Abstract-Starting from analyzing the current condition of college English writing teaching and the problems, this paper analyzes the non-language factor errors of the students in writing process, and proposes the suggestions for improving college English writing teaching using genre-based teaching approaches on the basis of the aforementioned, and summaries its advantages.

Abstract-Variation in interlanguage (IL) phonology is an important field for researching SLA. Generally speaking, the factors constraining the Chinese learners' pronunciation include "L1 transfer, markedness, margin length, sonority and linguistic environment. This paper will focus on the influence of L1 transfer on the English sounds produced by a Chinese speaker. Certainly, there are wide variations of pronunciation spoken by different people from different regions because China is a huge country and there exist many dialects throughout the whole country. Because the participant is a Mandarin Chinese speaker the research will mainly involves the effect of Mandarin Chinese on English sounds. The paper aims at providing a detailed analysis and trying to give a reference on the feature changes of English fricatives produced by Chinese English learners.