药物与适宜基质制成的具有一定形状的供人体腔道内给药的固体制剂称为()
A.包合物
B.固体分散体
C.栓剂
D.微球
E.纳米粒
参考答案:C
设定义在R上的奇函数f(x)满足f(x+3)=-f(1-x),若f(3)=2,则f(2013) = .
Everything is not in good order but _________.
A.at six and seven
B.at sixes and sevens
C.sixes and sevens
D.on sixes of sevens