可行性研究包括投资机会研究、初步可行性研究、详细可行性研究、项目的评估和决策4个工作阶段。（）
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可行性研究的具体步骤包括接受委托、调查研究、方案选择和优化、财务评价和国民经济评价、编制可行性研究报告。（）
A. 对
B. 错
______he has surpassed every other English writer is in his ballads and songs.
At where
B. In which
C. Where
D. At which
This is______ we change from car to bus.
A. in where
B. at which
C. for which
D. where
This part of town is______ the upper class live.
A. in where
B. where
C. on which
D. at which
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