39. A. ask B. expect C. attempt D. hope

　　40. A. happen B. fail C. have D. seem

　　41. A. ambitious B. experienced C. potential D. energetic

　　42. A. take B. fetch C. carry D. bring

　　43. A. shoulder B. back C. chest D. arms

　　44. A. on B. against C. toward D. under

　　45. A. supported B. grasped C. placed D. strengthened

　　46. A. but B. however C. so D. therefore

　　47. A. chemistry B. physics C. biology D. psychology

　　48. A. control B. affect C. remove D. replace

　　49. A. agreed B. proposed C. refused D. denied

　　50. A. can't B. mustn't C. won't D. needn't

　　51. A. point out B. take out C. hand out D. print out

　　52. A. dirty B. clean C. old D. new

　　53. A. caught B. arranged C. left D. convinced

　　54. A. exciting B. mysterious C. technological D. modern

　　55. A. That B. This C. They D. There

　　任务型阅读

　　阅读短文，根据所读内容在表格空格处填上适当的单词或短语，每空不超过3个单词。

　　Happy birthday! Do birthday really make people happy? Of course they do．Birthday celebrate the day when we were born．Besides, that extra candle on the cake suggest another year of growth and maturity（成熟）-or so we hope．We all like to imagine that we are getting wiser and not just older．Most of us enjoy seeing the wonder of growth in others, as well．For instance, seeing our children develop and learn new things makes us feel proud．For Americans, like people in most cultures, growing up is a wonderful process．But growing old? That is a different story．

Growing old is not exactly for people in youth-oriented（以年轻人为中心）American culture．Most Americans like to look young, act young and feel young．As the old saying goes, "You're young as you feel．" Older people joke about how many years young they are, rather than how many years old．People in some countries value the aged as a source of experience and wisdom．But Americans seem to favor those that are young, or