发电机定子绕组的绝缘电阻值,在热状态下应不低于每千伏电压()。
A.0.1MΩ;
B.0.5MΩ;
C.1MΩ;
D.1.5MΩ。
参考答案:C
从Ⅱ栏中选出Ⅰ栏各句的应答语。
Ⅰ Ⅱ
小题1:Nice to meet you. A. They’re 30 yuan.
小题2:Where does your brother work? B. I want a skirt for my daughter.
小题3:What can I do for you? C. Some milk, please.
小题4:Would you like something to drink? D. Nice to meet you, too.
小题5:How much are the pants? E. He works in a hospital.
下列哪一选项体现了宪法序言是国家总纲领的思想?()
A.宣告该国民主政治的建立
B.明确规定该国在一定历史时期的根本任务
C.指导具体宪法规范、普通法律原则和规范的制定和实施
D.记载一国革命历史的发展