案例:这学期开学不久,我班男生中玩卡片的现象较为普遍。一下课,教室里、活动区、操场上到处可见小小卡片在学生们的手里拍来拍去。一天,上课铃响后,我走进教室上语文课。教室里乱哄哄的,其中几位男生还在为下课玩卡片的事争得面红耳赤。我咳嗽一声,教室里立刻安静下来,我心想着等下课再处理他们。可没想到的是,正当学生们津津有味地听我讲课时,一位男生放在抽屉里的许多卡片掉在了地上,周围的同学笑眯眯地看 Case: Shortly after the start of the semester, the phenomenon of playing cards among boys in my class was more common. After class, in the classroom, in the activity area, little cards were seen everywhere in the students’ hands. One day, after the bell rang, I went to the language lesson in the classroom. Chaos in the classroom, several of which boys are still playing cards for get out of class to fight again. I coughed and the classroom was quiet at once. I was thinking of waiting for the next get out of class to deal with them. I did not expect that, just as students relish listening to me lectures, a boy put a lot of cards in the drawer fell to the ground, the students around the smiling look