以下选项中,最适合于用交互式计算机软件解决的问题是 (2) 。
A. 非结构化决策问题
B. 半结构化决策问题
C. 结构化决策问题
D. 确定性问题
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If Sam had enough money with him, he on the trip to Malaysia.
A) would have gone
B) had gone
C) went
D) would go
Mary her thick coat because it was snowing.
A) put back
B) put on
C) put away
D) put aside
There are three young people in our group. of them are girls.
A) No one
B) All
C) Either
D) Both
James Martin明确计算机有4类数据环境,独立于应用项目,具有较低的维护成本,应用开发效率较高的是 (7) 。
A. 数据文件
B. 应用数据库
C. 主题数据库
D. 信息检索系统