下列说法中正确的是( )
A:分子势能随分子间距离的增大而减小
B:超级钢具有高强韧性,其中的晶体颗粒有规则的几何形状
C:压强为1atm时,一定量的水蒸发为同温度的水蒸气,吸收的热量等于其增加的内能
D:水的温度升高时,水分子的速度都增大
— .We are very tired after running.
Most students would like to the English Club. They want to improve their English.