To attract the reader, the semantic presupposition is often used in the titles of news, which forms concernment, increases summary, relation or truth.

• 摘要为了吸引读者，提高新闻作品的传播效率，新闻标题中常常使用语义预设来创设悬念、提高概括力、增强亲和力、增加可信度，从而达到理想的传播效果。