应用语言学论文 第二语言习得对英语教学的影响

应用语言学论文 第二语言习得对英语教学的影响

应用语言学论文 第二语言习得对英语教学的影响

The Enlightenment of SLA Theory to Language Teaching

1. The Enlightenment of SLA Theory to Language Teaching

As early as in the 1970 s many linguists and applied linguists had conducted extensive studies of second language acquisition (SLA). These linguists called the acquisition of the mother tongue first language acquisition and the acquisition of other languages beyond the mother tongue second language acquisition. The early SLA research was done for the purpose of improving language teaching, so people often classify these researches as the orientations of applied linguistics and foreign language teaching research. The researchers have been studying the cerebral surface features and the language acquisition mechanism of the second language since the 1980 s; therefore, SLA has grown rapidly as an independent subject. In the SLA field the researchers have offered various theoretic models to explain the process of second language acquisition. The most influential theory, also the best explained one, is the Monitor Model put forth by American linguist S.D. Krashen, who built this model on his five famous hypotheses, namely, input hypothesis, acquisition and learning hypothesis, monitor hypothesis, natural order hypothesis and affective filter hypothesis. These five hypotheses make

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