填空题

In the universe, there are some mysterious materials that can resist scientific investigation.

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1．根据图形描述该市住房产权的变化 2．分析产生变化的原因 3．说明这些变化对于个人和社会产生的影响 Changes in the Ownership of Houses
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Science is often built on the destruction of existing paradigms and is a continuously evolving process.
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