【多选题】若某消费者消费了两单位某物品之后,其边际效用为零,下面不正确的是 ( )
【简答题】A.A change in the status of educated people. B.A change in the nature of reading. C.An increase in the number of books. D.An increase in the average age of readers.
【单选题】数控机床是由数控机床主要由数控装置、机床本体、伺服驱动装置和( )等部分组成。
【单选题】The function of genetic testing is to ______.
A.
enable people to change genes
B.
help people to create good genes
C.
predict diseases people may have
D.
detect what diseases people have accurately
【简答题】A.Enhance the contests of force. B.Change people's old mental habits. C.Change people's ideologies. D.Persuade mankind to live with war.
【单选题】数控机床是由数控机床主要由数控装置、机床本体、伺服驱动装置和( )等部分组成
【简答题】A.Enhance the contests of force. B.Change people's old mental habits. C.Change people's ideologies. D.Persuade mankind to live with war.
【单选题】在执行审计业务时,注册会计师应当确定合理的重要性水平。下列关于重要性概念的理解错误的是______。
A.
注册会计师应当在了解被审计单位及其环境的基础上,确定一个可接受的重要性水平
B.
为了发现在金额上重大的错报,应为财务报表层次确定重要性水平
C.
注册会计师应当评估各类交易、账户余额和披露认定层次的重要性,以便确定进一步审计程序的性质、时间安排和范围,将审计风险降至可接受的低水平
D.
判断一项错报对财务报表是否重大,应当考虑对个别特定财务报表使用者产生的影响