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～
Although the claim that no one knows what dark matter is remains _____________, some scientists dispute the parallel assertion that dark matter has not been detected.
- A.contentious
- B.questionable
- C.sound
- D.prominent
- E.unassailable
- F.unverifiable
C,E显示答案
以上解析由 考满分老师提供。
