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 extant evidence of Pluto's collisions with other cosmic objects over time is (i)____________. When Pluto is closest to the Sun, frozen surface material evaporates into a temporary atmosphere and eventually into space. This process (ii)____________ older impact craters, so Pluto's surface provides a record of (iii)____________ collisions.
- Blank(i)
- incomplete
- indirect
- inconclusive
- Blank(ii)
- erases
- bypasses
- deepens
- Blank(iii)
- only recent
- many major
- some unknown
incomplete , erases , only recent 显示答案
以上解析由 考满分老师提供。
