The word "currency"(line 2, para. 2)most probably means "______".
A. money
B. prevalence
C. codec
D. understanding
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According to the text, researchers disagree over______.
A. the existence of emotional intelligence
B. the importance of aptitude testing
C. how to measure emotional intelligence
D. whether or not accounting is important to the study of emotional intelligence
在要求供电可靠性较高的工厂供电系统不宜采用:()
A 熔断器保护
B 低压断路器保护
C 低压自动开关保护
D 继电保护
电流互感器的结线方式有四种,在负荷不平衡的三相系统中一般采用()结线:
A 一相式
B 两相V形
C 两相电流差
D 三相结线