毋庸置疑,教材是进行教学的第一手资料,是实现课程目标的重要载体,但并非唯一的资源,因为更多的教学资源是在课堂教学过程中生发的。学生在学习、思考过程中产生的错误,是我们教师不可忽视的珍贵的教学资源。错误的产生是必然的。这既有学生认知的局限性的因素,亦有种种学习习惯、学习品质等主客观原因。作为教师, Undoubtedly, the teaching materials are the first-hand materials for teaching and are the important carriers to realize the curriculum objectives, but they are not the only resources because more teaching resources are generated during the classroom teaching. Students in learning, thinking process mistakes, our teachers can not be ignored precious teaching resources. The error is inevitable. This has both the limitations of cognitive factors students, but also a variety of learning habits, quality of learning subjective and objective reasons. As a teacher,