《普通高中化学课程标准》对化学学习提出了新的要求,强调培养学生的学习品质和积极主动的学习态度,关注学生的学习兴趣和经验,倡导学生主动参与、乐于探究、勤于动手。离子反应贯穿于高中教材的始终,并且又是历年高考考查的内容。因此,在化学教学中必须注重培养学生自主学习的品质;以人为本,树立正 The “General High School Chemistry Curriculum Standards” put forward new requirements for chemistry study, emphasizing students ’learning qualities and proactive learning attitude, paying attention to students’ learning interest and experience, advocating students to take the initiative to participate, being willing to explore, and working diligently. Ion reaction throughout the textbooks in high school has always been, and is the content of college entrance examination examination over the years. Therefore, in chemistry teaching, we must pay attention to cultivating the quality of students’ independent study. People-oriented, establish positive