根据提示，写一篇80词左右的短文，要求条理清楚，文理通顺，意思连贯．

为加强中学生的身体素质，教育部开展全国学生"Exercise one hour a day"﹣﹣"阳光体育"的活动，学生们非常赞成这一举措，但又不少家长们对这一活动持反对意见．

请你以Should students exercise one hour a day？为话题，参照表格的信息，写一篇短文．

Parents' ideas	Your ideas
1． have less sleeping time	1…
2．have less time for study	2…
3．get hurt possibly	3…

要求：

1．所写内容必须包括表格中家长的想法和你的至少三个想法．

2．开头已给出，不计入总次数．

Now students are supposed to have sports for an hour every day． But parents have different opinions．______________________________________________．