a lot of 2. He _watches TV. A. sometimes B. sometime C. some time D. some times 3. -Your coat looks nice. What is it _? -Cotton. A. made of B. made in C. made from D. make up 4. -There _little
26、fresh water_. -Dont worry. Well soon walk out of the desert. A. has, drinking B. are, to drink C. is, to drink D. have, drinking 5. -How much did you pay for the new car? -It_ me more than 300,000yuan. A. cost B. spend C. made D. paid 6. -What does Adam think of his brother? -_. A. He isnt like him.
27、 B. He doesnt think his brother. C. He thinks he is very honest. D. His brother is younger. 7. -Are you able to swim in the river? -_. A. Im afraid of that B. Im afraid to swim C. Im afraid not D. Im not afraid 8. I cant hear you. Because there is _noise here. A. very much B. too much C. much too D.
28、 so many 9. Mrs. Green asked us to stop _. So we stopped _to hear at once. A. talking, listening B. to talk, listening C. talking, to listen D. to talk, listen 10. -Why are you standing there, Mary? -I cant see the blackboard clearly. Two tall boys are sitting _me. A. behind B. in front of C. beside
29、 D. next to 11. It is bad for your study _computer games. A. to play B. playing C. plays D. play 12. -How do you communicate with your foreign friends? -_writhing emails, of course. A. With B. By C. At D. From 13. -I am going to Paris to watch the Fashion Show next month. -_ A. Have a good time B. I
30、ts terrible C. Good job D. What a pity 14. My handwriting cannot be compared _my fathers. A. about B. with C. on D. for 15. They are going to have a picnic_ next week. A. sometime B. some time C. sometimes D. some times 16. -Have you ever been to Disneyland? -No, _. I hope I can go there next year.
31、A. always B. sometimes C. never D. often 17. Whether Ill go to Shanghai_ the result of the examination. A. belongs to B. cares about C. depends on D. aims at 18. -What do you think of the sweater? -Its too _, and I cant afford it. A. nice B. lovely C. popular D. expensive 19. I have two_. I can let
32、you have one. A. mouse B. mouses C. mice D. mices 20. -What does your mother do? -My mother works_ a nurse. A. on B. for C. with D. as 21. The woman looked sad. Something must happen _ her. A. to B. with C. for D. about 22. -Do you believe that paper is made _wood? -Yes, I do. And you can see that b
33、ooks are made _paper. A. from; from B. from; of C. of; from D. of; of 二、根据汉语意思完成句子。 1. 他去年在做律师。 He _ _a lawyer last year. 2. 在 20 世纪 70 年代，可口可乐开始进入中国市场。 _ _ _, Coca-cola began to enter Chinas market. 3. 你不能永远依赖你的父母。 You cant _ _your parents forever. 4. 一周后，我就会开车了。 Ill_ _ _ drive a car in a week. 5.
34、他的话改变了女儿的生活。 His words_ _ _ _. 6. 最近总是下雨。 It has rained _ _in recent days. 7. 人来将来可能居住在月球。 Human beings may live on the moon_ _ _. 8. 她也弹钢琴。 She plays the piano _ _. 9. 她好像要回家了。 It _that she _ _ back home. 10. 我想知道是什么阻止了她来这儿。 I wonder what _ _ _ _here. 11. 那个人以很快的速度在街上驾车行驶。 The man is driving a car_
35、 _ _ _ _ in the street. 12. 将来它们会发生什么呢？ What will _ _them in the future? 13. 他们正在使他们的学校变得更加美丽。 They are _their school yard _ _. 14. 动物是人类的朋友。 Animals are friends of _ _. 15. 连词成句： cost, the, money, didnt, dictionary, much, me _ 16. 谢谢你告诉我这件事。 Thank you _ _ _this. 17. 他哥哥过去是个懒惰的家伙。 His brother _ _ _
36、a lazy boy. 18. 妈妈给我提了一些怎样安全去上学的好建议。 My mother _good _ _how to go to school safely. 19. 他没有告诉老师就回家了。 He went home _ _ his teacher. 20. 许多男孩子喜欢玩电脑游戏。 Many boys like to _ _ _. 三、阅读理解 “I sometimes get up at three or four in the morning and I surf the Internet.” “I often check my e-mails four times a da
37、y.” “I often spend more than three hours during one time on the Internet.” “I spend more time in chat rooms (聊天室)than with my “real friends”.” Do you know any people like these? They are part of a new addiction(瘾)called Internet addiction. Internet addicts spend at least thirty to forty hours online
38、 every week. The use of Internet can be an addiction like drug(毒品) use. People lose control of the time they spend on the Internet. For example, one college student was missing for several days. His friends were worried, and they called the police. The police found the student in the computer lab: h
39、e was surfing the Internet for several days straight. Studies show that about 6% to 10% of Internet users become addicted. And people about the teens because the Internet is changing the playing field for some of them. They spend more time in cyberspace than in the real world of friends and family.
40、Is “surfing the Internet” a hobby or an addiction for you? You may have problem if you these symptoms(症状)： You do not go to important family activities or you do not do school work because you like to spend hours on the Internet. You cant wait for your next online time. You plan to spend a short tim
41、e online, but then you spend several hours. You go out with your friends less and less. 1. What does the beginning of the passage tell us? A. How to become an Internet addict? B. What an Internet addict usually does? C. Where to find an Internet addict? D. Why does the author write this passage? 2.
42、How does the writer describe the addicts use of Internet? A. It is something like keeping drugs. B. It is a way of producing drugs. C. It is like taking drugs. D. It is terrible to imagine. 3. Why do people worry about teens? A. The teens are waste too much money. B. They used to work on the Interne
43、t. C. The playing field of the teens will disappear. D. More and more of the teens will become addicted to the Internet. 4. The example in the passage shows that _. A. Internet problems are more serious among college students B. Internet addicts usually stay in the computer lab without sleep C. Some
44、 of the Internet users have already been seriously addicted D. The police often help to find those Internet addicts 5. What is the writer trying to tell us at the end of the passage? A. Dont be addicted to the Internet. B. Go to family activities more often. C. Do things as you have planned. D. Stay with your parents as often as possible.
