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题目内容双击单词支持查询和收藏哦～
Many claim that the evidence for Americans' growing social isolation is __________: families dine together a third less often than they did even in 1980 and participation in community groups and volunteer organizations has declined.
- A.undeniable
- B.indecipherable
- C.unfathomable
- D.ambiguous
- E.indefinite
- F.irrefutable
A,F显示答案
以上解析由 考满分老师提供。
