第10题:[单选题] 某客户,三相四线电能计量装置,电压cba,电流abc(IaIb-Ic)TA3极性反,TA接地,该错误接线的功率表达式为(____)。 A. P=3UISinφ B. P=(1/2)UICosφ-(3/2)UISinφ C. P=(1/2)UICosφ+(3/2)UISinφ D. P=UICosφ-1.732UISinφ 参考答案:D
参考答案:the children are deprived of the opportunity of learning 答案解析:考查短语搭配。“被剥夺”可译为短语be deprived of,如:She was deprived of her dream by the cruel reality.残酷的现实让她的梦想化为乌有。