一、 冠词冠词 a 2. an 3. an 4. an, / 5. a 6. / 7. a, / 8. an 9. The, the 10. an 11. a, a 12. The, a 二、1. C 2. C 3. A 4. C 5. C 6. A名词名词 中指中指 1. tomatoes 2. potatoes 3. mangoes 4. heroes 5. radios 6. photos 7. zoos 8. studios 9. bamboos 10. pianos 11. knives 12. halves 13. wives 14. leaves 15. thieves 16. scarves17. classes 18. boxes 19. matches 20. brushes 21. watches 22. stomachs 23. beaches 24. stories 25. boys 26. hobbies 27. cities 28. babies 29. activities 30. keys 31. ladies 32. families 33. enemies 34. centuries 35. children 36. men 37. women 38. feet 39. teeth 40. boots 41. mice 42. policemen 43. humans 44. Germans 45. Japanese 46. Americans 47. Canadians 48. Australians 49. Chinese 50. sheep 51. countries 52. fish / fishes 53. girl students 54. women doctors二、 1. monkeys 2. computers 3. magazines 4. address 5. advertisements 6. beauty 7. activities 8. wifes 9. knives 10. interest 11. health 12. winner 13. advice/ suggeston(s) 14. mistakes 15. shelves / bookshelves 16. competitions / matches / games17. rainbow 18. duty19. Volunteer, operations 20. flags三、 1. flowers 2. importance3. butterflies 4. decision 5. knives6. visitors7. childrens 8. Fathers 9. countries 10. hunter11. safety12. teeth 13. todays 14. player15. teams 16. sheep 17. spacemen18. directors 19. gifts 20. painting 代词 中指 一、 1. Mine 2. theirs 3. themselves 4. himself 5. my, hers 6. yourselves 7. me 8. ours 9. theirs 10. him 二、 1. ours 2. itself 3. something unusual 4. Help yourselves to 5. something delicious to eat 6. on either side of the street / on both sides of the street 7. another one 8. us English 9. a little 10. Either day is OK 11. what about yours 12. Each / Every one 13. any 14. mine 15. something important 16. someone / somebody, it is 17. The one with beautiful pictures 18. (by) ourselves 19. neither 20. every 三、1. D 2. D 3. D 4. C 5. C 6. C 7. A 8. B 9. C 10. D 11. B 12. B13. C 14. A 15. A 数词 中指一、1. first 2. second 3. third 4. fifth 5. ninth 6. twelfth 7. twentieth 8. twenty-first二、1. Lesson Three / the third lesson2. twelve oclock3. eight twenty-five4. ten forty-five5. Room 306 6. a / one quarter 7. the fifth floor 8. six thousand people 9. on September 9th, 200910. two fifths三、 1. half an hour 2. thousands of 3. Thirty thousand 4. three eighths5. once a week 6. second7. 31-kilometre-long四、1. B2. B3. A4. C5. D形容词和副词形容词和副词 中指中指 一、 1. better, best 2. older, oldest / elder, eldest 3. hotter, hottest 4. taller, tallest 5. worse, worst 6. fatter, fattest 7. less, least 8. fewer, fewest9. more, most 10. shorter, shortest 11. more difficult, most difficult 12. farther, farthest / further, furthest 13. better, best 14. more carefully, most carefully 15. drier, driest 16. thinner, thinnest 17. nicer, nicest18. cheaper, cheapest 19. worse, worst 20. finer, finest 21. happier, happiest 22. more popular, most popular 23. earlier, earliest 24. more enjoyable, most enjoyable 25. lazier, laziest 26. faster, fastest27. more, most 28. more expensive, most expensive 29. heavier, heaviest 30. more beautifully, most beautifully 31. more angrily, most angrily 32. hungrier, hungriest 33. more wonderful, most wonderful 34. stronger, strongest 35. quicker, quickest36. larger, largest 37. smaller, smallest38. more slowly, most slowly40.more interesting, most interesting41. more important, most important42. prettier, prettiest43. more regularly, most regularly44. higher, highest二、 1. healthy 2. easier 3. American 4. less 5. heavily 6. wisely 7. valuable 8. impossible9. useful 10. impatient 11. polluted 12. softly 13. harmful 14. more expensive 15. terrible 16. careless 17. widely18. angrily 19. correctly 20. luckily 21. enjoyable 22. quickly 23. difficult 24. thankful 25. sleepy 26. weekly 27. strong, stronger 28. more beautiful 29. thinner 30. unhappy三、 1. rains heavily, heavy 2. so clever, easily 3. too young to, old enough to, soyoung that 4. such fine weather 5. so exciting, such an exciting film /so exciting a film 6. Maybe / Perhaps / Probably, knows, to do7. less interesting, more interesting 8. of the same size 9. than any other; than any of theother; than other, Nobody else, taller than 10. better than 11. the most beautiful 12. Its, of, to help 13. strong enough to lift 14. worse than, as well as 四、1. C 2. C 3. A