A:雾的形成是汽化现象
B:水在沸腾时温度越来越高
C:树枝上的“雾凇”的形成是凝华现象
D:温度为0℃时,冰和水可能共存,但没有水蒸气
— Your car should be ready next Tuesday.
— We were ____ hoping you'd be able to do it by this Friday.
如图所示是一质点做直线运动的v﹣t图象,据此图象得到的结论是( )
that your crayon? Yes, .
一个梯形面积是200平方米,高是10米,下底是15米,上底是____米