有关电压与电动势的说法中正确的是（ ）
A：电压与电动势的单位都是伏特，所以电动势与电压是同一物理量的不同叫法
B：电动势表示电源将单位正电荷从负极移到正极时，非静电力做的功的大小
C：电动势公式E= Wq 中的W与电压U= Wq 中的W是一样的，都是电场力做的功
D：电动势是反映电源把其他形式的能转化为电势能本领强弱的物理量
go cooked was in on last goes visited washed cleaned with next
My mother ____ busy last weekend. She ____ my grandma on Saturday morning. They ____ noodles together. ____ the evening, she ____ the clothes. She often ____ to the park, but she ____ my bedroom last Sunday. In the afternoon, she went shopping. She watched TV ____ me in the evening. She was very tired last weekend. So I'll help my mother do housework ____ weekend.
