细胞外液含钠量增多时可引起______。
A.细胞水肿
B.组织水肿
C.血液浓缩
D.血液稀释
E.尿量增多
参考答案:C
John was________to learn the news that he was rejected by the committee. [ ]
A. cast down
B. cast off
C. cast about
D. cast away
某单位要在大型服务器上安装一种多用户、多任务一GPL操作系统,最适合的操-作系统是()。
A.Linux
B.Windows Server
C.Windows XP
D.OS/2