对突发事故的处理，电力工人应具有（）、（）、（）、（）、果断处理的素质。
参考答案：临危不惧；临危不乱；临危不慌；临危不逃
There were not so many _____ in the ancient Olympic Games as ______ today. [ ]
A. events; are
B. competitions; there have
C. events; there are
D. competitions; there are
电流表测量电流时错误的是（）。
A.调零
B.超过量程
C.测量无电压的导体
D.最好不超过量程的2/3
