1. 研究目的与意义（文献综述包含参考文献）

literature review

in this chapter, the literature review has three parts. the first part introduces the presupposition theory, including the general idea, different classifications and features. the second part focuses on the relevant studies both on the general and presupposition analysis on news headlines. there is also a research gap explanation in this part. the final part is the conclusion part.

2.1 presupposition theory

2. 研究的基本内容、问题解决措施及方案

methodology

in this chapter, an analysis on the misleading phenomenon in news headlines has be conducted. the research questions is discussed first. the next part is the corpus foe research and the final part is the research methods.

3.1 research questions