数据库设计分为以下6个设计阶段：需求分析阶段、 【4】 、逻辑设计阶段、物理设计阶段 发布时间：2019-04-13 16:40 │ 来源：www.tikuol.com 题型：填空题 问题： 数据库设计分为以下6个设计阶段：需求分析阶段、 【4】 、逻辑设计阶段、物理设计阶段、实施阶段、运行和维护阶段。
题型：填空题 阅读短文，回答下列问题。 What is color? Why do some of the things around us look red, some green, others blue? Colors are really made by reflected (反射) light. We see color because most of the things reflect light. In the same way,if something is green, it reflects most of the green light. If something reflects all light, it is white. If it doesn't reflect any light, it is black. Some of the light is reflected and some is taken in (吸引) and turned into (变成) heat (热能).The darker the color is, the less light is reflected, the more light is taken in. So dark-coloredclothes are warmer in the sun than light-colored clothes. 1. When something reflects light, we can .[ ]A. see its color B. see its heat C. not see its color D. see nothing 2. Something looks white because it reflects .[ ]A. some light B. no light C. all light D. most light3. The dark-colored clothes are warm because is taken in.[ ]A. more light B. less light C. more color D. less color4. In summer make people feel cool.[ ]A. dark-colored clothes B. red-colored clothes C. green-colored clothes D. light-colored clothes 5. What's the best title (标题) of this passage (短文)?[ ]A. Dark color B. Color C. Heat D. Clothes 查看答案
题型：填空题 某企业2013年年初未分配利润的贷方余额为200万元，本年度实现的净利润为100万元，分别按10%和5%提取法定盈余公积和任意盈余公积。假定不考虑其他因素，该企业2013年年末未分配利润的贷方余额应为（）万元。A.205B.255C.270D.285 查看答案
题型：填空题 有关“护理程序”概念的解释，哪项不妥 ( )。A．是指导护士工作及解决问题的工作方法B．其目标是增进或恢复服务对象的健康C．是以系统论为理论框架D．是有计划、有决策与反馈功能的过程E．是由估计、诊断、计划、实施四个步骤组成 查看答案