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题目内容双击单词支持查询和收藏哦～
Bone is a physiologically ________ tissue: it can change size and shape to meet the body' s needs during the various stages of an animal' s life.
- A.rigid
- B.vulnerable
- C.active
- D.permeable
- E.lightweight
C显示答案
以上解析由 考满分老师提供。
