两手红白旗平举,相对举过头顶连续挥动:表示()。 ["危险、易发生问题,立即停止工作","正常,可以继续工作","线已拉到指定位置,接头工作已结束","工作已结束,全部停止工作,收工"]
Which three Layer 2 access designs have all of their uplinks in an active state?() ["Flex Links","loop-free U","looped square","looped triangle","loop-free inverted U"]
简述普通手术术后护理伦理要求?
请参见图示。主机 A 向主机 B 发送了一个数据包。当该数据包到达主机 B 时,它的地址信息是什么() ["

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童年经验
按面值发行债券:按面值2000万元发行债券一批,期限3年、票面利率5%,到期一次还本付息(发行费用略)。发行债券款已收妥存入企业的存款账户。写会计分录。