结核分枝杆菌形态学诊断最常用的染色方法是
A.革兰染色
B.抗酸染色
C.美兰染色
D.镀银染色
E.棉兰染色
参考答案:B
下列过程定义语句中,参数不是对象的定义语句是
A.Sub Pro4 (x As For
B.Sub Pro4 (y As Contro
C.Sub Pro4 (Forml As Form,Labell As Contro
D.Sub Pro4 (x As Currenc
简述蝇类的孳生物及种类。