[单项选择]下列说明中，不属于随机文件特点的是（ ）。
A. 可以随意读取随机文件中任一记录的数据
B. 随机文件没有只读或只写的操作方式，随机文件只要一打开，就既可读又可写
C. 随机文件的操作是以记录为单位进行的
D. 随机文件的读、写操作语句与顺序文件的读写操作语句一样

[单项选择]( )的工具能够帮助项目组织的管理和管理过程实现电子化和知识化。项目负责人可以为其所管理的项目确定适当的过程，项目管理团队在项目的执行过程中也可以随时对其应完成的任务进行深入的了解。
A. 沟通管理
B. 过程管理
C. 风险管理
D. 资源管理

[单项选择]检索特定的数据或数值，应该优先选择的数据库系统类型是（）
A. 数据类型数据库
B. 学术数据库
C. 多媒体数据库
D. 休闲娱乐数据库

[多选题]根据水源不同,可将矿井水害分为()。
A.地表水水害
B.岩溶水水害
C.孔隙水水害
D.裂隙水水害

[填空题]Addison Heard uses an image of his wife and infant son for the background on his laptop. An MBA student at the University of Virginia’s Darden School of Business, Heard thinks about his family constantly. But because he’s away at B-school, he has experienced much of his son’s first year via phone calls and digital photos. Says Heard, "It has been particularly hard, not being there with them every day. "
This was his family’s choice. It didn’t make financial sense for his wife, Eden, a corporate lawyer in Washington, to quit her job, sell their condo(公寓), and move to Charlotterville with her husband. So he went alone. In his first year each spouse made the 200-mile round-trip commute on alternate weekends. Since their son was born last May, Addison has been doing most of the driving.
As complicated as the Heard’s situation seems, it isn’t all that rare. In any year, hundreds of couples deal with how to handle the family logistics (后勤工作) of going to B-school. Some choose a

[简答题]FAS系统通过RS232通讯与BAS系统实现火灾联动功能

[单选题]正态分布曲线下，横轴上从均数μ到μ＋1.96σ的面积为
A.45%
B.95%
C.48.8%
D.47.5％
E.97.5%

[单项选择]男性，58岁，进行性贫血、消瘦、乏力半年，有时右腹隐痛，无腹泻。查体：右中腹部扪及肿块，肠鸣音活跃。
下列各项检查可明确诊断的是
A. 纤维结肠镜
B. CEA
C. CT
D. B超

[单项选择]储蓄是经济增长的资源基础，但最大限度的储蓄增长率决不是最优的经济增长率，只有适度的储蓄增长率才容易带来较大的经济增长率。 对这段话理解正确的一项是( )。
A. 储蓄增长率应与经济增长率相等
B. 储蓄增长率与最优的经济增长率成反比
C. 储蓄增长速度如果无限度地增长，会影响经济增长速度
D. 最大限度的储蓄增长率要求最优的经济增长率与之相适应

[多项选择]下面哪组肌肉受累，以致不能维持换气功能而形成肌无力危象
A. 面肌
B. 延髓肌
C. 呼吸肌
D. 膈肌
E. 颈肌

[单选题]反映政府干预经济程度的指标是（ ）。
A.财政收入征管效率
B.财政支出绩效水平
C.中央财政支出占全国财政支出的比重
D.政府支出占国内生产总值的比重

[单项选择]