上课铃响,我准时站在教室门口,可教室里一改往日的宁静,同学们仍在议论纷纷。班长站起来报告说:“李倩同学在上学的路上看到一棵桃树上桃花盛开,可树上一片叶子也没有。同学们正在讨论桃树为什么先开花后长叶,桃花需要营养吗芽”根据课程计划,这节课本不是 The bell rang, I stood in front of the classroom on time, can change the past quiet classroom, the students are still talking about. The squad leader stood up and reported: “Li Qian's classmates saw a peach blossom in full bloom on the way to school, and there was not a leaf on the tree.” The students are discussing why the peach started to bloom after long leaves and peach need nutrition Bud "According to the lesson plan, this textbook is not