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【单选题】
下列关于NetWare容错技术，错误的是( )。A.
系统容错技术主要有三级容错机制、事务跟踪系统与UPS监控
B.
第三级容错提供了文件服务器镜像功能
C.
NetWare的三级容错机制是区别于其他网络操作系统的重要特征
D.
UPS监控用来防止在写数据库的过程中因系统故障而造成数据丢失的情况
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【单选题】Why does the author say that American education owes a great debt to T homas Jefferson?
A.
Be cause Jefferson believed that only a nation of educated people could re main free .
B.
Because his contribution to US
【单选题】下列哪一种属于人力资源( )?
A.
对生产活动及其与生产活动有关的一切活动的事、物描述的符号集合，具有共享性
B.
是一个国家或地区在一定时期内的所有人的总数
C.
是一个国家或地区具有或将具有为社会创造物质财富和文化财富的、从事体力劳动和智力劳动的人的总称
D.
是人口中符合 法定劳动年龄 、具有现实的劳动能力，并且参加社会就业的那一部分人
【简答题】Why Jefferson and Roosevelt are acknowledged in the history of United States?
【单选题】Which of the following can be inferred from what Thomas Jefferson said? ( )
A.
Europe was changing more quickly than America.
B.
Europe had greater need of farm machinery than America did.
C.
America was finally running out of good farmland.
D.
There was a shortage of workers on American farms.
【单选题】Why was Jefferson chosen to write the Declaration of Independence ?
A.
Because his talents in many fields and his contribution to US
B.
Because he was a good and tireless writer whose complete works fill than fifty volumes.
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