A.20000 B.23400 C.2l000 D.24400
A.農(nóng)業(yè)社會(huì)B.經(jīng)濟(jì)主義C.科技社會(huì)D.社會(huì)主義
A.霸權(quán)B.保護(hù)C.單邊D.排外