《断路器技术条件》中规定:500kV及以以上电压等级断路器额定热稳定时间为()。
A.1s
B.2s
C.3s
D.4s
参考答案:C
补写出下列名篇名句中的空缺部分。
(1)且夫天地之间,物各有主,___________,___________。(苏轼《赤壁赋》)
(2)然而禽鸟知山林之乐,而不知人之乐;___________,___________。(欧阳修《醉翁亭记》)
(3)大弦嘈嘈如急雨,小弦切切如私语。___________,___________。(白居易《琵琶行》)
His parents died when he was very young,so he was
by his grandmother.
A.brought up
B.grown up
C.taken up
D.picked up