要根据微电网中负荷的需求来确定保护的方案,也即要根据负荷对电压变化的敏感程度和控制标准来()保护。
A.配置
B.整定
C.调整
D.控制
参考答案:A
从方框中选适当的选项补全对话。
A:Hi, Tom. You look so worried. 小题1:
B:We are going to have a basketball game against Class Two. But Jack fell ill. He can’t take part in it.
A:I am sorry to hear that.
B:David, 小题2:
A:Sure. What is it?
B:小题3:
A:I’d be glad to. But I’m not good at playing basketball.
B:Never mind. I’m sure you can do it well.
A:I will do my best. 小题4:
B:Of course not. 小题5:
A:OK. Thank you very much. See you later.
B:See you.
用短除法把下面各数分解质因数.
9&nbup;&nbup;16
5t&nbup;&nbup;六2
t5&nbup;&nbup;56&nbup;&nbup;6t
9n&nbup;&nbup;t9&nbup;&nbup;96.