订本账适用于()登记。
A.原材料明细账
B.生产成本明细账
C.银行存款日记账
D.应交增值税明细账
参考答案:C
With a lot of difficult problems _______, the manager felt worried all the time.
A.settled
B.to be settled
C.settling
D.to settle
在关系数据模型中,二维表的列称为属性,二维表的行称为 【6】 。