题目

If the product is significantly different from ________ described in the ad, you have every right to complain to the local authority. A . one B . ones C . that D . those 答案：C家中电灯的正常工作电压为________伏．电灯与电键之间是________连接，电灯与电饭锅之间是________连接（选填“并联”或“串联”）．正常工作时，在相同时间内，通过电灯与电饭锅的电荷量________（选填“相同”或“不相同”）．