生命周期成本预算概念阶段的四类成本是:()。
A、运营/维护、报废、直接、可变
B、间接、辅助、开发、生产
C、运营/维护、开发、生产
D、间接、辅助、间接、直接
参考答案:C
Which of the following statements about testing software with data is (are) true Ⅰ. The primary purpose of such testing is to find errors. Ⅱ. Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.
A.Neither
B.I only
C.Ⅱonly
D.Ⅰand Ⅱ
辛亥革命是中国比较完全意义上的资产阶级民主革命。