对有疑问、有差错的往账或来账必须于次日通过本系统发出查询。
参考答案：错
Though _____ money, his parents managed to send him to university.
A．lacking
B．lack
C．lacked in
D．lacking of
软件调试的目的是______。
A．发现错误
B．改正错误
C．改善软件的性能
D．挖掘软件的潜能
