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题目内容双击单词支持查询和收藏哦～
It is possible that the earliest terrestrial plants were (i) ___________ natural enemies, such as herbivores. By the mid-Carboniferous period, however, there was abundant evidence-in the form of fossil leaves with signs of bite marks-that plants were (ii) ___________ animal attack.
- Blank(i)
- free from
- influenced by
- overwhelmed by
- Blank(ii)
- experiencing
- avoiding
- exploiting
free from , experiencing 显示答案
以上解析由 考满分老师提供。
