求翻译：首先，对未知世界的探索是人类发展的永恒动力。只有不断探索才能进步。　第二，开展航天活动的最终目的是要改善我们的生活。第三，月球探测是当今世界高新科技中极具挑战性的领域之一。开展月球探测是一个国家经济、科技能力的综合体现　不可否认，航天探测活动投入高，风险大，但同样有高收益。是什么意思？

First, to explore the unknown world of the eternal power of human development. Only been explored in order to progress. Second, the ultimate goal of carrying out space activities is to improve our lives. Third, the lunar exploration is the world's most challenging high-tech in one of the areas. To c

First of all, the unknown world of human development is exploring the eternal power. Only the continuous exploration can progress. The first 2 carried out space activities, the ultimate aim is to improve our lives. No. 3, the moon probe is the world's new and high technology extremely challenging ar

First, to the unknown world exploration is the development of the human race eternal power.Only then explores unceasingly can progress.　Second, the development solar-system operation final goal is must improve our life.Third, the lunar survey in the world high new technology extremely has one of now

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