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【单选题】
机会成本是()原则的应用。A.
双方交易原则
B.
信号传递原则
C.
自利行为原则
D.
引导原则
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【简答题】● Information systems design is defined as those tasks that focus on the specification of a detailed computer-based solution. Typically, there are four systems design tasks for in-house development. 1...
【单选题】Which is typically the most expensive step of marketing research process?
A.
Problem definition.
B.
Developing the research plan.
C.
Information collection.
D.
Information analysis.
E.
Questionnaire design.
【单选题】Which step is typically the most prone to error in the marketing research process?
A.
Problem definition.
B.
Developing the research plan.
C.
Information collection.
D.
Information analysis.
E.
Questionnaire design.
【多选题】有关补间和补间形状的说法错误的有
A.
能用补间实现的动画一定不能用补间形状来实现
B.
补间和补间形状可以嵌套使用
C.
补间和补间形状都可以通过缓动让动画效果更真实自然
D.
创建补间的对象为形状，创建补间形状的对象为元件
【单选题】vsftpd的主配置文件是（）
A.
/etc/vsftpd.conf
B.
/var/vsftpd.conf
C.
/etc/vsftpd/vsftpd.conf
D.
/var/vsftpd/vsftpd.conf
【单选题】Which of the following statements is correct?
A.
Integrated circuit is a single component including a large number of active devices and their interconnections to realize complex functions.
B.
Circuit designers typically use languages called C++ to design their enormous digital circuits.
C.
Integrated circuit is a single component including a large number of active and passive devices and their interconnections to realize complex functions.
D.
Our life can be separated from the integrated circuit.
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