we go there once or twice a month. [ ]
B. May be
C. Maybe
D. Be
答案:C
前台在受理有线宽带拆机业务时,受理后上网功能何时关闭?()
A.当天
B.第二天
C.次月
如果原煤中的细粒级的灰份越低,且含量又高,说明煤脆易碎。