龙骨与牡蛎的共同功效是()
A.平肝潜阳,清肝明目
B.平肝潜阳,纳气平喘
C.平肝潜阳,软坚散结
D.平肝潜阳,收敛固涩
E.平肝潜阳,清热利尿
参考答案:D
---_________do you write a letter to your father?
--- I seldom or never do that now. Instead, I call or e-mail him almost every day.
A.How soon
B.How long
C.How much
D.How often
香囊中含有与天然麝香相同的麝香酮、降麝香酮成分的动物是
A.复齿鼯鼠
B.麝鼠
C.中华鼢鼠
D.大灵猫
E.小灵猫