论文部分内容阅读
在课前集合时,经常会有部分学生听到哨音后,要么不紧不慢地走在路上,要么在球场上专心地打球,也会有部分学生看到集合地点没有多少学生后就继续接着打球。笔者
When we gather before class, some students often hear the whistle and walk either leisurely or on the court attentively. Some students may continue to see the students who have not gathered in the gathering place Then play. author