真空干燥保存抗血清要求制品内水分应是()
A.<1%
B.<0.2%
C.<2%
D.<0.5%
E.<5%
参考答案:B
轻型(小型)口疮临床表现不包括()
A.间隔一段时间复发
B.7~10天后自愈,不留瘢痕
C.溃疡融合,成片出现
D.水疱破溃形成溃疡,表面有黄白色假膜覆盖
E.口腔黏膜充血水肿,出现粟粒样水疱自觉灼痛
— How about talent show?
— I should say it was great success. [ ]
A. / ; the
B. a ; the
C. the; a
D. the; /