高压灭菌后的物品一般可保留() ["4天","1周","2周","3周","1个月"]
下列各项中()属于狭义有价证券。 ["商业本票","可转换债券","运货单","借据"]
倒闸操作的技术规定有()。 ["A、送电时,先合上母线侧刀闸,再合线路侧刀闸,最后合上开关","B、母线停电操作时,电压互感器应最后停电","C、变压器停电时,先停负荷侧,再停电源侧","D、拉开刀闸时,要猛用力拉开","E、合上刀闸时应迅速果断,但不可用力过猛"]
胃大部切除病人,术后8天伤口拆线,切口红肿、硬结,但无脓液。此伤口应评价为() ["Ⅱ/丙","Ⅱ/甲","Ⅱ/乙","Ⅰ/甲","Ⅱ/甲"]
创伤后包扎的目的是() ["保护伤口","减少污染","固定敷料","帮助止血","以上全是"]
在施工中,若发现脚手架有异常情况,应怎么做?