智能照明系统调控装置能将输出电压维持在()的范围内,以便有利于节能,延长灯的寿命,保持照度恒定和光色稳定。
A.±2%;
B.±5%;
C.±9%;
D.±11%
参考答案:A
He lost both of his parents in the big earthquake, but for him, a kind couple adopted him and took good care of him.
A.suddenly
B.naturally
C.obviously
D.luckily
在广东农村信用社中间业务银保通过账的后续处理中,以下应作为当日传票保存的材料是()
A.客户提交的数据单
B.打印的过账清单
C.打印的业务交易单
D.打印的调账结果