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
A newly formed black hole and the star it comes from are of______.
选项
答案C
解析 根据第三段内容“Orbits(轨道)do not change because the newly formed black hole contains exactly the same amount of mass as when it was a star，only its mass is totally contracted that it can end up as no bigger than a state．”可知，新形成的黑洞和形成黑洞的物体质量是相同的，所以本题选C。
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