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题目内容双击单词支持查询和收藏哦～
An investigation that is_____can occasionally yield new facts, even notable ones, but typically the appearance of such facts is the result of a search in a definite direction.
- A.timely
- B.unguided
- C.consistent
- D.uncomplicated
- E.subjective
B显示答案
以上解析由 考满分老师提供。
