A.46.8% B.56.8% C.66.8% D.76.8%
A.0.5-0.6 B.0.3-0.4 C.0.7-0.8 D.0.2-0.3
A.土地經(jīng)濟(jì)生產(chǎn)潛力 B.土地經(jīng)濟(jì)生產(chǎn)力 C.土地自然生產(chǎn)潛力 D.土地生產(chǎn)力