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问题 单项选择题

设函数f(x)是连续且单调增加的奇函数，，则φ(x)是( )

A．(A) 单调增加的奇函数

B．(B) 单调减少的奇函数

C．(C) 单调增加的偶函数

D．(D) 单调减少的偶函数

答案

参考答案：B

解析：所以φ(x)为单调减少的奇函数，选(B)．

问答题

加快资本周转速度对剩余价值生产有什么影响？
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单项选择题

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

In security, an (1) is a form of possible loss or harm in a computing system; examples of exposures are unauthorized disclosure of data, modification of data, or (2) of legitimate access to computing. A vulnerability is a weakness in the security system that might be exploited to cause loss or harm. A human who exploits a vulnerability perpetrates an attack on the system. Threats to computing systems are circumstances that have the potential to cause loss or harm; human attacks are examples of threats, as are natural disasters, inadvertent human errors, and internal hardware or software (3) . Finally, a control is a protective measure an action, a device, a procedure, or a technique - that reduces a vulnerability. The major (4) of computing systems are hardware, software, and data. There are four kinds of threats to the security of a computing system: interruption, interception, modification, and (5) . The four threats all exploit vulnerabilities of the assets in computing systems.

3（）

A．problems

B．flaws

C．defect

D．shortcoming
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