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题目内容双击单词支持查询和收藏哦～
Any time the double helix of DNA is cut, the cell initiates what is usually ____________ repair to the break: during the mending process, a few letters of DNA usually get deleted.
- A.a preemptive
- B.a systematic
- C.an imperfect
- D.an expeditious
- E.an extensive
C显示答案
以上解析由 考满分老师提供。
