2. 职称英语
  3. Lance Bass wasn’t able to go on a tour of space because of health problems. [br]

Lance Bass wasn’t able to go on a tour of space because of health problems. [br]

游客2023-09-18  13
问题 Lance Bass wasn’t able to go on a tour of space because of health problems. [br] What makes going to space the most expensive vacation is the enormous cost involved in ______.
选项
答案 the fuel of spacecraft
解析 本题空白处问“使得太空旅行成为最昂贵旅行的是哪方面的巨大花销”。文中相关部分在第十四段，提到“太空飞船需要百万磅的燃料飞到太空，这使得发射非常昂贵”。因此，答案为the fuel of spacecraft。
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