一堂课要有好的开头,如同一出好戏要演好序幕,一篇新闻要写好导语,一部好乐章要奏好序曲一样。开头开得好,就能先声夺人,造成学生渴望追求新知的心理状态,激起他们的学习兴趣,吸引其注意力。使学生好奇、生疑、生趣,进而对所学知识产生强烈的“问题”需要和迫切的探求心理,就能唤起学生的探索欲望,增强学生的创新意识。 A class should have a good beginning, as a good show to be a good prelude, a news should be written lead, a good music to play the same prelude. At the beginning of a well-deserved, you can make the first move, causing students to desire the pursuit of new psychological state, arouse their interest in learning to attract their attention. Students curious, suspicious, students interest, and then the knowledge produced a strong “problem ” needs and urgency to explore the mind, you can arouse the desire of students to explore and enhance students’ sense of innovation.