对隐孢子虫病有一定治疗效果的药物是（）
A.螺旋霉素
B.链霉素
C.青霉素
D.非甾体抗菌药
E.免疫抑制剂
参考答案：A
--- Mum, I am feeling tired and sleepy now.
--- You so late last night.
A．couldn’t have stayed up
B．mustn’t have stayed up
C．shouldn’t have stayed up
D．needn’t have stayed up
润滑油的检测项目之机械杂质？
