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Selinker,an American linguist,put forward the phenomenon of fossilization in1972.Selinker believed that“fossilizable linguistic phenomena are linguistic items,rules and subsystems which speakers of a particular native language will tend to keepin their interlanguage relative to a particular target Language,no matter what the ageof the learner or amount of explanation and instruction he receives in the TL.He alsobelieved that 95%of the second Language Learner experiences fossilization and failsto reach the level of the TL,and the interlanguage fossilization is a commonphenomenon in the process of second language acquisition,which occurs in variousaspects such as pronunciation,vocabulary and grammar(Selinker,1972:215).In thenearly 50 years,since the concept of interlanguage was put forward,many foreignscholars studying the theory of interlanguage have discussed this definitions offossilization and conducted a large number of empirical studies on fossilization fromvarious perspectives.However,domestic research on fossilization started late,andsolely introduced,evaluated and validated existing fossilization theories of the foreignscholars,and did now not explore it further.It was not until in the 1990s thatempirical research on fossilization began.However,they have not yet constructedtheir own independent,complete and influential theories,so as to help Chinese SLL toconstruct a theoretical system to avoid the occurrence of interlanguage fossilization.

1.2 Research Purposes

In this study,an action research approach is conducted to teach Englishvocabulary under conceptual metaphor theory and develop students’metaphoricalcompetence,aiming to eliminate the lexical fossilization in their English writing,andthus improve their lexical and writing abilities.First of all,under the influence oftraditional English teaching methods,writing is simply memorizing model text andlearning grammatical sentence structures,which leads to some problems in writing.Among them,lexical errors are particularly evident.Once the English vocabulary instudents’writing is fossilized,it is difficult to make breakthrough progress in Englishwriting.Secondly,writing occupies an important proportion in the senior high schoolentrance examination.The lexical fossilization in writing will affect the improvementof the overall English performance of junior high school students.Therefore,it isnecessary to pay attention to the lexical fossilization in students’English learning,andadopt effective teaching methods to eliminate it.Last but not the least,considering therepeated lexical errors in English writing,and there is few research on the lexicaldefossilization.This research applies the conceptual metaphor theory in cognitivelinguistics to English vocabulary teaching,which is based on the hypothesis thatmetaphorical vocabulary teaching develop their metaphorical competence,and theimprovement of metaphorical competence contributes to lexical defossilization.

Chapter Two Literature Review

2.1 Lexical Fossilization

Since the proposal of the term“fossilization”by Selinker in 1972,fossilizationhas become a hot issue in the field of SLA,attrac本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。