求翻译：导致这种情况的原因是，第一，从高中升到大学，让人们的压力一下子放松了，以为大学生活本该自由轻松，放松了对课堂知识的学习。第二大学生总是有各种各样的活动，丰富我们的生活，导致大学生把过多的经历花在这些活动上，放松了对考试前的准备。当然，有一些老师，平常对学生要求严格，在考试前就不用紧张。是什么意思？

The reason for this result, first, to rise from high school college, the pressure of people at once relaxed, the freedom that college life in this easy, relaxed classroom knowledge. The second is always a wide variety of activities students to enrich our lives, the experience of these students to sp