下列物质哪种物质不是抗体
A.新生儿从母体得到的IgGB.胎盘球蛋白C.IgAD.抗毒素血清E.免疫佐剂
参考答案:E
青霉素过敏试验,皮内注射0.1mL含青霉素( )
A.10-20U
B.20-40U
C.20-50U
D.50—100U
E.40-60U
A. Thank you B. It’s my pleasure C. By the way D. No, ofcoursenot E. Nevermind
A.What a beautiful dress! B:______. I just got it yesterday.