【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】Which one of the following is NOT a correct cause-effect analysis?
A.
Too little sleep may cause us to eat more.
B.
Women giving birth at a senior age may have overweight children.
C.
The habit of smoking keeps the extra pounds for us.
D.
Age is one factor to be considered when discussing weight problem.
【简答题】寫出以下各字對應的造字法:聽 、華 、曰 、司 、即 、保 、姻 、自 。
【多选题】现已研制成功并具有作战能力的特定功能核武器主要有( )。
【单选题】下列不属于社会主义新农村建设的目标的是( )。
【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( )。
【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。