first of all, i’d like to express my sincere gratitude to my academic supervisor,　professor rao zhenhui, for his valuable advice, guidance and constructive comments　throughout the development of this thesis and for making available to me the relevant　books and materials. his religious devotion to study and research has greatly　impressed me and will definitely have a permanent effect on my future life and study。

　　 　　i would like to take this opportunity to express heartfelt gratitude to all the　teachers who have taught me and helped me during the years of my study in jiangxi　normal university. they are prof. li yongzhong, prof. mu shixiong, prof. yu fubing,　prof. lin yuewu, prof. liu chunyan, prof. xiao huafeng, prof. hu zhuqing, prof.　dai haiqi, prof. he qizong, etc. for their inspiring lectures during my stay in foreign　　languages college, jiangxi normal university. it was their great lectures that gave　me enlightenment and provided me with a new perspective from which i could do this　research.

　　 　　i’m very grateful to miss fu xiaofang, who contributed a lot to the data　collection. sincere thanks should also be extended to all those efl instructors and　students in nanchang no. 1 high school, who participated in the research and offered　me their kind cooperation in my investigation.

　　 　　thanks also go to miss huang yan for her assistance with statistical analysis of　the data, and for her excellent and knowledgeable work in the cooperation of the　research project "a study report of vocabulary learning strategies in a vocational　　college".

　　 　　thanks are also given to all my classmates who helped me with the preparations　of my thesis in one way and another.　special thanks should be extended to my wife and my daughter, whose　continuous encouragement and support made it possible for me to complete this thesis.　i’m also grateful to them for their care and attendance for my daily life.

　　 　　finally, i’d like to express my sincere thanks in advance to all the professors and　experts of the oral defense committee, whose enlightening questions will definitely be　of great help for me to go on with further studies on language leaning strategies used　in schools.
　　  
　　 thank you again.