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题目内容双击单词支持查询和收藏哦～
Except for the special circumstance in which historians record events they themselves have witnessed, scholars can only obtain historical facts through ______ sources.
- A.biased
- B.first-handed
- C.written
- D.unreliable
- E.intermediary
E显示答案
以上解析由 考满分老师提供。
