题目

—Anyway, I’ve decided to accept his suggestion. —_____ your mind is made up, I have nothing to say.   A. So that       B. As if           C. Even though       D. Now that 答案：D下表为一台电烤箱铭牌，其内部简化电路如图所示，R1和R2均为电热丝（假设电阻不随温度变化），求：××牌电烤箱额定电压220V额定功率高温档1100W低温档440W电源频率50Hz（1）电烤箱在低温档正常工作时的电流？（2）高温档正常工作5min消耗的电能？（3）电阻R2阻值？