在总账系统中,每张凭证的借贷方数据的平衡关系是由()校对的。
A.手工
B.机器自动
C.录入员
D、审核员
参考答案:B
.
Britain’s press is unusual in____it is divided into two very different types of newspaper : the equality press and the popular press.
A.how
B.what
C.which
D.that
电弧切割时的安全操作规程是什么?