According to the systematic view of creativity，what factors affect creativity.（）

多项选择题Strategies can be divided into（）.

A.Forward pushing strategy
B.Algorithmic strategy
C.Heuristic strategy
D.Reverse extrapolation

多项选择题The problem solving can be divided into three states（）

A.Confused state
B.Initial state
C.Intern state
D.Target state

多项选择题What are the stages of language development in vygowski’s theory.（）

A.Social
B.Egocentric
C.Pre-operation stage
D.Inner

单项选择题The following concepts do not belong to Piaget’s Theory（）.

A.Equilibration
B.Evolution
C.Assimilation
D.Accommodation

多项选择题Language structures include（）

A.Phonology
B.Morphology
C.Semantics
D.Syntax