【单选题】用四舍五入法按要求对 846.31 分别取近似值,下列四个结果中,错误的是( )
【多选题】Which of the following can a basic feature of a research?
A.
It has predictable results.
B.
It takes a lot of time and energy.
C.
It needs critical and creative thinking.
D.
It provides answers to our questions.
【单选题】Which of the following is a feature of a unit of work?()
A.
It applies to a single data server.
B.
It is a recoverable sequence of operations.
C.
Its value can be queried from the system catalog tables.
D.
It begins when the application connects to the data server.
【单选题】Which of the following is a feature of a competence framework?
A.
Detailed learning outcomes setting out minimum occupational standards
B.
The required level of academic achievement
C.
Anticipated medium to long-term career milestones
D.
Personal qualities and attributes of the individual