【单选题】A disadvantage of the high-low method of cost analysis is that
A.
it cannot be used when there are a very large number of observations
B.
it is too time consuming to apply
C.
it uses two extreme data points, which may not be representative of normal conditions
D.
it relies totally on the judgment of the person performing the cost analysis
【单选题】有关放置宫内节育器的适应证,下列选项错误的是()
A.
孕60天人工流产,子宫腔9.5cm,不可放置IUD
B.
正常分娩后42天,恶露已净,会阴伤口愈合可放置
C.
宫内节育器可在阴道正常分娩胎盘娩出后即时放置
E.
如果术前两次相隔4小时体温均高于37.5℃,不能放置
【单选题】当用鼠标使组合框的内容发生变化时,将首先触发________事件。
【单选题】男性40岁,不规则发热,半年余,反复抗菌无效,明显消瘦,侨居国外多年,临床考虑是否同艾滋病有关,下列哪检查更有价值
【单选题】男性,40岁,不规则发热半年余,反复抗菌无效,明显消瘦,侨居国外多年,临床考虑是否同艾滋病有关,下列检查中更有价值的是
【单选题】当用鼠标使组合框的内容发生变化时,将首先触发的事件是( )。
【判断题】企业文化建设与职业道德培育相辅相成。()