下面关于有线电视网叙述中正确的是()。A．有线电视网是3种网络中_爱下问搜题

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问题单项选择题

下面关于有线电视网叙述中正确的是()。

A．有线电视网是3种网络中宽带程度最低的

B．有线电视网采用多种拓扑结构

C．有线电视网(CATV)采用虚拟传输方式，是一种虚拟网络

D．有线电视网覆盖全球，是覆盖面积最广的网络

答案

参考答案：C

解析：支持企业决策应该是决策支持系统的基本功能。要预测企业未来需要使用大量的预测模型，这就涉及模型库系统，所以不是管理信息系统的最基本功能。另外从管理信息系统的功能和输出能提供的信息(包括监控信息、问题信息、行动信息、决策支持信息等)来判断，也只能是监测企业运行情况和控制企业行为。

问答题论述题

什么是党员证明信？

完形填空

On Sundays my father always wore that gray apron（围裙）?the one with the race cars all over it．    21 _breakfast Dad always announced: "Go ahead everyone．I'll   22  the dishes!"
I suppose it was  23  for a boy's father to wear an apron? even one with race cars? 24 I never thought much of it until the last Sunday in August．As we  25   home slowly from church together, my father seemed very  26 ．"Tommy," he said letting my name roll off his   27 ．"There comes a time in every boy's 28  when he must take on responsibilities．It's time you 29 a greater role in the family．From now on, I want you to__30__the dishes on Sunday morning, so your mother and I can work the crossword puzzle（纵横字谜）together．"
"The dishes!?" I 31 in surprise．
"Anything wrong with taking over the dishes, son?" father said．
I started to say something about a man's 32 or woman's work, but I knew immediately that my protests（抗议）would be 33 .
I didn't taste a bit of 34 that morning．Dad seemed joyful as he described an American game．
At the end of the meal, my father   35  : "Let's go read the paper, Honey．" "Aren't you doing the dishes?" my   36  asked surprisedly．Father smiled and said, "your oldest son has 37 to fill the position．"
"I want you to have this apron on, Tommy．It'll keep your clothes from getting 38 ．" And before I could go against it, he had put the thing on me．"Thanks, Son．Your mother and I 39 this．"
With that he disappeared into the Sunday paper．I looked 40 at the dishes．I could see my dad reaching for the dishes．He was always happy to help the family．My anger soon flew off and I began to sing．

B．take care of

A．turned down