【单选题】
构成胚胎的原始物质是___
A. 先天精气
B. 后天精气
C. 水谷精气
D. 自然清气
E. 营气
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答案
A
解析
暂无解析
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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【单选题】
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