A.The doctor is not at the office.B.The doctor doesn't want to see him.C.The doctor is
A. The doctor is not at the office.
B. The doctor doesn't want to see him.
C. The doctor is busy writing an appointment book.
D. The doctor has been fully engaged.
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A.look upB.look downC.look awayD.lo0k back
A. look up
B. look down
C. look away
D. lo0k back
经济利润模型与现金流量折现模型在本质上是一致的,但是现金流量具有可以计量单一年份价值增加的优点。而经济利润却做不到。 ()
A. 正确
B. 错误