引起商户调账的原因一般有（）。
A、持卡人投诉
B、商户在对账过程中发现账务不平
C、银联发现账务不平时
D、银行发现账务不平时
参考答案：A, B
He has ______ rules in his house. [ ]
A. too much
B. too many
C. much
D. a little
“0114销户”交易销户时的（）必须为零。
A.账户余额
B.账户余额和积数
C.账户积数
D.零星账页
