广州新版八年级(上册)Unit_3_Computers.pdf

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1、文档 专业资料 WORD 格式整理 Unit 3 Computers 课文重难点详解 1. In the 1940s, the first computers were bigger than cars. in the 1940s 意为“在 20 世纪 40 年代 ”，例：在 20 世纪 50 年代 表示在某个年代初期或末期，可以在年份前加early 或 late. 例：in the early 1940s 2. You may be unaware of them. be unaware of 意为 “未察觉，没有意识到” 译：那个男孩没有意识到危险。 3. There is probabl

2、y one inside your TV or washing machine. one 此处用作代词，用于泛指前面提到过的名词。 辨析： one 和 it one 泛指上文提到的同类事物中的一I lost my pen. I must buy one. 个 it 特指上文提到的同一物品The coat is hers. It s veuryl. beautif 例 ： The banana pie tastes delicious. Could I have another ? A one B it C this D that 4. You depend on computers more

3、than you realize. depend on 意为 “依靠，指望 ”，主语可以是人，也可以是物，其含义有所不同。 人依靠 depend on 物取决于 dependent adj. 依赖的，反义词： independent 独 “立的” depend on = be dependent on 译：she depends on us to help her. Our plan depends on the weather. 专业技术参考资料 文档 专业资料 WORD 格式整理 5. Computers almost never give wrong answers. almost ne

4、ver = hardly 意为“几乎不 ” 辨析： hardly 和 hard hardly “几乎不”Alice hardly wears skirts. hard “努力地，困难地，猛烈地”It rained very hard last night. 6. However, one day computers may be able to do a better job than human beings. be able to 意为“能够”，后接动词原形。 7. Will we have nothing to do? to do 为动词不定式，此处用来修饰nothing, 如果不定式中

5、的动词是不及物动词， 需要带上必要的介词。 例：Do you want something to drink ? There is a warm clothes tolive in . 例：-Why don t you go out to play, Rose? -I m afraid I can t. I have much homework . A do B does C doing D to do 8. What were the first computers like? What + be + 主语+ like? 意为 “怎 么样？ ”, like 是介词，意为“像，相似” 译：今天

6、天气怎么样？ 辨析： whats sb like, what does sb lik与e what does sb look like Whats sb like “某人如何”用于询问某人的性格，品质等 What does sb like “某人喜欢什么 ”用于询问某人的爱好 What does sb look like “某人长什么样 ”用于询问某人的外貌 9.Some young people always need help from their parents. need 用法总结： need sb/ sth 需要某人或某物例：I need a pen to write with. 专

7、业技术参考资料 文档 专业资料 WORD 格式整理 sb need to do sth 某人需要去做某事例：He needs to have a good rest. sth need doing 某物需要被. 例：My bike needs repairing. needn用t 来回来Must 提出的问句例：-Must I bring my homework now? -No, you needn t. 重点语法： 形容词的比较级和最高级分为规则变化和不规则变化 规则变化如下: 1) 单音节形容词的比较级和最高级形式是在词尾加-er 和 -est 构成； great long 2) 以 -e

8、 结尾的单音节形容词的比较级和最高级是在词尾加-r 和 -st 构成； wide nice 3)以辅音字母 +y 结尾的形容词，比较级和最高级是把y 去掉,加上-ier 和-est 构成； happy empty 5) 辅元辅的形容词，比较级和最高级是双写该辅音字母，再加-er 和-est； big fat 6) 部分双音节和多音节形容词，比较级和最高级需用more 和 most 来构成。 beautiful difficult 常用的不规则变化的形容词的比较级和最高级: good/well-better-best many-more-most much-more-most little-le

9、ss-least bad/ill-worse-worst far-farther/ further-farthest/furthest old-older/elder-oldest/eldest 专业技术参考资料 文档 专业资料 WORD 格式整理 形容词前如加 less 和 least 则表示 “较不“ 和“最不“ important 重要less important 较不重要least important 最不重要 形容词比较级的用法 10. 两者比较时用形容词比较级，其结构为“ .比较级+ than . ” 如：Actions speak louder than words. 11. 在

10、两者之间选 择“ 哪一个更 ?” 时，用句型“ Which/ Who is +比较级 , . or .? ” 如：Which sweater is cheaper, the red one or the yellow one? 12. 表示“ 两者之间最 ?的一个 ” 时，用“ the +比较级 ” 如：Lucy is the taller of the twins. 13. 表示“ 越?，越 ?” 时，用“ the +比较级， the + 比较级 ” 如：The more you eat, the fatter you will become. 14. 表示“ 越来越?” 时，用“ 比较级

