近来不知何故,班里男女生开始递纸条,有时上课也不能幸免,且大有越演越烈之势。物理课上,物理老师一脸严肃地站在讲台上严重声明:“匀加速这一课是个难点,大家要认真听……”我是物理课代表,对这门课情有独钟,上课总是聚精会神。老师刚一开讲:“匀加速的含义……”是什么我还未 Recently, somehow, the boys and girls in the class started handing in paper slips, and sometimes they were not spared in class, and they became increasingly fierce. In the physics class, the physics teacher stood on the podium seriously and seriously stated: “Uniform acceleration of this lesson is a difficult point, and everyone should listen carefully...” I am a representative of physics class and I have a special liking for this course. It’s time to concentrate. The teacher just said: “What does uniform acceleration mean?”