A.工业,商业 B.商业,商业 C.商业,工业 D.工业、工业
A.普惠制税 B.最惠国税 C.特惠税 D.普通税
A.进出口商品结构 B.劳动生产率 C.货币因素 D.国民经济运行机制
A.having been given B.to have been given C.having given D.to have given
凭样品买卖
A.concluded B.conclude C.to conclude D.concluding
A.高度集中 B.统得过死 C.政企不分 D.国内外市场价格割断