信息系统可行性分析的过程不包括
A.确定可选方案
B.确定最优方案
C.撰写可行性分析报告
D.建立系统逻辑模型
参考答案:D
After the earthquake, the family decided to move out though there were no ____ signs of damage to their house.
A.precise
B.regular
C.apparent
D.adequate
奶油压炼和加盐的目的是什么?