碳水化合物有什么营养作用？
参考答案：
畜禽体组织的组成成分
畜禽能量的主要来源
畜禽产品的主要组成成分
具有填充和保健作用
She ______ for 15 years, yet she didn’t know what kind of man she ______.
A．had married; married
B．had been married; married to
C．had been married; had married
D．married; had married to
治疗经行泄泻之脾虚证，应首选（）
A.补中益气汤
B.香砂六君子汤
C.人参养荣汤
D.参苓白术散
E.健固汤
