下列腧穴中,平于第7胸椎棘突下的是()。
A.肝俞
B.脾俞
C.胃俞
D.膈俞
E.三焦俞
参考答案:D
—I'm sorry for I said.
—It doesn't matter.[ ]
A. how
B. which
C. what
D. where
态度的作用有哪些