Traditional structured analysis techniques focus upon the flow of （1）within a
system. Object-oriented analysis emphasizes the building of real-world models. It examines
requirements from the perspective of the classes and objects found in the vocabulary of
the（2）domain.
Traditional system design method emphasizes the proper and effective structure of a
complex system. Object-oriented design method encompasses the process of object-oriented
decomposition and a （3） for depicting both logical and physical as well as static and
dynamic models of the system under design.
Object-oriented programming is a method of implementation in which programs are organized
as cooperative collections of objects, each of which represents an （4）of some class, and whose　classes are all members of a hierarchy of classes united via （5） relationships.
（1）A、control 
B、program 
C、data 
D、reference
（2）A、problem 
B、solution 
C、data 
D、program
（3）A、mark 
B、picture 
C、symbol 
D、notation
（4）A、instance 
B、example 
C、existence 
D、implementation
（5）A、control 
B、inheritance 
C、inference 
D、connection