This book addresses the construction of context-adaptive evaluation framework with China college English evaluation as an example. Based on the discussion of the nature of language,language learning, and evaluation and assessment,this book proposes realistic evaluation and has contructed a context-adaptive evaluation framework. With reference to CEF, ILR,ALTE,BULAT,CLB, BETS and so on, a four-level five-skill standards scale was created with IRT. Based on the investigation of social requirements for English, the society-adaptive standards scales were constructed with social requirements...