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【简答题】
会计法律制度是调整会计工作的法律规范。( )
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举一反三
【单选题】_____ provide a description of the data characteristics and the set of relationships that link the data found within the database.
A.
Queries
B.
End-user data
C.
Metadata
D.
Schemas
【简答题】α -磷酸甘油脱氢,在有氧的条件下,脱下的氢如何氧化?P155 p156
【单选题】public class class1 { private string _Data=””; public string Data{set{_Data=value;}} } 创建该类的对象obj后,下列哪个语句是合法的( )
A.
ojb.Data=”It is funny”;
B.
Console.Write(obj.Data);
C.
Obj._Data=100;
D.
Obj.set(obj.Data);
【单选题】A data set that consists of a sample of individuals, households, firms, cities, states, countries, or a variety of other units, taken at a given point in time, is called a(n) _____.
A.
cross-sectional data set
B.
longitudinal data set
C.
time series data set
D.
experimental data set
【单选题】Assuming that the data set Company.USA has five or more observations, what is the result of submitting the following program? data work.getobs5(drop=obsnum); obsnum=5; set company.usa(keep=manager pay...
A.
an error
B.
an empty data set
C.
a continuous loop
D.
a data set that contains one observation
【简答题】Data set
【单选题】To control and manage processes, which of the following data structures should be set up?
A.
PCT
B.
PCB
C.
PCM
D.
PCL
【单选题】For data transmission to be successful，sending and receiving devices must follow a set of communication rules for the exchange of information. These rules are known as（ ）.
A.
E-mail
B.
Intemet
C.
network
D.
protocols
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