【简答题】若a、b和c均是int型变量,则执行表达式a=(b=4)+(c=2)后,a值为(),b值为(),c值为()。
【多选题】下列关于内含报酬率的特点的相关说法中,正确的有()。
A.
反映了投资项目可能达到的报酬率,易于被高层决策人员所理解
D.
在互斥投资方案决策时,如果各方案的原始投资额现值不相等,有时也无法做出正确的决策
E.
评价独立投资方案,可以克服净现值指标不便于对原始投资额现值不同的独立投资方案进行比较和评价的缺点
【单选题】对原始投资不等的独立方案进行决策时,可以使用的决策指标是______。
【简答题】选中需要删除的一张或多张幻灯片,在( )选项卡的( )组中单击( )按钮,可删除选中的幻灯片,还可以使用( )键和( )键。
【简答题】选中需要删除的一张或多张幻灯片,在( )选项卡的( )组中单击( )按钮,可删除选中的幻灯片,还可以使用()和()键。
【单选题】Viruses often delay revealing their presence( ) launching their attack only after they have had enough opportunity to spread.
【多选题】"An expert system is a computer program that simulates the judgment and behavior of a human or an organization that has expert knowledge and experience in a particular narrow domain of expertise. " ...
A.
An ES is a computer program.
B.
An ES is designed to simulate the judgment and behavior of a human or an organizatio
C.
An expert system seeks to capture the knowledge of a human expert whose knowledge within a highly specialized area is recognized to be superior.
D.
Expert system is widely used in many areas such as medical diagnosis, accounting, coding, games etc.
【判断题】心理健康是一个动态过程,一时的心理困惑不代表心理健康出现了问题