【单选题】
具有推动呼吸和血行功能的气是___
A. 心气
B. 肾气
C. 卫气
D. 宗气
E. 防气
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答案
D
解析
暂无解析
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Q3: What did Stephen’s mother teach him later?___
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Q4: What did Stephen learn from this experience?___
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