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教育命题要获得意义性，要注意哪些问题？

答案

参考答案：（1）教育命题中涉及的主要词项的逻辑含义要单一，还能一词多义

（2）对命题中的两个甚至两个以上的概念之间的关系，通过命题中项作出明确的判断

（3）使命题在理论体系中获得意义

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 （1）. Third parties can introduce risk in a variety of ways from connecting with an infected laptop to unauthorized access of network resources to（2）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（4）of service attacks or steal （5） information by snooping the network. As they access the corporate network, mobile and remote users inadvertently can infect the network with （6）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.

1（）

A.damageable

B.susceptible

C.changeable

D.vulnerable
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单项选择题

在完全竞争的条件下，如果某商品的价格等于平均成本，那么（）。

A.将有新的厂商进入这个行业

B.原有的厂商将有部分退出这个行业

C.既没有厂商进入也没有厂商退出

D.既有厂商进入也有厂商退出
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