三氯叔丁醇（）
A．抑菌剂
B．局部止痛剂
C．两者均是
D．两者均不是
参考答案：C
---The sick kids look unhappy. What shall we do?
--- Let's do something to ___________.
A．cheer them up
B．cheer him up
C．take care of him
D．look them after
本病毒主要侵犯B细胞，引起传染单核细胞增多症等
A．单纯疱疹病毒B．巨细胞病毒C．丙型肝炎病毒D．乙型肝炎病毒E．EB病毒
