简述使用前对流量计检查的内容。

第六部分：书面表达(满分20分)
假如下图是你对本班“上周中午休息时间学生活动”的调查结果。请根据此图表，用英语进行描述，再谈谈你对这个结果的看法。要求150词（首句已给出，不计入总词数）。

	Eat snacks			5%					Do their homework 55%

 
Last week, I had a survey about the activities the students of our class did at noon at school. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________