6Brown. H. D. 2001. Teaching by Principles." An Interactive Approach to Language Pedagogy [M]. Beijing: Foreign Language Teaching and Research Press.
7Cohen, A. D. 2000. Strategies in Learning and Using a Second Language [M]. Beijing: Foreign Language Teaching and Research Press.
8Merriam-Webster. 2004. The Merriam-Webster Dictionary [M]. Massachusetts: Incorporated Springfield.
9Oxford, R. 1990. Language Learning Strategies." What Every Teacher Should Know [M]. Rowley, Mass: Newbury House.
10Yang Xiaopei. 2014. A survey of the use of language learning strategies by excellent English learners- A case study in Luoyang NO. 1 Senior High School [D]. Shandong: Liaocheng University.