Abstract
It was in 1970s that American linguist S.D. Krashen created the theory of “language acquisition”. And the theories on second language acquisition were proposed based on the study on the second language acquisition process and its rules. Here, the second language acquisition process refers to the process in which a learner with the mastery of his mother language learns another language without its social environment. Due to the close relationship between second language acquisition research and language teaching, the relevant acquisition theories are of great importance for college English teaching, during which teachers are expected to base their teaching on second language acquisition theories to study the rules of college English teaching, to reform the current teaching patterns and methods and to improve teaching quality. This is a significant project to study carefully for college English teachers as well as second language acquisition researchers.
Highlights
Input means the language information learners receive from the language environment
According to the second language acquisition theory proposed by Krashen, understandable language input is the key to language acquisition
Acquisition is of greater importance than learning, emphasizing the significance of putting students into a language learning environment with feedback system to guarantee their contact with a large amount of understandable language input during our college English teaching
Summary
Input means the language information learners receive from the language environment. According to the second language acquisition theory proposed by Krashen, understandable language input is the key to language acquisition. This theory was expressed by Krashen as “i+1”, that is, a language learner won’t achieve the “i+1” level until he realizes the language input process beginning from this existing language knowledge i. According to this theory, learners mainly learn one language in two channels: one is acquisition and the other is learning. Acquisition is of greater importance than learning, emphasizing the significance of putting students into a language learning environment with feedback system to guarantee their contact with a large amount of understandable language input during our college English teaching
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