脊髓的副交感神经低级中枢位于()
A.全部骶节中
B.胸部和腰部脊髓侧角
C.腰2-4节内
D.骶2-4节内
E.骶1-3节内
参考答案:D
证券发行可分为( )两种形式。
A.公募发行
B.私募发行
C.网上发行
D.网下发行
E.直接发行
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