【考点扫描】半命题作文介于话题作文与全命题作文之间,其结构形式主要有下面几种:一是命首尾空中间式,如“一份的答卷”;二是命中间空首尾式,如“真”;三是命前空后式,如“别开生面的”;四 [Test Site Scanning] The semi-propositional composition is between the topical composition and the full proposition composition. The structure of the composition is mainly the following: First, the beginning and the end of the empty intermediate type, such as “a copy of the answer;” , such as “true”; the third is the pre-empty style of life, such as “unique”;