1、1. teenage / ti:ned/ 2. teenager / ti:ned(r)/ 3. ballet /ble/ 4. volunteer /vlnt(r)/ 5. debate /d bet/ 6. prefer / prf:(r)/ preferto 7. content / kntent / 8. movement / mu:vmnt / 9. greenhouse / gri:nhas/ 10. clean up 11. suitable /su:tbl/ 12. actually / ktuli/ 13. challenge /tlnd/ 14. title /tatl/
2、15. topic / tpk/ 16. freshman / fremn / 17. confuse /knfju:z/ 18.confusing /knfju:z/ 19.confused /knfju:zd/ 20. fluent/flu:nt/ 21. graduate /rdet/ 22. recommend /rekmend/ 23. sign up ( for sth) 24. advanced / dv:nst/ 25. advance / dv:ns / 26. literature / ltrt(r)/ 27. extra-curricular / ekstr krkjl(
3、r)/ 28. extra /ekstr/ 29. obviously / bvisli/ 30. quit / kwt/ 31. improve /mpru:v/ 32. responsible /rspnsbl/ be responsible for 33.responsibility /rspnsblti/ 34. solution / slu:n/ 35. schedule /edju:l ;NAmE skedul / 36. editor /edt(r)/ 37. plate /plet/ 38. adventure /dvent(r)/ 39. expert /ekspt/ 40. youth /ju:/ 41. behaviour /bhevj(r)/ 42. generation /denren/ 43. attract /trkt/ be attracted to 44. focus / fks / 45.addicted /dktd/ addicted to 46.addict /dkt/ 47. adult /dlt/ 48. Chicago / k:g/ 49. Seoul /sl/