问题 单项选择题

数据流图(DFD)对系统的功能和功能之间的数据流进行建模,其中顶层数据流图描述了系统的() 。

A、处理过程

B、输入与输出

C、数据存储

D、数据实体

答案

参考答案:B

问答题

       有人认为洋务运动采用大机器生产,启动了中国近代化的进程,具有进步意义;也有人认为洋务运动的目标是维护清朝统治,没有使中国富强起来,不值得肯定,结合所学知识,回答:

1、 持续了三十多年的洋务运动为什么会以破产而告终?

                                                                                                                                                             

                                                                                                                                                             

2、 如何客观的评价洋务运动?

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

填空题