培养学生分析问题、解决问题的能力是新课程改革的目标之一。但是,分析问题、解决问题的前提是要“有问题”。如果没有问题,就不存在分析,更谈不上解决。学生有了问题意识,会有利于调动学生学习的主动性,使他们真正成为学习的主体。同时也有利于培养学生的创新意 Training students to analyze and solve problems is one of the goals of the new curriculum reform. However, the analysis of the problem, the premise of solving the problem is to “have a problem.” If there is no problem, there is no analysis, let alone solved. Students have a sense of problem, it will help mobilize the initiative of students to learn, so that they really become the main body of learning. At the same time it is also conducive to cultivating students' innovative ideas