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题目内容双击单词支持查询和收藏哦～
Conifer charcoal found at the Neal Garrison archaeological site may include wood from several different species, such as spruce and pine; however, (i) ____________ of the charcoal (ii) ____________ the precise determination of its origins.
- Blank(i)
- the archeological significance
- the poor condition
- a careful examination
- Blank(ii)
- requires
- complicates
- justifies
the poor condition , complicates 显示答案
以上解析由 考满分老师提供。
