蜡纸上的温度

Core Viewpoint - The article reflects on the nostalgia and significance of traditional oil-printed exam materials used in high school education over 30 years ago, highlighting the dedication of teachers in preparing students for exams through manual methods [1][2][3]. Group 1: Historical Context - The scarcity and high cost of officially published study materials made oil-printed resources a popular choice among teachers during the high school exam preparation period [1]. - The author recalls the experience of using oil-printed materials, which were created through a labor-intensive process involving steel plates and wax paper, emphasizing the tactile and sensory aspects of this method [2]. Group 2: Teacher's Influence - A specific teacher, Li Youquan, is remembered for his engaging teaching style and the quality of the oil-printed materials he provided, which included key exam topics that later appeared in actual tests [2]. - The dedication and effort put into creating these materials are seen as a reflection of the teachers' commitment to their students' success, contrasting with the ease of modern digital printing [3]. Group 3: Transition to Modern Methods - The introduction of printers in schools led to the decline of oil-printed materials, marking a shift in educational practices and the loss of the personal touch associated with manual preparation [3]. - Despite the convenience of modern technology, there is a sentiment that the handmade nature of oil-printed materials carries a deeper value, representing the teachers' dedication and care for their students [3].