少尿是指每日尿量为()
A.<800ml
B.<600ml
C.<400ml
D.<200ml
参考答案:C
I often ____ some help ____ my teacher, [ ]
A. give; to
B. get; from
C. bring; from
D. take; to
请问矿井涌水量年平均在180-600m3之间的矿井水分地质类型为?