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长春市英语学习者英语元音产出的声学研究

论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2017-08-19编辑:lgg点击率:524

论文字数:38946论文编号:org201708151854192553语种:英语论文 English地区:中国价格:$ 66

关键词:英语毕业论文长春市英语学习者英语元音声学研究

摘要:本文是英语毕业论文,本研究的结果对英语二语语音教学具有积极意义。英语教师和英语学习者应该重视汉语和英语这两种语音系统的不同之处,以避免母语语音对英语发音的影响。

Chapter One Introduction

Vowels play an important role in almost every sound system in the world.Vowel acquisition is important for second language learners, which influences theirspeech performance to a big degree. Studies on vowel acquisition have beenconducted for a long time from different aspects. This thesis attempts to research theduration(时长), the first formant(F1, 第一共振峰) and the second formant (F2, 第二共振峰) of English vowels produced by Changchun English Learners. And theresults will be compared with those of native speakers so as to find out thesimilarities and differences between these two groups in vowel production. Thischapter will introduce the research background, the purpose and significance of thisresearch, and the structure of the thesis.

1.1 Research Background
The three elements of language include speech sounds, vocabulary, andgrammar, among which speech sounds are the foundation. “Language is animportant tool for human communication. Speech sounds are the material basis oflanguage, so if there were no speech sounds, language would lose the objectiveentity it depends on” (Lin Tao, Wang Lijia, 2013: 1). Therefore, pronunciationacquisition plays an important role in language acquisition. English sound systemmainly consists of vowels and consonants. And vowel exists in all English words, sovowel acquisition directly affects the accuracy of learners’ pronunciation andlanguage communication. Accurate pronunciation is one of the key tasks in secondlanguage (L2) teaching and learning.However, because each language and dialect has its unique speech soundsystem and pronunciation rules, L2 learners’ first language (L1) and their localdialects will interfere with their acquisition of English speech sounds. So learnerswill meet difficulties when they learn an L2. Take Chinese EFL learners for example,as China has a vast territory and a large number of dialects, Chinese EFL learnersfrom different dialectal areas may meet different pronunciation problems in theiracquisition of English pronunciation. Among the problems they might meet, themost common one is that Chinese EFL learners often transfer the Chinesepronunciation habits into English pronunciation, which leads to mistakes in theirEnglish pronunciation.Some studies have proved that transfer really exist in second languageacquisition. Second language learners tend to be affected by their first language,either negatively or positively. And a number of studies have found that the more thelearners expose themselves to the target language, the fewer negative transfers theywould meet.
...........

1.2 Purpose and Significance of the Research
As has been mentioned above, there are a lot of studies on Chinese EFLlearners’ pronunciation, but there are still some problems. For example, some studiesignore the fact that learners from different dialectal areas may be influenced by theirdialects when they learn a new language, especially in pronunciation. Anotherproblem is that the empirical data are not enough in the study of the phonologicalfeatures of EFL Learners in China. Considering these two deficiencies, this thesisattempts to conduct an acoustic study on the English vowel acquisition ofChangchun English Learners. One aim of this study is to compare the similaritiesand differences between Cc ELs (Changchun English Learners) and ANSs (AmericanNative Speakers) when they produce English vowels. And the other aim is to fi论文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。

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