一、儿童期母语习得与成人期的英语习得存在环境差异1.自身的心理条件。儿童习得母语与自身生理心理的发展成熟交互进行。有关“狼孩”错过言语习得关键期的极端例子,说明个体语言学习的关键期的重要作用。2.外界环境。天然的母语环境,有学习和使用语言的需要。即使没有刻意地指导,儿童也能习得母语。二、儿童时期母语习得与成人期的英语习得有着本质 First, childhood mother tongue acquisition and adult learning in English there are environmental differences 1. Their psychological conditions. Child learning mother tongue and their own physical and mental development of mature interaction. An extreme example of the critical period in which “wolves” miss the verbal acquisitions illustrates the important role of the critical period in individual language learning. 2. The external environment. Natural mother tongue environment, there is a need to learn and use the language. Children can acquire their mother tongue even without instruction. Second, the acquisition of mother tongue in childhood and adult English acquisition has the essence