修改病句。
①今天我吃了米饭、苹果、蔬菜、水果。
②作为我们中学生，我们要遵守课堂纪律，认真听课。
①去掉“苹果”； ②去掉“第一个”我们
Can you find the ____ (different) between this box and that box?
——Don't open the door, _______who knocks on it.——No problem, mom. You've told me many times.
100厘米 ____1米 24+38____ 62 26+15 ____36
