Notice of RetractionOn the model of autonomous english learning based on Blackboard Academic Suite

Autonomous learning has been widely applied nearly in all courses due to the great contribution of constructivist learning. Blackboard Academic Suite (Bb) is under use in many universities nowadays throughout the world, due to its marvelous functions as to provide rich recourses for study, to create context, to establish collaboration between students, and that between students and teachers etc., which lead to meaning construction finally. The great functions of Bb set good foundation for autonomous learning. This paper puts forward a model of autonomous English learning model based on Bb.