近年来,随着新课程改革的不断深化,使问题走进课堂已受到教育者的重视。亚里士多德说过:“思维是从疑问和惊奇开始的。”学生头脑中只有存在问题,才会产生求知欲而主动地去学习知识,促使学生不断质疑、解惑,从而激发学生学习的兴趣。问题意识对学生掌握知识,思维能力培养等有重大的意义。因此, In recent years, with the continuous deepening of the new curriculum reform, it has received the attention of educators to put the issue into the classroom. Aristotle said: “Thinking begins with questions and surprises.” "There is only a problem in the mind of a student, which leads to curiosity and initiative in learning the knowledge and instigating students to constantly question and dispel their emotions Students are interested in learning. Problem awareness has great significance for students to master knowledge and train their thinking ability. therefore,