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题目内容双击单词支持查询和收藏哦~
Laughter, like speech, is primarily a human faculty, although both functions may also exist in a more _____ form in lesser primates.
- A.indispensable
- B.crucial
- C.primitive
- D.intelligible
- E.recognizable
- F.rudimentary
C,F显示答案
以上解析由 考满分老师提供。