Is this a teacher's desk?
-Yes,________.[ ]
A. it isn't
B. is it
C. it is
答案:C
水痘的并发症有()
A.皮肤继发感染
B.水痘肺炎
C.血小板减少
D.心肌炎、肾炎
E.脑炎、Reye综合征
有关CD14描述不正确的是
A.是单核系较特异的抗原B.成熟单核细胞表达C.在M5a中常阳性D.在M5b中常阳性E.在M5a中常阴性