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【单选题】
某项目的基准收益率I0=14%,其净现值NPV=18.8万元。现为了计算其内部收益率,分别用I1=13%,I2=16%,I3=17%进行试算,得出NPV1=33.2万元,NPV2=-6.1万元,NPV3=-10.8万元。则采用内插法求得的最接近精确解的内部收益率为( )A.
15.31%
B.
15.51%
C.
15.53%
D.
15.91%
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举一反三
【单选题】NASA's working definition for 'life' is: "Life is a self-sustaining system capable of ______________ evolution."
A.
rapid
B.
Darwinian
C.
slow
D.
radical
【单选题】— If you need help, please turn to me. — _____. It's so kind of you. [ ]
A.
Not at all
B.
Sure, I will
C.
Nothing serious
D.
I know that for sure
【单选题】— It's so kind of you to give me a ride to the station. — ______. [ ]
A.
It doesn't matter
B.
Never mind
C.
Don't mention it
D.
Not at all. It's a pleasure
【单选题】It's so kind of you to help us. Without your help, we couldn't have finished the work___________. [ ]
A.
in a time
B.
at no time
C.
ahead of time
D.
behind time
【单选题】When did NASA．staff working on a successor to the shuttle? A．One year before the Columbia disaster.
B.
One year after the Columbia disaster.
C.
Immediately after the Columbia disaster.
D.
Years before the Columbia disaster.
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