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Input and output are the two important concepts in foreign language teaching and learning process.This paper first reviews Krashen’s Input Hypothesis and Swain’s Output Hypothesis,then focuses on their enlightenments to foreign language teaching.
Input and output are the two important concepts in foreign language teaching and learning process. This paper first reviews Krashen’s Input Hypothesis and Swain’s Output Hypothesis, then focuses on their enlightenments to foreign language teaching.