检测线路和电气设备的绝缘电阻应使用()。
A.兆欧表;
B.万用表;
C.钳形电流表;
D.接地电阻测试仪。
参考答案:A
Hearing the 2008 Beijing Olympic Games ____ __, all the people in the Bird Nest burst into cheers.
A.declared to be opened
B.declaring to be opened
C.declared open
D.declaring open
按规定要给职工配备必须的()用品。