题目

电阻，，并联接在电压为的电路中，则R1、R2两端的电压之比为________，通过它们的电流之比为__________。 答案：【答案】1∶1 3∶1 【解析】[1]两个电阻并联在电路中，由并联电路电压的规律可知两个电阻两端的电压相等，电压之比为1∶1。[2]通过它们的电流之比为  ----You just think of yourself! You kept me waiting for at least three hours． ----I am sorry that you _____ think so.    A．would                   B．might            C．could                  D．should