下列病原体中,可引起慢发病毒感染的是()
A.HSV
B.丙型肝炎病毒
C.朊粒
D.巨细胞病毒
E.EB病毒
参考答案:C
When I entered the room, I found Mary ______ at the desk ______ her homework.
A.sat; doing
B.sitting; to do
C.seating; to do
D.seated; doing
痢疾病机中形成湿从寒化而成寒湿痢的主要条件有()
A.气虚
B.阳虚
C.肾虚
D.嗜食生冷
E.脾胃虚弱