To be sure, the United States aims to send astronauts back to the moon by as early as 2017, in a mission that would include a long-term settlement. China and Israel, among others, are also working on lunar projects. And for the first time, several private groups are building spacecraft to land on the moon in an attempt to win millions of dollars in the Google Lunar X Prize. Some participants say that they plan to gain some property rights in the mission.

　　【文章大意】本文介绍了世界范围内的登陆月球热, 以及作者对这种现象的担忧。

　　1. In the passage the writer seems to be worrying that　.

　　A. the US will live on the moon forever

　　B. the moon will not be able to hold all mankind

　　C. the potential land rush will become more and more frequent

　　D. no one can answer the question“Who owns the moon? ”

　　【解析】选C。细节理解题。根据第三段space industry thought leaders are seriously asking themselves how to deal with a potential land rush一句可知太空行业认为领导人们正严肃地问自己如何应对潜在的登陆热, 这也表达了作者的担心。

　　2. “The Google Lunar X Prize”aims to　.

　　A. encourage private groups to land on the moon

　　B. help NASA host a discussion about land rush on the moon

　　C. help some developing countries to complete their lunar projects

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