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问题:

[单选题] Many of the activities performed during the preliminary investigation are still being conducted in (  ), but in much greater depth than before. During this phase, the analyst must become fully aware of the (  ) and must develop enough knowledge about the (  ) and the existing systems to enable an effective solution to be proposed and implemented.Besides the (  ) for process and data of current system, the deliverable from this phase also includes the (  ) for the proposed system.
问题1选项
A.analysis phase
B.design phase
C.implementation phase
D.maintenance phase
问题2选项
A.main symptom
B.root problem
C.final blueprint
D.data specification
问题3选项
A.hardware environment
B.testing environment
C.software environment
D.business environment
问题4选项
A.logical models
B.physical models
C.design models
D.implementation models
问题5选项
A.hardware and software specification
B.system performance specification
C.formal requirements definition
D.general problem statement
答案解析:

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