在汇总记账凭证账务处理程序下,登记总分类账的依据是()。
A.汇总原始凭证
B.汇总记账凭证
C.记账凭证
D.原始凭证
参考答案:B
I was doing my homework ______ someone knocked at the door. [ ]
A. as
B. at
C. when
电气设备绝缘的测量,主要是对地绝缘,而不是相间绝缘。()