According to Ministry of Educationfor enriching the student's extracurricular activity, the breadth knowledge also visual field, the development intelligence, the exaltation student's thought morals character and instruction learn a study method of contro
According to Ministry of Educationfor enriching the student's extracurricular activity, the breadth knowledge also visual field, the development intelligence, the exaltation student's thought morals character and instruction learn a study method of contro
根据教育部“为了丰富学生的课外活动，阔宽知识也视野，开发智力，提高学生的思想道德素质和指导学掌握正确的学习方法，编制出了这本书。