1. 毕业设计（论文）主要内容：

This paper aims to analyze the usage characteristics and differences of adversative words by English majors in China and native speakers from 50 argumentative writings with the method of quantitative analysis and qualitative analysis, and with the analysis of their location and frequency. Meanwhile，the author will shed light on the causes of misuse and abuse by English learners.

2. 毕业设计（论文）主要任务及要求

1. search various resources to identify the topic for the paper.

2. collect data and materials for the paper and write the paper on schedule.

3. 3. the paper should give an elaborate and exhaustive research on the given topic with independent work.

3. 毕业设计（论文）完成任务的计划与安排

before 1st january : settlement of the title

before 1st march: submission of the outline

before 15th april : submission of the first draft

4. 主要参考文献

[1] yen-chutseng, hsien-chinliou. the effects of online conjunction materials on college efl students’ writing[j].system，2006，34：270-283

[2] yang ziqiang. a cognitive analysis of chinese efl learners’use of contrastive connectives based on corpora[d]. southwest university.2013

[3] susana olmos, aoife ahern. contrast and propositional attitude: a relevance theoretic analysis of contrast connectives in spanish and english[j].lingua, 2009, 119:51-66