在三相负荷不平衡率大于10%的1200V及以上的电力用户线路,应采用三只电流表分别测量三相电流。( )
参考答案:对
— You haven’t said a word about my new coua, Brenda. Do you like it ?
— I’m sorry, I _____ anything about it sooner. I certainly think it’s pretty on you.
A.wasn’t saying
B.don’t say
C.won’t say
D.didn’t say
假设先付年金和普通年金的期数和年金额相同,在利率为12%的情况下,已知先付年金的现值为120元.则普通年金的现值为()元。
A.134.4
B.107.14
C.136.36
D.105.6