单项选择题

Software document is an important part of software and a basis of software development phase. It also influences software's( ).

A．reusability
B．maintenance
C．expansibility
D．portability
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单项选择题
在软件需求规范中，下述( )可以归类为过程要求。
A．执行要求
B．可移植性要求
C．可靠性要求
D．效率要求
单项选择题
Specifications for software should contain several components, e. g., specifications of information flow, user interface, functional requirements, and design constraints. Two other important components are specifications of the( ).
A．methods of testing and ways to obtain quality assurance
B．criteria for testing and ways to obtain quality assurance
C．methods of testing and criteria for function assurance
D．criteria for testing and methods of function assurance
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