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问题 单项选择题

业主确需改变公共建筑和共用设施用途的，在依法办理有关行政审批手续前，需要讨论同意的机构是( )。

A．业主大会
B．业主委员会
C．物业服务企业 D．建设单位

答案

参考答案：A

解析： 参见第3题解析。

单项选择题

手用丝锥的材料一般用（）钢制造。

A.合金工具

B.高速

C.轴承

D.合金工具钢或轴承
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单项选择题 共用题干题

To compete in today's fast-paced competitive environment, organizations are increasingly allowing contractors, partners, visitors and guests to access their internal enterprise networks.These users may connect to the network through wired ports in conference rooms or offices, or via wireless access points. In allowing this open access for third parties, LANs become(6) .Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to(7)activity. For many organizations, however,the operational complexity and costs to ensure safe third party network access have been prohibitive. Fifty-two percent of surveyed CISOs state that they currently use a moat and castle's security approach, and admit that defenses inside the perimeter are weak. Threats from internal users are also increasingly a cause for security concerns. Employees with malicious intent can launch (8) of service attacks or steal (9) information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with (10) and worms acquired from unprotected public networks. Hackers masquer-ading as internal users can take advantage of weak internal security to gain access to confidential information.

空白处（10）应选择（）

A.sickness

B.disease

C.viruses

D.germs
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