Sandy _____ her homework in the study now. [ ]
A. does
B. is doing
C. do
D. to do
答案:B
综合题:试述更换气门导管工艺?
发现某未经批准擅自非医师行医者(在没有给患者造成损害)时,所给予的下列处置中,不合适的是()
A.没收非法所得
B.没收其药品
C.罚款3万元
D.没收其所用器械
E.拘留20天