2015年12月19日全国大学英语四级考试刚刚落下帷幕，都教授为大家整理了阅读理解答案。下面是六级阅读第二篇关于“太空旅行”的参考答案。
六级阅读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.