2015年12月英语六级阅读理解参考答案：太空旅行
Passage 2 答案：
61. It has aroused public attention to safety issues.
62. It has sent half a dozen passengers into space.
63. To promote the space tourism industry.
64. Suspend Virgin Galactic’s Lisence to take passengers into space.
65. It is worth promoting despite the risks involved.
Passage Two
61. B) It fails to prepare students to face the challenges of modern times.
62. A) The diluted college curriculum.
63. D) They prioritize non-academic activities.
64. D) They can climb the social ladder even without a degree.
65. C) The current situation in American higher education may not last long.
Passage One
56. A) It is free from racial biases.
57. D) It is politically sensitive.
58. A) Racial biases are widespread in the professional world.
59. C) People’s conception of a person has much to do with the way he or she is labeled.
60. D) All ethnic groups share the nation’s continued progress.