A:did he rush
B:rushed he
C:he rushed
D:he did rush
His mother is ill at home, so he has to take care of her today.
求下列各数的倒数。
58 7 59 0.3 156
《诗经》曰:“周虽旧邦,其命维新。”关于周人的“维新”,以下说法正确的有①建立了完备的宗法制 ②实行了等级森严的分封制 ③确立了尊卑分明的礼制 ④创立了王位世袭制