题目

At dawn as I opened my eyes, a Blue Angel flew above me with high speed. My parents were _________ on the boat while my _________ dangled (悬着) their legs over the bow, smiling together. Countless boats, filled with families and friends enjoying each other’s _________, anchored in Lake Erie around us. Another _________ flew past, causing a loud sound. I thought about how quickly the world moves, and how few people _________ the one thing that time cannot change — relationships.Pilots in their jets flew by at high speeds. At that moment, our lives seemed _________ quiet and slow. These p6．关于家庭电路和安全用电，下列选项中正确的是（　　）A．用湿布擦拭正在工作的台灯B．在未断开电源开关的情况下更换灯泡C．我国家庭电路的电压值为380VD．家庭电路中必须安装保险丝或空气开关