进行现行系统的详细调查应当在
A.可行性报告已获批准,系统逻辑模型已经确定之后
B.可行性报告已获批准,系统逻辑模型有待确定之前
C.系统逻辑模型已经确立,可行性报告提交之后
D.系统逻辑模型已经确立,可行性研究进行之前
正确答案是B
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Passage 2 There was a time in my life when beauty meant something special to me. After breakfast one Saturday morning in the orphanage(孤儿院),when I was a little boy, I saw the house parent chasing the beau