在我国的英语学习过程中,学习者面临的一个很大的困难是缺乏语言学习的环境,缺乏真实的语言输入和输出的机会。学习者在学习过程中,因为缺乏充足地道的语言输入,对语言输出的准确性往往难以判断。学习者判断的依据大多是字典、语法书、手头的文字资料等,但是这些资料的正确性需要判定,而且有些资料陈旧过时。语言的本质之一就是动态发展。对我国的学习者来说,依 In our country’s English learning process, one of the great difficulties that learners face is the lack of a language learning environment and the lack of real opportunities for language input and output. Learners in the learning process, because of the lack of adequate authentic language input, the accuracy of the language output is often difficult to judge. The basis for learners’ judgment is mostly dictionaries, grammar books, written materials, etc., but the correctness of these data needs to be judged, and some of the information is outdated. One of the essence of language is dynamic development. For our learners, according to