美国著名的心理学家克拉申在其情感过滤假设中指出:情感因素可被看作是可调节的过滤器,它可以使语言输入自由通过或阻碍通过,而语言输入只有通过过滤器才能达到语言习得的机制并被大脑吸收。情感过滤因素越小就越有利于语言的输入,学习的情感因素会阻碍或加速第二语言的习得。从现代教育学角 The famous American psychologist Krashen pointed out in his emotional filtering hypothesis: Emotional factors can be seen as adjustable filters, which can make the language input freely pass or block through, and the language input can only reach the language through the filter. The learned mechanism is absorbed by the brain. The smaller the emotional filter factor is, the better the language input is. The emotional factors of learning will hinder or accelerate the second language acquisition. From the angle of modern education