信息系统的生命周期大致可分成4个阶段，即系统规划阶段、系统开发阶段、系统运行与维护阶段、系统更新阶段。其中以制定出信息系统的长期发展方案、决定信息系统在整个生命周期内的发展方向、规模和发展进程为主要目标的阶段是（）。系统调查和可行性研究、系统逻辑模型的建立、系统设计、系统实施和系统评价等工作属于（）。
其中以制定出信息系统的长期发展方案、决定信息系统在整个生命周期内的发展方向、规模和发展进程为主要目标的阶段是（）。
A.系统规划阶段
B.系统开发阶段
C.系统运行与维护阶段
D.系统更新阶段
参考答案：A
| 完形填空 A loving person lives in a loving world.A hostile (敌意的) person lives in a hostile world.Everyone you meet is your mirror. Mirrors have a very particular__1__.They reflect the image in front of them.Just as a__2__mirror works as the vehicle to reflection, __3__do all of the people in our lives. When we see something beautiful such as a flower garden, that garden__4__a reflection.When we love someone, it's a(n)__5__of loving ourselves.We have often heard things like "I love how I am when I'm with that person". That simply__6__into "I'm able to love me when I love that other person". __7__, when we meet someone new, we feel as though we "click". Sometimes it's as if we've__8__each other for a long time.That feeling can come from__9__similarities. Just as the "mirror" or other people can be a positive reflection, it is more likely that we'll__10__it when it has a negative connotation (内涵). __11__, it's easy to remember the times when we have met someone we're not particularly__12__about.We may have some criticism (批评) in our mind about the__13__.This is especially true when we get to know someone with whom we would rather spend__14__time. Oftentimes, when we__15__qualities in other people, ironically (讽刺地), it's usually the mirror that's __16__to us. At times we meet someone__17__and feel distant, disconnected, or disgusted.__18__we don't want to believe it, and it's not easy or__19__to look further, it can be a great learning lesson to__20__what part of the person is being reflected in you.It's simply just another way to create more selfawareness. | ||||
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