Ⅴ.子系统间的数据共享 A. Ⅰ到Ⅲ B. Ⅱ到Ⅳ C. Ⅲ到Ⅴ D. Ⅰ到Ⅴ 参考答案:D 答案解析:[解析] 结构图勾画出:①每一系统的范围。②产生、控制和使用的数据。③系统与系统的关系。④对给定过程的支持。⑤子系统间的数据共享。信息结构图是企业长期数据资源规划的图形表示,是现在和将来信息系统开发和
第20题: [单项选择]What does the growing violence show( ) A. The criminal groups are growing very rapidly. B. The criminal groups can get more profits now. C. Mexican government has not been serious about the drug trade. D. Mexican government is effective in fighting the drug trade. 参考答案:D