阅读下列文言文，完成后面问题。
人琴俱亡
王子猷、子敬俱病笃，而子敬先亡。子猷问左右：“何以都不闻消息？此已丧矣。”语时了不悲。便索舆来奔丧，都不哭。
子敬素好琴，便径入坐灵床上，取子敬琴弹。弦既不调，掷地云：“子敬，子敬，人琴俱亡。”因恸绝良久。月余亦卒。

2014年5月23日，教育部发布新规定，学生每年进行一次体质健康测试，并将结果记入档案，作为升初中以上学校的重要依据，其中1000米跑（男）、800米跑（女）、引体向上（男）、1分钟仰卧起坐（女）等是重要的测试项目．请联系有关知识回答下列问题：

    In America，primary school lasts six years. There are about twenty students in one class. They are in different groups. Different groups may have different textbooks. The whole grade graduate(毕业)at the same time，but the students learn different knowledge.

    Primary school students don't have schoolbags. Their books are in the school. The students usually study reading，arithmetic(算术)，language，science，music，art and PE. The performances(成绩)show three grades. G means good. S means satisfaction. N means you need to work hard.