基于空间分布的管理信息系统结构可以分为
A．基于客户机/服务器模式的系统和基于浏览器/服务器模式的系统
B．集中式系统和分布式系统
C．基于广域网和局域网的系统
D．基于客户机和服务器的系统
参考答案：B
解析： 根据管理信息系统的硬件、软件、数据等信息资源在空间的分布情况，系统的结构可以分为集中式系统和分布式系统两大类。选项A) 基于客户机/服务器模式的系统和基于浏览器/服务器模式的系统是分布式系统在实现时的两种不同情况。选项D) 中所说的客户机/服务器模式是通信网络连接计算机的一种体系结构。选项C) 中的广域网和局域网是计算机网络的两种不同类型。
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| Sam lives in a small town. He gets a notebook 1 a birthday gift (礼物). He wants some famous people to sign (签字) on his notebook. But famous people don't visit the small 2 . Sam puts the notebook into his schoolbag and takes it 3 him every day. One day on the 4 to school. Sam meets a doctor, Melissa. Sam takes out of his notebook and asks her,"Can you sign on my notebook?"Melissa is 5 and says, "But I am not famous. "Sam asks 6 , "Do you save lives (拯救生命)?" Melissa says,"Yes, I do. "Then Sam says,"Well, sign right here. " 7 school, Sam goes to play basketball on his neighbour's farm. His neighbour, Alex, lets all the 8 in the neighbourhood play on his farm. "Please sign on my notebook !"Sam says. "But I am not famous, "Alex says. "Do you 9 the children happy?"Sam asks. Alex answers,"Yes,I think so." Then Sam says. "So please!" Some days later, Sam's notebook is filled with autographs (满是签名). The names are all of ordinary (普通的) people's, 10 Sam loves them. | |||
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