深圳2012新版上教八年級(jí)上Unit3基礎(chǔ)教案

1、Unit 3 Computers-基礎(chǔ)教案一、key wordsl order n. 訂貨，訂購(gòu) May I take your order?可以為您點(diǎn)餐嗎？ v. 訂購(gòu) Our school ordered some new computers. v. 命令 order sb. to do sth. The teacher ordered us to take notes.l compare v. 比較，對(duì)比 Please compare the two bags. I have compared the prices in the two pare A with B 比較

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，依賴 depend on sb./sth依賴.She still depends on her parents for money because she hasnt got a job. adj. dependent 依賴的 be dependent on . 依賴于. 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. 動(dòng)手術(shù) operate on. 給.

4、動(dòng)手術(shù) The doctor will operate on her leg tomorrow. n. operation 手術(shù)(可數(shù))l work as 從事.工作 My father is a doctor.=My father works as a doctor.work 的其他短語：work out 計(jì)算出work for為.效力work on 從事于.；繼續(xù)工作work with與.共事； 對(duì).有效work hard工作努力，學(xué)習(xí)努力at work在上班hard work努力的工作； 艱難的工作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為介詞)：盼望做. Im looking forward to seeing you.新單詞強(qiáng)化訓(xùn)練1. He_(訂購(gòu))himself three new coats.2. I dont know how the computer _(運(yùn)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 _(大腦)is the organ of thought.9. Add the figures(數(shù)) together and find the _(總數(shù)).10. What was the _(價(jià)錢)of your new car?11. Mr. J

7、ones works for a _(公司)which makes cars.12. The song has become very _(劉星的，受歡迎的)13. Ann _(賣)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、句型詳解1. You never seem to be short of money.Ø never 頻度副詞，“從不”，放在主語和行為動(dòng)詞之間；或者情系助之后，行為動(dòng)詞之前?；貞浧渌l度副詞還有那些？eg: She never goes to the cinema.eg: I have never broken my promise.Ø seem v. 似乎，好像 seem的用法結(jié)構(gòu)很多，大家先掌握下列4中即可：1) seem作系動(dòng)詞，seem+ adj.構(gòu)成系表結(jié)構(gòu)。Everyone seems happy.

10、2) seem + n: He seems an honest man.3) seem +不定式，seem to do=It seems that 從句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.Ø be short of 短缺，缺乏 近義短語：a lack of . 缺乏.eg: Im short of money these days. eg: His lack of experience led to the

11、 mistake.2. You may be unaware of them.Ø may 情態(tài)動(dòng)詞“可能”，后接動(dòng)詞原形。Human beings may live on the moon in the future.【辨析】may be與maybemay be是 情態(tài)動(dòng)詞+動(dòng)詞原形be,在句中作謂語部分。eg：There may be tiny computers in your home.maybe “可能，也許”，近義詞：perhaps, possibly, probably,可放于句首,或放在情系助之后。 eg：Maybe there is a tiny computer i

12、n your home.Maybe, she has changed her mind. be unaware of 未察覺，沒意識(shí)到eg：He was unaware of the danger.反義短語：be aware of 察覺到， 意識(shí)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 shou

13、ld learn to use computers for studying.被動(dòng)：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.Ø in addition 此外，還有. = and.as welleg: We had fun. I

14、n 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,還有.eg: He speaks five other languages in addition to English. ( =besides)Ø like 介詞“像” Do it like this! 5. For exa

15、mple, 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擅長(zhǎng)., 比較級(jí)形式： be better at更擅長(zhǎng).=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 speaki

16、ng.6. What will happen to us if computers can do all our jobs?happen vi.發(fā)生 常用結(jié)構(gòu)1: sth happened sth has happened sth is/was happeningWhat is happening? There are so many people. 常用結(jié)構(gòu)2：sth happen to sb. What happened to you last night? 常用結(jié)構(gòu)3：happen to +動(dòng)詞原形 碰巧做. He happened to hear that when he was wa

17、lking past.7. Computers may change our lives, but will they make them better? change ones life改變某人的生活eg：What he has done changed his wifes life.make sth +adj. 使.怎么樣 eg：We can make the garden more beautiful.8. The lightest model costs 2,530.cost 花費(fèi)，值(cost-cost) 結(jié)構(gòu)1：sth costs sm. 某物值.錢 結(jié)構(gòu)2：sth costs s