11、+ and + 比较级 ” ，多音节词和部分双音节词 用“ more and more + 形容词原 级 ” 如：We should make our country more and more beautiful. 15. 形容词比较级前可以用下列词修饰：much, a little, far, a bit, a few, a lot, even, still, rather 等如： Its much colder today than yesterday. 表示“ 最?之一” 时，用 “ one of + the+ 最高级 ” 如：The light bulb is one of the

12、most helpful inventions. 专业技术参 考资料 文档 专业资料 WORD 格式整理 Unit 3 同步练习 16. The workers spent two years my house. A build B building C builds D huilt 17. - How often does Bob play tennis.- . A Every day. B For a year. C A week ago D A month later. 18. - Would you like TV?- I d love to, but I have lots of h

13、omework to do. A watching B to watch C seeing D to see 19. We re looking forward the football game tomorrow. A to B at C on D of 20. I m hungry now. Let s stop . A having a meal B having a rest C to have a meal D to have a rest 21. That beautiful skirt is cotton. A made of B made into C made from D

14、made up of 22. What shall we if we go for a picnic? A bring B take C carry D get 23. This box is_ that one. A. heavy than B. so heavy than C. heavier as D. as heavy as 24. When we speak to people, we should be . A. as polite as possible B. as polite as possibly C. as politely as possible D. as polit

15、ely as possibly 25. This book is_ that one, but_ than that one. A. as difficult as; expensive B. as more difficult as; more expensive C. as difficult as; more expensive D. more difficult as; as expensive 26. I think the story is not so _ as that one. A. interesting B. interested C. more interesting

16、D. most interesting 27. His father began to work_ he was seven years old. A. as old as B. as early as C. since D. while 28 I think science is _ than Japanese. 专业技术参考资料 文档 专业资料 WORD 格式整理 A. much important B. important C. much more important D. more much important 29. This pencil is_ than that one. A.

17、 longest B. long C. longer D. as long 30. My mother is no _ young. A. shorter B. longer C. little D. few 31. These children are _ this year than they were last year. A. more tall B. more taller C. very taller D. much taller 32. It was very hot yesterday, but it is_ today. A. even hotter B. more hott

18、er C. much more hot D. much hot 33. Mrs Black has got_ instead of getting any better. A. more bad B. a little worse C. much badly D. a lot of worse 完型填空 All my family members like to use computers. We live in China, 1 my uncle lives in Australia. My father and my uncle often 2 emails to each other.

19、Sometimes 3 chat（聊天） online. My mother is a 4 in a middle school. She often 5 the computer for her lessons. She also gets information for her lessons 6 the Internet. My brother and I like to 7 computer games. I like to play Counter Strike, but he likes to play Tomb Raider. My 8 donltike us to play t

20、hem too long. They say that playing computer games too long is bad for our 9 and study. We both like 10 , too. So sometimes we download songs from the Internet to our MP3 players. ( )1. A. but B. and C. or D. so ( )2. A. make B. send C. give D. write ( )3. A. we B. you C. they D. I ( )4. A. doctor B

21、. teacher C. student D. student ( )5. A. plays B. buys C. uses D. does 专业技术参考资料 文档 专业资料 WORD 格式整理 ( )6. A. in B. on C. with D. at ( )7. A. make B. do C. play D.get ( )8. A. parents B. friends C. father D. mother ( )9. A. legs B. ears C. eyes D. faces ( )10. A. music B. English C. films D. books 阅读理解

22、 We are already familiar with computers computers work for us at home, in offices and in factories. But it is also true that many children today are using computers at schools before they can write. What does this mean for the future? Are these children lucky or not? Many people who do not know abou

23、t computers think of them as machines that children play with. They worry that children do not learn from experience but just from pressing a button and that this is not good for them. They think that children are growing not knowing about the real world. But people who understand more about compute

24、rs say that computers can be very good for children. A computer can help them to learn about the real world more quickly, to learn what they want to learn and think for themselves. And for the future, don w te need people who can think clearly, who know how to get information quickly and use it well

25、? What do you think? 1. “To be familiar with ” means to _. A. know nothing B. know about C. dislike D. like 2. Does everyone think computers are good for children? A. Yes, they do. B. No, not everyone thinks so. C. They don t know. D. They are not sure. 3. What can computers help children to do? A.

