问题
问答题 简答题
大型公用建筑和民用建筑照明通电试运行的目的是什么？为何试运行时间不同？
答案
参考答案：
大型公用建筑以检查整个照明工程的发热稳定性和安全性。同时也可以暴露一些灯具和光源的质量问题。民用建筑以检查线路和灯具的可靠性和安全性，但由于容量与大型公用建筑相比要小，故而通电时间较短。
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大型公用建筑和民用建筑照明通电试运行的目的是什么？为何试运行时间不同？
参考答案：
大型公用建筑以检查整个照明工程的发热稳定性和安全性。同时也可以暴露一些灯具和光源的质量问题。民用建筑以检查线路和灯具的可靠性和安全性，但由于容量与大型公用建筑相比要小，故而通电时间较短。
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| Kenny and Bobbi McCaughey live in Iowa. They have a big family. Mikayla is the oldest child in the family. She is six years old. The other children are Brandon, Joe, Kelsey, Kenney, Natalie, Alexis and Nathan. They are all five years old. Why are they all the same age? ______ (1). They are septuplets! It is hard work to look after seven babies at the same time. ______ (2). In the beginning, many people helped them. They helped to feed, clean, and dress the babies. Every week, the septuplets used about 170 diapers (尿布)!______ (3). Now the children are older. The septuplets started school this year. But they go to school at home, like their big sister, Mikayla. When Mikayla was ready for school, Kenny and Bobbi decided to teach her at home. ______ (4). Now Bobbi is the teacher for all eight of her children.
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