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【单选题】
如果说，人类对茫茫宇宙的认知，永远没有完结，认知也非常有限，需要人类去探索，那么，人类对自身发展认知的()就更加紧迫和极具挑战。
A.
知识
B.
了解
C.
把握
D.
学习
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Naturally the young are more inclined to novelty than their elders and it is in their speech, as it always was, that most of the vocabulary changes originate. But listening critically to their talk I ...
A.
lack linguistic originality
B.
have always been interested in magic
C.
are becoming more superstitious
D.
are interested in magic when young