單項(xiàng)選擇題

資源開(kāi)發(fā)利用技術(shù)經(jīng)濟(jì)效果評(píng)價(jià)的經(jīng)濟(jì)可行性標(biāo)準(zhǔn)為：（）

A、實(shí)際經(jīng)濟(jì)效益／預(yù)期經(jīng)濟(jì)效益下限≥1
B、實(shí)際經(jīng)濟(jì)效益／預(yù)期經(jīng)濟(jì)效益下限=1
C.實(shí)際經(jīng)濟(jì)效益／預(yù)期經(jīng)濟(jì)效益下限≤1
D、實(shí)際經(jīng)濟(jì)效益／預(yù)期經(jīng)濟(jì)效益下限＜1

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