如图所示的电路，电源电压保持不变，滑动变阻器的滑片P置于中点位置．闭合开关后，电压表示数为U，电流表A₁、A₂示数分别为I₁、I₂，且灯丝电阻不变，下列分析正确的是（　　）

下列句子中，划线的成语使用恰当的一句是（  ）

A

Mikey：I will(将)meet some friends after breakfast．And I'll go to the supermarket (超市)after that．Do you need(需要) anything, Mom?

Mom：Oh, yes please．We need some chicken for lunch．

Mikey：OK. What about fruit?

Mom：I want some bananas, strawberries, and pears．We can have fruit salad for dinner． Oh, can you get four tomatoes and two carrots too?

Mikey：Sure. I'll buy some chicken, fruit, tomatoes and carrots．Any bread or milk?

Mom：No, we have much．Oh, we don't have eggs．

Mikey：OK．I'll buy some．

Morn：Thank you, Mikey．You can buy ice-cream for yourself．

Mikey：That's great! I like it．

Mom：Let's have breakfast first．

Mikey：OK．

根据材料内容选择最佳答案。

A.       B.       C.