教学中一个个成功巧妙的问题情境的引入,往往能在学生中激起感情的涟漪或思考的兴趣。恰当地提出问题是把学生引导到互动探究过程中的第一步。培养学生乐于探究、勤于动手和解决问题的能力。 The introduction of scenarios of successful and ingenious problems in teaching often arouses feelings of rippling or thinking interest among students. Properly asking questions is the first step in guiding students into the interactive exploration process. Develop students’ ability to explore, diligently and problem-solving.