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案例分析题在虚拟页式存储管理中，缺页中断属于（），其功能不包括（）。 在虚拟页式存储管理中，缺页中断属于（）
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In the 1960s, medical researchers Thomas Holmes and Richard Rahe developed a checklist of stressful events. They appreciated the tricky point that any major change can be stressful. Negative events like "serious illness of a family member" were high. on the list, but so were some positive life-changing events, like marriage. When you take the Holmes-Rahe test you must remember that the score does not reflect how you deal with stress--it only shows how much you have to deal with. And we now know that the way you handle these events dramatically affects your chances of staying healthy. By the early 1970s, hundreds of similar studies had followed Holmes and Rahe. And millions of Americans who work and live under stress worried over the reports. Somehow, the research got boiled down to a memorable message. Women’s magazines ran headlines like "Stress causes illness." If you want to stay physically and mentally healthy, the articles said, avoid stressful events. But such simplistic advice is impossible to follow. Even ff stressful events are dangerous, many--hke the death of a loved one- are impossible to avoid. Moreover, any warning to avoid all stressful events is a prescription (处方) for staying away from opportunities as well as trouble. Since any change can be stressful, a person who wanted to be completely free of stress would never marry, have a child, take a new job or move. The notion that all stress makes you sick also ignores a lot of what we know about people. It assumes we’re all vulnerable (脆弱的) and passive in the face of adversity (逆境). But what about human initiative and creativity Many come through periods of stress with more physical and mental vigor than they had before. We also know that a long time without change or challenge can lead to boredom, and physical and mental strain. The result of Holmes-Rahe’s medical research tells us ______.
案例分析题关系数据库是（）的集合，它由一个或多个关系模式定义。关系数据库的规范化理论指出：关系数据库中的关系应满足一定的要求，最起码的要求是达到1NF，即满足（）。因此，通常情况下，（）不可以作为关系数据库的关系。 关系数据库的规范化理论指出：关系数据库中的关系应满足一定的要求，最起码的要求是达到1NF，即满足（）。
一个人到底是做出好的行为还是做出坏的行为，跟他生命的长短有关。如果他只活一天的话，他去偷人家的东西就是最好的，因为他不会遭受担心被抓住的痛苦。对于还能活20年的人来说，偷人家的东西就不是最好的，因为他会遭受担心被抓住的痛苦。 如果以下各项陈述为真，除了哪项之外，都能削弱上述论证
已知某显示器的分辨率为1024×768，那么用它浏览一幅分辨率为500×400的图．像时，下列说法正确的是 (54) 。
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