A.實際城鄉(xiāng)收入差距B.預(yù)期城鄉(xiāng)收入差距C.農(nóng)業(yè)剩余勞動量D.城市就業(yè)概率
A.0B.0.2C.0.4D.0.5
A.1.0B.1.25C.1.5D.1.9