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【单选题】
某工程项目期初一次性投资4000万元，当年投产，设备寿命10年，项目每年可获得收益2500万元，每年费用支出1300万元，设社会折现率为10%，则其静态投资回收期是()年。A.
3.3
B.
3.6
C.
4
D.
4.5
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举一反三
【简答题】以小组为单位,讨论土壤样品采集的目的是什么?
【单选题】If marijuana were legalized, it is likely that there would be an increase in the supply of marijuana. Those in favor of legalizing marijuana argue that this would generate less revenue to illegal supp...
A.
demand for marijuana is elastic.
B.
demand for marijuana is inelastic.
C.
demand for for marijuana is unit elastic.
D.
none of the above.
【简答题】投影面的水平面对三个投影面的夹角α= 度,β= 度,γ= 度。
【单选题】If marijuana were legalized, it is likely that there would be an increase in the supply of marijuana. Advocates of marijuana legalization argue that this would significantly reduce the amount of reven...
A.
supply for marijuana is inelastic
B.
demand for marijuana is inelastic
C.
demand for marijuana is elastic
D.
supply for marijuana is elastic
【单选题】If marijuana were legalized, it is likely that there would be an increase in the supply of marijuana. Advocates of marijuana legalization argue that this would significantly reduce the amount of reven...
A.
supply for marijuana is elastic.
B.
demand for marijuana is elastic.
C.
supply for marijuana is inelastic.
D.
demand for marijuana is inelastic.
【简答题】人的学习主要通过（ ）。
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