深圳2012新版上教八年级上-Unit-3-基础教案8页

1、Unit 3 Computers-基础教案一、key wordsl 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.l compare v. 比较，对比 Please compare the two bags. I have compared the prices in the two pare A with B 比较

2、A和 B: Please compare your handwriting with Tpare A to B 把A比作B: A teachers work is often compared to a candle.l 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. lose control

3、 失去控制l 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.l operate v. 操作，控制 The expert will come and teach us how to operate the machine. v. 动手术 operate on. 给.

4、动手术 The doctor will operate on her leg tomorrow. n. operation 手术(可数)l 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l look forward to盼望，期待look forward to sth : 盼

5、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 in _(小的)cages and can hardly move

6、 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. What was the _(价钱)of your new car?11. Mr. J

7、ones 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. taking15. -How do you learn English so well?-_chatting with my uncle in America online.A. For B. By C. In D

8、. With16. You may ask him for _about that.A. an information B. informations C. some information D. some informations17. -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 her again.19. Wait before you buy that computer. Lets c

9、_ 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中即可：1) seem作系动词，seem+ adj.构成系表结构。Everyone seems happy.2) seem + n:

10、 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 money these days. eg: His lack of experience led to the mistake.2. You ma

11、y 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maybemay 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, 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 h

12、as 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 should learn to use computers to study.use sth for doing sth使用.做. eg: We should learn to use computer

13、s for studying.被动：sth is used to do或sth is used for doingeg：Bags are used to collect things. 或Bags are used for collecting things.4. In addition, computers can do important jobs like operating railways and flying planes. in addition 此外，还有. = and.as welleg: We had fun. In addition, we learnt a lot.Sh

14、e 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 in addition to English. ( =besides) like 介词“像” Do it like this! 5. For example, they may be better than doctor

15、s 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 is better at English.She is not only good at listening but also good at speaking.6. What will happen to us if comp

16、uters can do all our jobs?happen vi.发生 常用结构1: sth happened sth has happened sth is/was happeningWhat is happening? There are so many people. 常用结构2：sth happen to sb. What happened 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 o

17、ur 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. 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 dolla

18、rs. 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 anything. 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

19、 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

20、too much time playing computer games. stop sb. from doing sth 阻止sb.做.此时，stop 可换为prevent, keepeg: We must stop people from driving after drinking.spend st doing sth 花时间做.eg: His son often spends less time doing homework but more time playing.三、key phrases1. be short of 2. one of3. in the 1940s4. be u

21、naware of5. depend on6. use computer to calculate7. at a faster speed8. give wrong answers9. in addition=besides10. operate railways11. be able to12. human beings13. for example14. be good/better at doing sth15. happen to sb16. have nothing to do17. change our lives(life)18. make our lives better19.

22、 tiny=very small20. depend on=need help from sb21. and.as well=in addition22. make.work= operate23. sub-heading副标题24. maybe与may be25. grand total26. be made of leather/plastic27. shop for=buy28. 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 compute

23、r平板电脑31. on the computer32. on the Internet33. look forward to your reply34. Thank you attending this meeting35. stop to do36. used to play outside37. in front of computers38. This is bad for your health.39. give some advice on how to use computer40. I hope we can stop students from spending too muc

24、h time playing computer games.41. type in keywords42. abacas 算盘 43. in ancient China在中国古代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 times3. -Your coat looks nice. What

25、 is it _?-Cotton.A. made of B. made in C. made from D. make up 4. -There _little fresh water_.-Dont worry. Well soon walk out of the desert.A. has, drinking B. are, to drink C. is, to drink D. have, drinking5. -How much did you pay for the new car?-It_ me more than 300,000yuan.A. cost B. spend C. ma

26、de D. paid6. -What does Adam think of his brother?-_.A. He isnt like him. 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 afraid8. I cant hear you. B

27、ecause there is _noise here.A. very much B. too much C. much too D. so many9. 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, listen10. -Why are you standing there, Mary?-I cant see the blackboard clearly. Tw

28、o tall boys are sitting _me.A. behind B. in front of C. beside D. next to 11. It is bad for your study _computer games.A. to play B. playing C. plays D. play12. -How do you communicate with your foreign friends?-_writhing emails, of course.A. With B. By C. At D. From13. -I am going to Paris to watch

29、 the Fashion Show next month.-_A. Have a good time B. Its terrible C. Good job D. What a pity14. My handwriting cannot be compared _my fathers.A. about B. with C. on D. for15. They are going to have a picnic_ next week.A. sometime B. some time C. sometimes D. some times16. -Have you ever been to Dis

30、neyland?-No, _. I hope I can go there next year.A. always B. sometimes C. never D. often17. Whether Ill go to Shanghai_ the result of the examination.A. belongs to B. cares about C. depends on D. aims at18. -What do you think of the sweater?-Its too _, and I cant afford it.A. nice B. lovely C. popul

31、ar D. expensive19. I have two_. I can let you have one.A. mouse B. mouses C. mice D. mices20. -What does your mother do?-My mother works_ a nurse.A. on B. for C. with D. as21. The woman looked sad. Something must happen _ her.A. to B. with C. for D. about22. -Do you believe that paper is made _wood?

32、-Yes, I do. And you can see that books 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

33、a car in a week.5. 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

34、a car_ _ _ _ _ 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 _ _ _ a lazy

35、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 day.”“I often spen

36、d 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 every week. The us

37、e 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: he was surfing the I

38、nternet 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. Is “surfing the Internet” a hobby or an addiction for you? You may have problem if you these symptoms(症状)：l You do not go to important family activities or you do not do school work because you like to spend hours on the Internet