文件面签时,难以做到与承担担保责任的合作企业或机构相关人员当面签署的,应采用()方式保证合同签字的真实性。
A.电话核实
B.核对签章和预留印鉴
C.邮件
D.拍照
参考答案:B
The main feature of (72) is that they follow a first-come/first-served rule. For instance, the line of (73) waiting to be run on a computer system.
A. looplinksB. queues C. stacks D. trees
我国最早的军事院校是在哪个朝代?