——The little girl often has nothing for breakfast, ________she?——_______. Because she often gets up late and is afraid of being late for school.
A：has; Yes
B：doesn't; No
C：does; No
D：hasn't; Yes
以下是我们生活中可见到的几种现象：①用力揉面团，面团形状发生变化；②篮球撞在篮球板上被弹回；③用力握小皮球，球变瘪；④一阵风把地面上的灰尘吹得漫天飞舞．在这些现象中，物体因为受力而改变运动状态的是 ( )
6＋8=____