26、To think clearly, to do homework and to write. B. To play games, to do math and to copy. C. To think clearly, to get information and to use it well. D. To count, to clean the house and to get information. 专业技术参考资料 文档 专业资料 WORD 格式整理 4. Does the writer think computer is a good thing? A. We don t know.

27、 B. No, he doesn t think so. C. He doesn t know. D. Yes, he does. 一、短语知识点 总结 1、in the 1940s 在 20 世纪90 年代的时候 =in the 1940s 3、 smaller and smaller 越来越小 比较级+比较级越来越 ? 4、be unaware of 没意识到 ? 5、inside prep. 在?里面 6、depend v. 依靠，依赖dependent adj. 依赖的，依靠的； dependable adj. 可靠 的depend on/ upon 依靠，依 ?而定 depend o

28、n it 毫无疑问，没问题 It all depends. 这也难说，要看情况而定。 7、do with 处理(与 what 搭配） deal with 处理（与how 搭配） 8、at a faster speed 以 (用）一个更快的速度 用工具with hands/ears/eyes/computers 用声音in a low voice 用语言in English 用材料in ink,pen 以价格at the high price 以速度at a full speed 9、give wrong answers = give a wrong answer给出错误的答 案 10、with

29、 prep. 和 ?人一起具有 ?用 ? 11、addition n. 加法，增加物in addition= besides 另外 in addition to= as well as 除了 ?之外 12、like v. 喜欢 prep. 像?like sth 喜欢某物like to do sth = like doing sth 喜 欢做某事 13、one day （过去或将来的）某天some day ( 将来的）某天 14、be able to do sth = can能够做某 专业技术参 考资料 文档 专业资料 WORD 格式整理 15、For example 例如（一个例子）Such

30、as 例如（多个例子） 16、be better at doing sth 更擅长做某事be good at doing sth 擅长做某事be good for .对?有好处be good to. 对?友好 17、have nothing to do 无事可做 18、make v. 制作， 使得，让 make sb do sth. 使得某人做某事make sb adj 使得某 人? 34. fact n. 事实，真相 In fact 事实上，其 实 =As a matter of fact 事实上，其 实 二、 More Practice 1Thank you/ thanks for (do

31、ing) sth 因?而感谢某人 2With +n./prep/doing 有?Without +n./prep/doing 没有 ?，缺乏 ? 3On the Internet 在网上 4Used to do sth 过去常常做?Be used to doing sth习惯做某事 5Sb spend time/money on sth某人在某物上花钱 /时间 Sth costs money某物花钱 Pay for sth 为某物付 钱 It takes sb some time to do sth花某人多少时间做某事 6In front of 在?的前面 (范围之外）In the front

32、 of 在?的前面（范围之内） 7Be bad for 对?有害 8Give some advice 给建议 9Hope for sth 希望得到某物Hope to do sth.希望做某事Hope (that)+ 句子希 望? 10Stop to do sth 停下来去做某事（做别的事）Stop doing sth 停止做某事（停 止正在做的事） Stop sb from doing sth 阻止某人做某事 11. By doing sth 通过做某事 12. Have to 不得不 ?（客观的） Must 必须（主观的） 专业技术参 考资料 文档 专业资料 WORD 格式整理 35. Ho

33、w often 多久一次（问频率 ） 36. Much + 比较级?的多 37. One of +最高级+n.(Pl.) ?之一 38. Become +adj 变得? 39. Look forward to ( 介词）期望 ?在介词后面加动词，都 加动词的ing 形式。 三、同步讲与 练 13. Stop working ! Let stopsto have lunch. 1. Stop_! Our teacher is coming. A. talk B. to talk C. talking D. talked 2. On my way home, I met an old friend

34、 and stopped _ a talk.(have) 2. They ll also give some advice on how to use computers fsotrudying .他们也会 给 一些关于怎样利用网络学习的建议。 give (sb) some advice on how to do- 关于某方面的建议（advice 不可数）怎样做 某事（必须接宾 语） =give (sb) some advice on doing- 1.王教师昨天给了我们一些如何学好英语 的 建 议. Dr Wang gave us _ _ _ _ _ _English well. 2. I

35、don t know _ the computer. A. what to use B. what using C. how to use D. how using 3. I hope we can all work together to stop students from spending too much time playing computer games.(p.45) stop sb. from doing 阻止某人做- sb. spend some time on/(in) doing某人花钱、花时间做某事 1.我们的环境越来越差了，我们应该阻止人们砍 伐树木。 Our env

