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
When a large star explodes, the gravity compacts ever piece into .
选项
答案D
解析 根据第二段内容“and the gravity starts to compact every piece into the tiniest particle．”可知。重力使得恒星爆炸后的碎片变成最小的粒子，所以本题选D。
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