求翻译：第一保证学生按时上课，能有效提高学生的学习成绩。作为一个大学身我会以身作则不迟到，不早退，不旷课，上课认真学习老师讲的是什么意思？

First to ensure that students attend class on time, can effectively improve student achievement. As a University of the body, I will set an example not to be late, do not leave early, absenteeism, school to seriously study the teacher talks

First ensure that the students attend classes on time, be able to effectively improve the learning achievement of students. As a university, I will set an example by not later than early or not, and the truancy, and do not attend classes, and teachers to learn the

First guaranteed the student attends class on time, can enhance student's academic record effectively.I can set an example as a university body am not late, does not leave early, does not ditch school, attends class studies teacher to say earnestly

First ensure that students arrive on time, be effective in improving the academic achievement of students. As a University I would set an example not to be late, do not leave early, not absent, seriously study and teacher in class

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