题目内容：
冲脉起于
A．中焦 B．胞中 C．胸中 D．手小指端 E．足大趾端
参考答案：
选择题：冲脉起于
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(50)We are thus led to distinguish, within the broad educational process which w
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Brain researchers have discovered that the formation of new habits can be
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A complex B comprehensive C complementary D compensating
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马克思主义政治经济学研究生产关系（ ）A．要在经济制度和经济体制两个层次上研究生产关系B．要在生产力和生产关系的对立统一中研究生产关系C．要在经济基础和上层建筑的对立统一中研究生产关系D．要在人的因素和