题目

在如图所示的电路中，电源电动势为E=6V，内电阻r=5Ω，小灯泡甲的规格是“3V，0.3A”。为使小灯泡甲最亮，小灯泡乙应选择 （ ）A．“3V，0.3A”  B．“3V，0.2A”  C．“2V，0.1A”  D．“6V，1.2A”   答案：D解析:略 读对话，选择正确的答案Chen Jie’s mum: Dinner’s ready.Help yourself.Children: Thanks.Chen Jie: What would you like, Amy?Amy: I’d like some fish, please.Chen Jie: Would you like some soup? Amy: No, thanks.I’d like some juice.Chen Jie: What would you like, Sarah?Sarah: I’d like some beef.Chen Jie: Would you like some soup?Sarah: Yes, please.Chen Jie: I’d like some chicken and noodles.A. B. C. D. E. F.【1】Chen Jie______________【2】Amy________________【3】Sarah______________