选择正确的选项补全对话。
A. welcome
B. water
C. Thank
D. like
E. Here
Tom: I'm thirsty. Can I have some ____?
Amy: Sure. ____ you are.
Tom: ____ you. I'd ____ an egg, please.
Amy: Here you are.
Tom: Thanks.
Amy: You are ____.
小科想测量某个仅标有“0.25 A”字样的灯泡的额定功率。电源电压为6V且恒定。
