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Shark teeth are among the most (i)_______ of all vertebrate fossils. While such (ii)_______ may befit creatures renowned for their appetites, it contrasts with the rarity of shark skeletons.
- Blank(i)
- durable
- useful
- common
- Blank(ii)
- utility
- abundance
- stability
common , abundance 显示答案
· 相关考点
取同-指代重复 取反-让步转折
取同-指代重复
取反-让步转折
以上解析由 考满分老师提供。
