Abstract:Age has always been a hot issue in the study of second language acquisition. This article will compare the differences in English learning ability between learners at different ages by the empirical research and analyze the advantages and disadvantages of learners at different ages, so as to demonstrate that children have the obvious advantages in learning English.
Key words：age factor; second language acquisition; effective; advantage and disadvantage
CONTENTS
Abstract
中文摘要
1.Introduction-1
2 Literature Review-2
2.1 The Critical Period Hypothesis
2.2 Domestic Research
3. Methodology-4
3.1 Subjects and Research on the Children
3.2 Subjects and Research on the Teenagers and the Adults
4. Discussion-7
4.1 Research Results on Children
4.2 Research results on teenagers
4.3 Research Results On the Adults
5 Suggestions For English Teaching in Different Periods-9
5.1 Suggestions for the Child’s Teaching and Learning
5.2 Suggestions For The Teenagers’ Teaching and Learning
5.3 Suggestions For The Adults’ Teaching and Learning
6. Conclusion-10
Bibliography-11
Acknowledgments-12
Appendix-13
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