Students need enough sports and activities to do physical exercises and relax, but in some schools they are not given enough time to do outside activities. It's harmful for students' growth. Teachers ask students to spend most of their time on studies. But when they feel tired and bored, students can't concentrate on studies. They are in bad health. It's necessary to give students enough time to do outside activities. After good relaxation and rest, studens will work harder. Pay attention to students' health and growth. 学生们需要足够的运动和活动来锻炼和放松，但是一些学校没有给予学生足够的时间从事课外活动，这对学生成长是有害的。老师为了让学生得高分，要求他们把大部分的时间放在功课上。但是当学生疲惫厌烦时，就不能集中精力学习。他们的身体也不好。 给予学生足够的时间从事课外活动是很必要的。休息好和放松后，学生会更加努力学习。 请关注学生的健康和成长。 Students need enough sports and activities to do physical exercises and relax. But in some schools they are not given enough time to do outside activities. It is harmful for students' growth. In fact, teachers should know how to attract the students' attention. It is necessary to do outside activities. When students feel tired and bored, they can't concentrate on studies. Some students are unhealthy because of little activities. Please pay attention to the healthy growth of the younger generation. 学生们需要足够的运动来锻炼和放松。但在一些学校学生没有足够的时间从事课外活动，这对学生的成长是有害的。事实上老师应该知道怎样使学生专心上课。从事课外活动是很有必要的。当学生们累了，烦了，他们就不能集中精力学习。一些学生的身体不好，是因为锻炼少。 请关心年轻一代的健康成长。