把重6N,边长为0.1m的正方体物块投入足够多的水中,当物块静止时,下列说法正确的是(g取10N/kg)( )
A:物体在水中处于悬浮状态
B:物体所受浮力为10N
C:物块下表面所受水的压强为1000Pa
D:物体在水中处于漂浮状态,物块的密度为0.6×103kg/m3
What will the girl do this afternoon?
He made a mistake, but then he took action to change the situation ________ it got worse.
人工降雨是用飞机在空中喷洒干冰(固态二氧化碳),干冰在空气中迅速____ ,使空气温度急剧下降,空气中的水蒸气遇冷____ 成小水珠或凝华成小冰粒,从而实现降雨。(填物态变化的名称)
Jennifer is five years old now and she can dress h ____ every morning.