下列哪个方剂中同时包含龙骨、牡蛎两味药（）
A.羚角钩藤汤
B.镇肝息风汤
C.天麻钩藤饮
D.朱砂安神丸
E.大定风珠
参考答案：B
--- My son is _____ to be seen. Where has he gone?
--- I think he _____ in the building.
A．nowhere; must be hiding
B．nowhere; must be hidden himself
C．anywhere; hides
D．everywhere; hides himself
选择护理措施要考虑哪些问题？
