电疗法分类依照()
A.电流频率
B.强度
C.电功率
D.电压
E.温度
参考答案:A
如图,两只相同的温度计,其中包有湿棉球的示数较低,原因是( )
A.水蒸发放热
B.水蒸发吸热
C.水凝固放热
D.水凝固吸热
He is ill. I want to cook _____ for him to eat.[ ]
A. anything different
B. different anything
C. something different