为防止某些发电机组因检修或故障停机影响电力网的正常运行,在电力系统中应至少有()的备用容量。
A、10%~15%
B、10%~20%
C、15%~20%
D、5%~15%
参考答案:A
_________good service, the restaurant offers different kinds of traditional Fujian dishes.
A.Far from
B.Apart from
C.Instead of
D.Regardless of
怎样理解新闻原来是一种信息