20世纪70年代以来,Flavell对元认知知识进行了诸多研究。他认为,元认知知识是个体已获得的世界知识的一部分,元认知知识对外语阅读教学的重要作用在于:有利于发展学习者的自主性、有利于提高学习者的动机、有利于增强学习者的责任感、有利于发挥元认知策略的有效性、有利于鉴别学习者的阅读品质。 Since the 1970s, Flavell has done a lot of research on metacognitive knowledge. He believes that metacognitive knowledge is part of the world knowledge acquired by the individual. The important role of metacognitive knowledge in foreign language reading teaching is that it helps to develop the learner’s autonomy, enhances the learner’s motivation, and enhances Learners ’sense of responsibility helps to exert the effectiveness of metacognitive strategies and helps identify the learners’ reading quality.