最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
The growth of kelp in the kelp bed communities of the North Pacific Ocean is _________ sea otters: the otters prey on kelp-eating sea urchins, keeping the urchin population in check.
- A.impeded by
- B.detected by
- C.invisible to
- D.facilitated by
- E.disruptive for
D显示答案
以上解析由 考满分老师提供。
