abstract：发发发发发发付付付付付付付付付付等等顶顶顶顶多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多嘎嘎嘎嘎嘎过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过
发发发发发发付付付付付付付付付付等等顶顶顶顶多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多多嘎嘎嘎嘎嘎过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过过
Correcting teacher：天蓬老师Correction time：2019-04-04 10:52:41
Teacher's summary：你的作业, 已经给挂了几天了, 算是一次小的惩罚, 下次一定要认真写
