建构主义学习理论认为,知识不是由学习者被动获得,而应由学习者主动建构。慕课课程设计过程中光、影、声等多模态因素的使用,极大地提升了学生英语学习的积极性。但是慕课作为一种依托于计算机网络技术的新兴事物,以及职业英语教学的特殊性,也为广大英语教师带来了挑战。在慕课模式下,职业英语教师通过自身的专业发展而提升学生的英语自主学习能力,可谓是任重而道远。 Constructivism theory of learning that knowledge is not passively acquired by learners, but by the learners to construct. The use of many modal factors, such as light, shadow, sound and so on, in the course design of MOU greatly enhances the enthusiasm of students in English learning. However, as a kind of rejuvenation based on computer network technology and the particularity of vocational English teaching, it also poses challenges for the majority of English teachers. Under the MOOC mode, it is a long way to go to improve English self-learning ability of professional English teachers through their own professional development.