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【单选题】
以下有现值的观点正确的是( )A.
能够直接说明项目整个运营期内各年的经营成果；
B.
能够明确反映项目投资中单位投资的使用效率；
C.
全面考虑了项目在整个计算期内的经济状况
D.
不需要确定基准收益率而直接进行互斥方案的比选。
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【简答题】你将听到5段对话，听完每段对话后，选择正确答案。 1. Why was there a fire? [ ] A. Because an old man wasn't careful with matches. B. Because an old man left the stove on. C. Because a little boy played with fire. 2. Does ...
【单选题】What does “stove-sick” mean in “...how could he enjoy anything when he was so stove-sick?” in para.18?
A.
having kind of sickness
B.
being sick of the stove
C.
Missing the stove
D.
being afraid of the stove
【简答题】An old farmer lived on a farm in the mountains with his young grandson. Each morning Grandpa was up early sitting at the kitchen table 1 his book. His grandson wanted to be just like him and tried to ...
【简答题】如图所示，两个电磁换向阀分别控制两液压缸换向，用压力继电器能否控制缸A和缸B的动作顺序?为什么?
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