国际挂号印刷品专袋每袋的补偿标准是人民币()元。
参考答案:1580
甲数的2倍比乙数大30,乙数的3倍比甲数的4倍少20,求甲、乙两数,若设甲、乙两数分别为x、y,则可得方程组______.
All of us want very much to see these amusing movies,especially _____ you referred to just now.
A.any
B.it
C.the one
D.one