摘要：One of the most important and fascinating aspects of human development is language acquisition. The present review summarizes some difficulties that second language learners may face to learn English. It has tried to find out factors that play an important role in the acquisition of second language. It is a popular belief that first language has an effect on the second language acquisition, and it is claimed that L1 can interfere with the acquisition of L2. It is also believed that the role of L1 in the L2 depends on some similarities and differences between the two languages. The present review brings to the fore the similarities and differences between the first language and second language acquisition. It then concludes with some implications for teachers and researchers.
其他摘要：One of the most important and fascinating aspects of human development is language acquisition. The present review summarizes some difficulties that second language learners may face to learn English. It has tried to find out factors that play an important role in the acquisition of second language. It is a popular belief that first language has an effect on the second language acquisition, and it is claimed that L1 can interfere with the acquisition of L2. It is also believed that the role of L1 in the L2 depends on some similarities and differences between the two languages. The present review brings to the fore the similarities and differences between the first language and second language acquisition. It then concludes with some implications for teachers and researchers.
关键词：second language acquisition;interference;first language
