闭目难立征阳性,但睁眼后能站稳,病变在()。
A.小脑
B.基底节
C.大脑皮质
D.前庭神经
E.脊髓后束
参考答案:E
— I'm sure Andrew will come out first in this gymnastic competition.
— I think so. He ________ for it for months. [ ]
A. is preparing
B. was preparing
C. had been preparing
D. has been preparing
NetWare是局域网操作系统,它的系统容错(SFT)分为3级,其中第3级系统容错采用
A.写后读验
B.文件服务器镜像
C.磁盘双工
D.双重目录与文件分配表