作废卡的销毁必须经()批准同意后,在有会计、审计和安保部门派专人监督的情况下进行销毁。
A.单位负责人
B.主管领导
C.会计主管
D.以上都不对
参考答案:B
When ______ if he had any idea of what the novel was about, Jack just kept silent.
A.asking
B.asked
C.to ask
D.being asked
在严寒地区,对涵洞两端应检查有无()。
A、流水
B、积雪
C、冻害
D、埋压