NetWare操作系统是Novell网络系统的核心，它是一个多任务操作系统。
A．正确
B．错误
参考答案：对
In front of the city hall stands a statue of a monkey, _____ is said to bring good fortune to those who pat his head.
A．that
B．it
C．which
D．one
正常成人的脑灌注压为（）
A.75～100mmHg
B.50～60mmHg
C.100～115mmHg
D.30～70mmHg
E.110～140mmHg
