Due to the widespread ___________   of this medical technology, more diseases can be discovered

and treated at an early stage.   [ ]

A. presentation    

B.application    

C. qualification    

D. appreciation

下述不能用于治疗痤疮的药物是（）

A.壬二酸

B.阿达帕林

C.克霉唑

D.过氧苯甲酰

E.异维A酸