摇测二次线整体绝缘时,应注意()
A、断开本路交直流电源
B、断开与其他回路的连线
C、拆开电流回路及电压回路的接地点
D、摇测完毕应恢复原状
参考答案:A, B, C, D
The cause he had devoted himself to __________a perfect success.
A.proving
B.proved
C.was proved
D.has been proved
在“哀帝复使向子侍中奉车都尉歆卒父业”中,“卒”之义为()
A.继承
B.持续
C.完成
D.终了