男性,60岁,突然头痛,眩晕,呕吐,行走不稳2小时,查体一侧肢体共济失调,眼球震颤。
病变可能位于()
A.脑干
B.中脑
C.延髓
D.小脑
E.右侧基底节区
参考答案:E
School kids take part in parades on campus on Halloween, __________ in colorful costumes, after which there is a small party inside the classroom.
A.dressing
B.dressed
C.being dressed
D.dress
下列关于HBV的描述错误的是()
A.Dane颗粒是不完整的HBV颗粒
B.HBV-DNA由不完全的环状双链DNA组成
C.HBV-DNA有4个开放读码框架
D.HBV-DNA易突变
E.HBV的抵抗力很强