2. 外语
  3. A. a fraction of an inch B. the creation of new entities C. the same amount of mass D. the tiniest particle E. an explosion of h

A. a fraction of an inch B. the creation of new entities C. the same amount of mass D. the tiniest particle E. an explosion of h

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问题 A. a fraction of an inch B. the creation of new entities
C. the same amount of mass D. the tiniest particle
E. an explosion of huge stars F. the existence of black holes
Albert Einstein’s theory of relativity helps to prove .
选项
答案F
解析 根据第四段第一句话“So far，astronomers have figured out that black holes exist because ofAlbert EinsteintS theory of relativity．”可知，因为爱因斯坦的相对论，天文学家证明了黑洞的存在，所以本题选F。
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