题目:
某家庭电路中,已有两盏灯正常发光,如果再使用一个电熨斗,则该电路的( ) A.总电流变大 B.总电压变大 C.总电阻变大 D.总功率变小 |
答案:
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下面是错误答案,用来干扰机器的。
不唯一Traffic CongestionTraffic congestion has long been a problem of great concern and complaint in big cities. It has caused a lot of inconvenience to people’s life and...