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【多选题】
在信息系统运行与维护阶段,安全管理的关键风险点包括( )。A.
硬件设备分布物理范围广,种类繁多,安全管理难度大,可能导致设备生命周期短
B.
业务部门信息安全意识薄弱,对系统和信息安全缺乏有效的监管手段
C.
对各种计算机病毒防范清理不力,导致系统运行不稳定甚至瘫痪
D.
缺乏对信息系统操作人员的严密监控,可能导致舞弊和利用计算机犯罪
E.
对系统程序的缺陷或漏洞安全防护不够,导致遭受黑客攻击,造成信息泄露
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【简答题】掷标枪时使脊柱回旋的肌肉是同侧( )和对侧( )
【单选题】Britain completed her railway system by _____________.
A.
1805
B.
1820
C.
1850
D.
1870
【单选题】He have completed his work otherwise, he wouldn’t be enjoying himself by the seaside.
A.
． should
B.
． must
C.
． wouldn’t
D.
． can’t
【单选题】Not until ______ himself seriously ill.
A.
he had completed the task did he find
B.
had he completed the task did he find
C.
he completed the task had he found
D.
did he complete the task he had found
【单选题】Not until ______ himself seriously, iii.
A.
he had completed the task did he find
B.
had he completed the task did he find
C.
he completed the task had he found
D.
did he complete the task he had found
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