四級閱讀仔細閱讀1(第二版)答案
56. C. They love what they do and choose not to retire.
57. A. Neither of them is subject to forced retirement.
58. D. Working at an advanced age lengthens people's life.
59. C. It is a compensation for one's life-long hard work.
60. D. They prevent young people from getting ahead.
