题目

 If it is a sunny day tomorrow, let’s ______it and go swimming in the South Lake. A. make use of     B. be made of C. make up    D. make up of 答案：A将标有“220V 25W”的L1和标有“220V 40W”的L2先并联起来接到220V的电路中，后串联起来接入同一电路，则（　　）A．两种情况下两灯泡都能正常发光B．两种情况下两灯泡都不能正常发光C．串连接入时两灯消耗的总功率比并联时大D．串连接入时L1比L2亮