商品编码时,没有考虑到商品大类后的细分类,以至无法编码,这种编码法违反了()的编码原则。
A.简单性
B.完整性
C.分类延展性
D.伸缩性
参考答案:C
Excuse me, Mary, a reporter from Vanity Fair _______ all day. Could you speak to her now?.
A.has been phoning
B.phones
C.has phoned
D.phoned
单位客户在申领金穗准贷记卡时最多可申领()张。
A.0
B.3
C.6
D.多