【摘要】 输入是影响二语习得的一个重要因素。笔者首先对二语习得中有关输入的理论做了回顾,然后着重从输入的环境,输入的质和量,输入的性质类型及方式等如何对二语习得产生作用的角度列举了大量的实证, 进而对这些输入理论和实证存在特点与不足做了总结和评价,旨在切实提高输入在二语习得中的有效性。更多还原

【Abstract】 Input is a very important factor in the study of second language acquisition (SLA). In order to enhance the effect of input on SLA, this paper first reviewed input theories proposed by researchers, and focused on a lot of empirical studies explaining how environment, quality, quantity, types and forms of input influence SLA, and then commented on the features and weak points of the theories and experiments.更多还原