不接地系统发生单相接地故障时，非故障相电压变为原来故障之前相电压的（）倍。
A.1
B.√3
C.1.5
D.2
参考答案：B
Under the cost recovery method, profit is recognized:（）
A. as collection occurs.
B. after the amount of cost has been collected.
C. at time of delivery.
合同到期导致失业，能否申领失业金？现行青岛失业金每月有多少？
