2012年6月大学英语六级真题听力mp3和文本下载

37. official

38. shrinking

39. plunge

40. decline

41. primary

42. heads

43. Poverty

44. Hampered by higher taxes and weak demand for its exports, Mexico's economy is seen only partially recovering this year.

45. Mexico has historically had high drop-out rates as poor families pull kids out of school to help put food on the table，

46. The nation's drop-out problem is just the latest bad news for the long-term competitiveness of the Mexican economy.