《国家电网公司2011年新建变电站设计补充规定》要求,间隔层交换机宜按电压等级分别组柜,每面柜布置()台交换机
A.2~4
B.2~6
C.4~6
D.4~8
参考答案:C
Mary is a humorous and warm-hearted woman and that is she is a most popular person in her community.
A.why
B.because
C.how
D.whether
“黄梅调电影”是以什么剧为基调()?
A、京剧
B、越剧
C、黔剧
D、川剧