求翻译：学生的主要任务是学习，在校期间必须要按时参加教学计划规定和学校统一安排组织的一切教学活动。注意课堂礼仪，遵守课堂纪律，认真听课，不迟到、不早退、不旷课；尊敬师长，勤奋学习，认真参加每一项活动。是什么意思？

Student's main task is to learn, in school time to participate in teaching programs must be provided and arranged the organization of all school teaching activities. Note classroom etiquette, to comply with classroom discipline, serious lectures, do not be late, do not leave early, not absenteeism;

The main task is to learn, students in the school curricula that must be on time and participate in school uniform arrangements of all teaching activities. Note classroom etiquette, classroom discipline, and compliance with, and no later than the 174,315 seriously, do not leave early, no truancy; di

Student's primary mission is the study, in school period must have to participate in the plan of instruction stipulation and the school unified agreement organization's all teaching activity on time.The attention classroom etiquette, observes the classroom discipline, attends a lecture earnestly, is

Main tasks of the students are learning, while at school have to participate in teaching plan on time and schools arrange all teaching activities of the organization. Note that classroom etiquette, observe classroom discipline, seriously listen to, without being late, Evey does not truancy; respect

Student's main task is to learn, in school time to participate in teaching programs must be provided and arranged the organization of all school teaching activities. Note classroom etiquette, to comply with classroom discipline, serious lectures, do not be late, do not leave early, not absenteeism;