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问题 单项选择题

我国《证券法》规定，社会募集公司申请股票上市的条件之一是：向社会公开发行的股份达到公司股份总数的25%以上。( )

A．

A．正确

B．

B．错误

C．

C．放弃

答案

参考答案：A

单项选择题

教师在履行教育义务的活动中，最主要、最基本的道德责任是（）。

A.依法执教

B.教书育人

C.爱岗敬业

D.团结协作
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单项选择题

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 ___19___. Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to ___20___ 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 ___21___ of service attacks or steal ___22___ information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with ___23___ and worms acquired from unprotected public networks. Hackers masquerading as internal users can take advantage of weak internal security to gain access to confidential information.

23（）

A．sickness

B．disease

C．germs

D．viruses
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