牛津上海版初三九年级上英语Unit4知识点及练习

1 / 14 (Ox) 9A Unit 4 ComputersPART ONEI.Vocabulary 1.screen2.recognize3.desktop4.laptop5.palmtop6.ting7.unaware8.depend9.common10. knowledge11. rarely12. print13. importantly14. operate15. aeroplane16. spaceship17. meaning18. command19. CD-ROM20. DVD -ROM21. writing22. aware23. order24. blank25. supply26. contract27. reference28. quantity29. length30. seat31. peak32. court33. distance34. contain35. intelligent36. leather37. accuracy38. sensible39. retire40. complicated41. overcome42. gradually43. scholars44. continent2 / 14 45. electronic46. browse47. instant48. raise49. concept50. iconII.Useful Expressions1.(be) unaware of没意识到；未察觉2.common knowledge常识3.for the time being暂时;眼下4.depend on依靠，依赖5.contact with与...联系6.a quantity of大量的7.take a seat入座8.seem to be看来，好像9.be short of缺乏10. be used for doing被用来做某事11. help sb. do sth.帮助某人做某事12. hear from听到，收到 ...的来信13. since then从那以后14. the answer to the question问题的答案15. be able to do能够做某事16. be good at doing sth.擅长做某事17. have nothing to do with与...无关18. millions of数以百万计19. be popular with/among在...中受欢迎20. obey one ’s commands服从某人的命令3 / 14 21. put forward提出22. in my opinion我认为23. in the end在最后24. share sth. with sb.与某人分享某物25. overcome these difficulties to do sth.为了做成某事克服很多困难26. the numher of ...的数量27. be available to可被利用 /得到的28. a wide range of 大量的29. communicate with sb.与某人交流30. a series of一系列的31. people all over the world来自全世界各地的人们32. in addition to 除了...之外III.Useful Structures/Grammar 1.Other kinds of computers are so tiny that you may be unaware of them.2.It ’s common knowledge that computers are super calculators.3.However, one day computers may be able to do most things t...