【名词&注释】
质量保证(quality assurance)、工作性质(nature of work)
[单选题]Linux中，下列()命令可以更改一个文件的权限设置。
A. attrib
B. file
C. chmod
D. change
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举一反三：
[单选题]A quality assurance team should be(75)。① associated with any particular development group
A. ② depended upon any particular development group
B. ③ responsible for reporting directly to management
C. ④ In-depended upon any particular development group
D. ①②
E. ②③
F. ③④
G. ①②③④
[单选题]Artificial intelligence (AI) ,an interdisciplinary field, is usually regarded as a branch of computer science, dealing with models and systems for the performance of functions generally associated with human intelligence, such as(71)and learning.In AI, knowledge-based system is an information(72)system that provides for solving problems in a particular domain or application area by drawing inferences from a knowledge base. Moreover, some knowledge-based systems have learning capabilities. Expert system (ES) indicates the knowledge-based system that provides for solving problems in a particular domain or application area by drawing inferences from a knowledge base developed from human(73). Some expert systems are able to(74)their knowledge base and develop new inference rules based on their experience with previous problems. The term "expert system" is sometimes used(75)with "knowledge-based system", but should be taken to emphasize expert knowledge.
A. inferring
B. reasoning
C. deriving
D. proving
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