摘要
Input and output are two major terminal actions in second language acquisition.For these two actions scholars have carried out a great number of researches.Among them the most famous are Krashen’s Input Hypothesis and Output Hypothesis.
Input and output are two major terminal actions in second language acquisition. For these two actions scholars have carried out a great number of researches. Among them the most famous are Krashen＇s Input Hypothesis and Output Hypothesis.