36、ironment is becoming worse and worse, we should _ people _ _ down trees. 2. Tom _ two days _ the story. A.took; to read B. paid; for reading C. spend; reading D. spent; on 专业技术参 考资料 文档 专业资料 WORD 格式整理 四、同义词 /同义句： tiny = very small 极小的 expensive = dear = not cheap = costs a lot of money昂贵的 be unaware

37、of sth = be not aware of = don t know = d没 on 有察 觉t 到realize be aware of sth = know = realize意识到operate = make ?work depend on = rely on 依赖 in addition = besides = what 此 外 s more be able to do = can do能够做某事 grand total = full amount总额 We can type and draw things with computers. = We can use compute

38、rs to type and draw things. Mary is taller than any other girl in our school. = Mary is the tallest girl in our school. IV 词型变化 order（n） - order （v） compare （v）- comparison （n） mouse - mice （ pl.） type （v）- typer 打字机typist 打字员（ n） calculate （v）- calculation 计算calculator 计算器（ n） operate （v）- operatio

39、n （n） sell-sold-sold （v） - sale （n）salesman depend - dependent依赖的（ adj）-dependence 依赖（ n） - independent 独立的（ adj）- independence 独立（ n） I. 同义词 ( ) 1. I am sorry that I am unaware of the mistake. A. don t know B. don t c eaa rbout C. knows a little about D. knows a 专业技术参 考资料 文档 专业资料 WORD 格式整理 lot abou

40、t ( )2. Could you tell me the grand total? A. little time B. large number C. whole work D. full amount ( )3. When I was young, I always depended on others. A. made friends with B. laughed at C. lived with D. relied on ( )4. Finally, Jack operated the machine successfully. A. made ?changeB. made ?wor

41、k C. made ?rest D. made ?stop ( )5. What s the price o th f is computer? A. How many is B. How do you like C. Why do you buy D. How much is ( )6. Look! The tiny baby over there is so cute! A. very lovely B. very small C. very big D. very old ( )7. My mother used to work as a teacher in the village.

42、A. like B. be C. be like D. have ( )8. This machine is very expensive. A. costs a little money B. looks beautiful C. costs a lot of money D. doesn t cost much ( )9. Jack works hard. In addition, he is kind to his friends. A. For example B. Besides C. In addition to D. However II.单项选择题 ( )1. Taking b

43、uses in Beijing is _ than _ a taxi. A. more cheap; taking B. much cheaper; taking C. a little cheap; to take D. a little cheaper; to take ( )2. _, Shenzhen was still a small village. A. In 1840s B. In the year of 1840s C. In the 1840 D. In the 1840s ( )3. I m hungry now. Let s stop _. A. having a me

44、al B. to have a meal C. having a rest D. to have a rest ( )4. -what s the _ of this new train-?It s _ 200 km per hour. A. price; at the speed of B. price; in the speed of C. speed; in the speed of D. speed; at the speed of 专业技术参 考资料 文档 专业资料 WORD 格式整理 ( )5. Thank you for _ us with the task. I look fo

45、rward to _ with you next time. A. helping; working B. to help; work C. helping; work D. to help; working ( )6. Are you feeling _ today?I m afraid not. It s _ day since I got ill. A. good; the worst B. better; worse C. well; the best D. better; the worst ( )7. Ken is very generous(有天赋的 ). _, he is sk

46、illful in playing chess. A. In addition B. In fact C. However D. Suddenly ( )8. Do you know what _ the girl in the film? Yes. She _ too much _ her parents and was unable to do anything by herself. A. happened with; depended; on B. happened with; depended; with C. happened to; depended; at D. happene

47、d to; depended; on ( )9. _ you lose, _ you will be. A. The more; the happiest B. The more; the happier C. The less; the happiest D. many things; happy III. 词形填空 40. I am a _ (type), and I always type things with this _(type). 41. Ken always asks others for help. He is a _(depend) child. 42. There ar

48、e many great _(company) in Shenzhen. 43. I m sorry, but this dress is not for _(sell). 44. I look forward to _(become) a member of your team. 45. Do you know how _(operate) this machine? 46. He ordered us _ (fly) the spaceship as soon as possible. 47. Amy is _ swimmer of the six students. (good) 48. My father is a train driver, so he works on the _(railway). 49. Compared with my bag, yours is much _(good). 50. Is he ab