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题目内容双击单词支持查询和收藏哦～
Although boredom is ____________, recent research indicates that excessive amounts of it can be harmful to health.
- A.trivial
- B.unexceptional
- C.unpleasant
- D.commonplace
- E.unimportant
- F.benign
B,D显示答案
以上解析由 考满分老师提供。
