A.“四渠通漕” B.“通漕四渠” C.“渠漕四通” D.“渠通四漕”
A.牧業(yè)經(jīng)濟(jì)B.狩獵經(jīng)濟(jì)C.牧業(yè)及狩獵經(jīng)濟(jì)D.農(nóng)業(yè)經(jīng)濟(jì)
A.兩河流域 B.尼羅河 C.底格里斯河 D.幼發(fā)拉底河