提出综合评价和结论,是()阶段的主要内容之一。
A.项目建议书
B.预可行性研究
C.可行性研究
D.初步设计
参考答案:C
某文本型字段的值只能是字母且不允许超过4个,则可将该字段的输入掩码属性定义为( )。
A.AAAA
B.&&&&
C.LLIL
D.####
“Knowledge is power”, “Do not wear out your welcome” and “From saving comes having” are proverbs that are related to ______.
A.thrift
B.navigation
C.great English literary works
D.individualism