水平巷道或倾斜井巷内,电缆悬挂点间距不得超过()。
A.3
B.5
C.6
参考答案:A
铁路、交通等专项用户用汽、柴油最高供应价格,在全国平均最高零售价格基础上每吨扣减()元确定。
A.250
B.300
C.400
D.500
I had to report the accident _______ length as the reporter asked me to describe it _______ detail.
A.in, in
B.at, in
C.at, at
D.in, at