鹅口疮虚火上浮证的首选方剂是()
A.益黄散
B.知柏地黄丸
C.六味地黄丸
D.沙参麦冬汤
E.养胃增液汤
参考答案:B
解析:鹅口疮虚火上浮证当治以滋阴降火,方选知柏地黄丸。
釉质晶体的硬度最大的是()
A.不成熟乳牙
B.成熟乳牙
C.年轻恒牙
D.老年恒牙
E.没有差别
The world's supplies of copper()
A.have gradually being exhausted
B.are gradually exhausted
C.has been gradually exhausted
D.are being gradually exhausted