命题作文是按照教学要求有计划地对学生进行写作训练的重要手段,在中学作文教学中运用比较普遍。为此,怎样命题,什么样的题目对学生写作有启发作用,很值得研究。试以议论文来说,以下几种情况是很难使题目起到启发作用的。一种:命题 Propositional composition is an important method for students to write training programmatically according to teaching requirements. It is more commonly used in composition teaching in middle schools. For this reason, how propositions and what kinds of topics are instructive for student writing are worth studying. In terms of argumentation, the following situations are very difficult to make the topic play an enlightening role. One: Proposition