在教学《长方体的体积》时,我让学生报出自己在家里找到的香皂品牌以及测得的香皂盒长、宽、高。我一边听学生汇报一边把相关内容写在黑板上。“吕圣兰同学,请你告诉大家你找的是什么牌香皂?香皂盒的长、宽、高是多少?”吕圣兰站起来开始如实汇报。突然,同学们不约而同地大笑起 When teaching “cuboid volume”, I asked students to quote the soap brand I found at home and the length, width and height of the soap box I measured. As I listened to the students, I wrote the relevant content on the blackboard. “Lv Shenglan students, please tell us what you are looking for brand soap? Soap box length, width, height is how much?” Lv Shenglan stood up and began to truthfully report. Suddenly, students spontaneously laughed