18、b sm. eg: The book costs me 20 dollars. 其他“花費(fèi)”的表達(dá)，同學(xué)們趕緊想想吧！9. They play computer games all day without stopping to drink, eat and sleep.Ø without 介詞“沒有”without doing沒有做. eg: He left without saying anything.Ø stop v.停止 stop doing停止做. stop to do 停下來去做.eg: You must stop playing computer games

19、. And you should stop to study hard.10. Its made of leather.短語: be made of由.制成（未經(jīng)質(zhì)變，看得見原材料） eg: The desk is made of wood.【拓展】：be made from由.制成發(fā)生了化學(xué)變化，看不出原料Wine is made from grapes.be made into .可以制成.談?wù)撛峡梢灾瞥珊挝颎rapes can be made into wine.be made in在.地制造in 后接 產(chǎn)地Benz is made in Germany.11. I hope we c

20、an work together to stop students from spending too much time playing computer games.Ø stop sb. from doing sth 阻止sb.做.此時(shí)，stop 可換為prevent, keepeg: We must stop people from driving after drinking.spend st doing sth 花時(shí)間做.eg: His son often spends less time doing homework but more time playing.三、key

21、 phrases1. be short of 2. one of3. in the 1940s4. be unaware 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 do

22、17. change our lives(life)18. make our lives better19. tiny=very small20. depend on=need help from sb21. and.as well=in addition22. make.work= operate23. sub-heading副標(biāo)題24. maybe與may be25. grand total26. be made of leather/plastic27. shop for=buy28. certainly 行 (用于回答).29. What do you think of compute

23、rs?30. desktop臺(tái)式電腦 laptop筆記本電腦palmtop掌上電腦 flat computer平板電腦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 compute

24、r40. I hope we can stop students from spending too much time playing computer games.41. type in keywords42. abacas 算盤 43. in ancient China在中國(guó)古代基礎(chǔ)知識(shí)鞏固練習(xí)一、單項(xiàng)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.

25、 some time D. some times3. -Your coat looks nice. What 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 ca

26、r?-It_ me more than 300,000yuan.A. cost B. spend C. made 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

27、C. Im afraid not D. Im not afraid8. I cant hear you. Because 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 stand

28、ing there, Mary?-I cant see the blackboard clearly. Two 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. Wit

29、h B. By C. At D. From13. -I am going to Paris to watch 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.

30、 sometimes D. some times16. -Have you ever been to Disneyland?-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

31、too _, and I cant afford it.A. nice B. lovely C. popular 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

32、 D. about22. -Do you believe that paper is made _wood?-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、根據(jù)漢語意思完成句子。1. 他去年在做律師。He _ _a lawyer last year.2. 在20世紀(jì)70年代，可口可樂開始進(jìn)入中國(guó)市場(chǎng)。_ _ _, Coca-cola began to enter Chinas market.3. 你不能永遠(yuǎn)依賴你的父母。You cant

33、 _ _your parents forever.4. 一周后，我就會(huì)開車了。Ill_ _ _ drive a car in a week.5. 他的話改變了女兒的生活。His words_ _ _ _.6. 最近總是下雨。It has rained _ _in recent days.7. 人來將來可能居住在月球。Human beings may live on the moon_ _ _.8. 她也彈鋼琴。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來這兒。I wonder wha

34、t _ _ _ _here.11. 那個(gè)人以很快的速度在街上駕車行駛。The man is driving a car_ _ _ _ _ in the street.12. 將來它們會(huì)發(fā)生什么呢？What will _ _them in the future?13. 他們正在使他們的學(xué)校變得更加美麗。They are _their school yard _ _.14. 動(dòng)物是人類的朋友。Animals are friends of _ _.15. 連詞成句：cost, the, money, didnt, dictionary, much, me_16. 謝謝你告訴我這件事。Thank yo

35、u _ _ _this.17. 他哥哥過去是個(gè)懶惰的家伙。His brother _ _ _ a lazy boy.18. 媽媽給我提了一些怎樣安全去上學(xué)的好建議。My mother _good _ _how to go to school safely.19. 他沒有告訴老師就回家了。He went home _ _ his teacher.20. 許多男孩子喜歡玩電腦游戲。Many boys like to _ _ _.三、閱讀理解“I sometimes get up at three or four in the morning and I surf the Internet.”“I

36、often check my e-mails four times a day.”“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(癮)called Internet addiction. Internet addicts spend at

37、 least thirty to forty hours online 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

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