The Four Times of Reforms of Acupuncture Instruments and Dose-Effect Relationship

The Reform of Acupuncture Tools

The Reform of Acupuncture Tools Part 1

1、单选题:
‎The creation of stone tool was originated from (    ).‍‎‍
选项:
A:  3 million years ago
B: the Paleolithic Era
C: the Neolithic Era
D: Qin Dynasty
答案: 【 the Paleolithic Era

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