一、描述有一次上课,我布置完课堂任务,学生开始上机做练习。忽然我发现有好多学生的表情不对,想笑又不敢出声。我询问:“发生了什么事情?有什么高兴的事情也让老师知道一下?”大家笑而不谈。我只好从教师机的屏幕监控里寻找原因,从学生黄涛的屏幕上发现了原因,原来他利用“聊 First, the description of a class, I arranged the classroom task, the students began to do exercises on the machine. Suddenly I found a lot of students look wrong, want to laugh and can not speak out. I asked: ”What happened? What happy thing let the teacher know?“ ”We laughed and talked about. I had to look for reasons from the teacher machine's screen monitor, from the student Huang Tao's screen found the reason that he used "chat