论文部分内容阅读
六、安徽省 (243132 安徽省当涂新博二中陶乃文供) 24.如图中A、B两点均是灯头接导线的螺丝.当电路中的开关都断开时,站在地上的人用手接触电路中的A点,他
6. Anhui Province (243132 Anhui Dangtuo Bozhong Zhong Taoaiwen) 24. The two points A and B in the figure are the screws connecting the lamp head to the wire. When the switches in the circuit are all disconnected, the person standing on the ground with hands Touch point A in the circuit, he