自习课上,生活委员主动请缨带领两个男生打扫阳台卫生。教室内,学生安静地写着作业。这时,阳台上一个叫张鑫伟的学生忽然喊道:“呀,钱!”咏叹调:“哎……破钱!”班内写作业的学生禁不住哄堂大笑。接着,他调皮地把一张缺失了一半多的1元纸币贴在玻璃上。没多大工夫,一张破损面积更大的5元人民币又出现在玻璃上,几个听到动静的学生抬头张望着。出于好奇,我跟他要过纸币来看个究竟。我仔细看着两张残缺的 Self-study classes, life members volunteered to lead the two boys to clean the balcony health. In the classroom, students quietly wrote homework. At this time, a student named Zhang Xinwei on the balcony suddenly shouted: “Aria, money! ” Aria: “hey ... break the money! ” Class writing students can not help but laughter. Next, he casually put a $ 1 bill missing on the glass. Not much work, a larger damaged 5 yuan appeared on the glass again, a few heard the news student looked up. Out of curiosity, I told him to have a note to see what happens. I carefully looked at two incomplete