【正文】
Unit 1 8 / 81. how often 2. exercise 。v.amp。 n 3. skateboard 。v4. hardly 。adv5. ever 。adv6. shop v7. once adv8. twice 。adv9. time 。n10. surf 。 ()v11. Internet 。n12. program ()。()n.13. high school ()。()14. result 。n15. active 。adj.16. for 。 。prep17. as for 。18. about 。adv19. junk 。n20. junk food 21. milk n22. coffee n23. chip ()n.24. cola n25. chocolate n26. drink 。v.27. health 。n28. how many 29. interviewer n30. habit 。n31. try 。v.32. of course 。33. look after 。34. lifestyle n.35. grade 。 n36. better (goodwell)()。()adj. amp。 adv37. same 。adj.38. as () prep39. different 。adj.40. difference 。n41. unhealthy 。adj.42. yuck。()interj43. maybe 。adv.44. although (=though)。conj.45. for ()。prep46. grandpa。n.47. a lot of。48. keep 。v.49. must modal v50. less (little) 。adj.Unit 2 1. matter 。n2. have ()。() v3. cold 。n4. have a cold 5. stomachache 。n.6. sore adj.7. back 。n8. arm 。n.9. ear n10. eye n.11. foot (pl. feet) 。n.12. hand n13. head 。n14. leg 。n15. mouth 。n16. neck 。n17. nose n18. stomach 。n19. tooth ( pl. teeth ) n.20. throat 。n21. toothache n.22. fever 。n23. rest v24. honey n.25. dentist n26. should v27. headache n.28. shouldn39。t =should not29. ago ()adv30. so 。pron.31. illness 。n.32. advice 。n.33. thirsty 。adj.34. stress 。v. 。n35. (be) stressed out 。36. early ()。() adv37. problem 。n38. way 。 n.39. traditional 。adj.40. believe 。v41. balance 。 n42. yin ()()43. yang ()()44. weak ()。adj.45. Dangshen ()46. Huangqi ()47. herb 。n48. angry 。adj.49. tofu n50. medicine 。()n51. western 。adj.52. ev