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  3. PASSAGE THREE What does "science fiction with equations" in Para. 4 refer to?

PASSAGE THREE What does "science fiction with equations" in Para. 4 refer to?

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问题 PASSAGE THREE
What does "science fiction with equations" in Para. 4 refer to?
选项
答案Over-optimistic theories unconfirmed by reliable experiments．
解析 根据题干定位至第四段最后一句。该句前一句提到“有些乐观主义者喜欢字符串和多元宇宙理论，而这无法得到任何可信的实验证明”。作者在最后一句中明确指出这样的理论根本就不算是物理学理论，而是科幻小说。可见，带着方程式的科幻小说是指这些无法被可靠实验验证的过于乐观的理论。故答案为“Over-optimistic theories unconfirmed by reliable experiments．”。
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