While space may hold many wonders and explanations of how the universe was formed or how it works, it also holds dangers.

　　The danger exists, but knowledge can help human being to survive.

　　Without the ability to reach out across space, the chance to save ourselves might not exist.

　　While Earth is the only planet known to support life, surely the adaptive ability of humans would allow us to live on other planets.

　　It is true that the lifestyle would be different, but human life and cultures have adapted in the past and surely could in the future.

　　【语篇解读】　人类为什么要进行太空探索？随着这一问题的提出，作者从人类天性的角度深入剖析了人类进行太空探索的动机以及从中获得的益处——太空探索可以帮助我们避免地球上潜在的一些问题。

　　40．Why does the author mention the questions in Paragraph 1?

　　A．To express his doubts.

　　B．To compare different ideas.

　　C．To introduce points for discussion.

　　D．To describe the conditions on Earth.

　　答案　C　[ 推理判断题，是对作者写作目的和意图的推断。作者提出这些问题是为了引出下文要讨论的观点，故选C。 ]

　　41．What is the reason for exploring space based on Paragraph 2?

　　A．Humans are nature­born to do so.

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