1ContentsChinese Abstract.......................................................................................2English Abstract.......................................................................................31. Introduction..........................................................................................41.1 Research Background...............................................................................................41.2 Research Significance..............................................................................................41.3 The Definition of Constructivism Theory................................................................51.4 The Definition of Scaffolding..................................................................................51.5 The Definition of Scaffolding Instruction................................................................62. The Features of Scaffolding in Vocabulary Pedagogy Based on Scaffolding Instruction.............................................................................72.1 The Feature of Clarity..............................................................................................72.2 The Feature of Encouragement................................................................................72.3 The Feature of Fading-out........................................................................................82.4 The Feature of Dynamics.........................................................................................93. Application of Scaffolding Instruction in Middle Vocabulary Pedagogy..................................................................................................103.1 Setting up Scaffolding............................................................................................103.2 Entering the Situation............................................................................................
