【单选题】According to the passage, in the Cepheid variable method all of the following have a significant role in the calculation of the distance of a galaxy EXCEPT
A.
The intrinsic luminosity of a Cepheid
B.
The comparative luminosity of ordinary stars
C.
The observed brightness of the Cepheid
D.
The data suggesting the expansion of the universe
E.
The correction of the period-luminosity relation for the star being observed
【单选题】The method that allocates costs explicitly including all the services rendered (provided) among all support departments is the:
B.
Step-down (sequential) method
D.
Cost allocation method
【单选题】以下关于函数的叙述中正确的是
B.
可以在程序中由用户指定任意一个函数作为主函数,程序将从此开始执行
C.
C 语言规定必须用 main 作为主函数名,程序将从此开始执行,在此结束
D.
main 可作为用户标识符,用以定义任意一个函数
【简答题】Our (succeed)______ and their failure has proved beyond all doubt that our method is far better than theirs.
【单选题】下列关于函数的叙述正确的是( )。
B.
每个C程序源文件中都必须有一个main()函数
D.
C程序中所有函数之间都可以相互调用,与函数所在位置无关
【单选题】中间再热锅炉在锅炉启动过程中,保护再热器的手段有()
【单选题】软件需求是软件生命周期的第一个阶段。成功地开发软件产品,首先需要深入理解待用软件解决的问题----软件需求。需求分析中,开发人员要从用户那里解决的最重要的问题是________。
【单选题】All @param tags in a method's documentation comment must
B.
appear after the general description of the method
C.
appear before the method header