题目

如图所示的电路,电源电压为6V,灯泡L1和L2均标有“6V 6W”字样,开关原来都是断开的,灯泡的电阻不随温度变化。如果同时闭合开关S1、S3 , 电流表的读数是A;如果只闭合开关S2 , 电路消耗的总功率是W. 答案:【1】2【2】3--Garth Brooks’ records sell well. He has sold more than 120 ____ records. --But I still hope to see him live one day.A.millionsB.millions ofC.millionD.million of
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