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题目内容双击单词支持查询和收藏哦～
The unexplained digressions into the finer points of quantum electrodynamics are so_____that even readers with a physics degree would be wise to keep a textbook handy to make sense of them.
- A.uninteresting
- B.controversial
- C.unsophisticated
- D.frustrating
- E.humorless
D显示答案
以上解析由 考满分老师提供。
