The picture is a expression to show that students spent their spare time every day.As we all see,it takes 93 minute for students to do their homework.On the other hand, students spend 135 minute on using computer,listening to muis

好好看孙老师写的范文，体会一下文章结构及句子的用法。最好再听一遍课上的讲解。一个悟字了得！ Chart 1 shows the daily average amount of time which the students of the school spend on different after-class activities. The students put the most time－93 minutes into their homework

, which takes up 46 minutes. It takes them about the same amount of time-- 34 minutes and 30 minutes each to listen to music and work on the computer, while 25 minutes is spent on sports and they do housework only for 12 minutes. ( only 12 minutes goes into housework.) As is shown on Chart 2, nearly 39% of the time is taken up with homework. I think that the school should encourage the students to do more exercise after class. This way, they might be healthier and would go to school , well rested and willing to work.