已知1m 3 C25混凝土含32.5级水泥470kg,中砂0.682t,碎石1.176t,水0.21m 3 ;水泥预算价格为0.28元/kg,中砂预算价格为38.00元/t,碎石预算价为27.80元/t,水预算价为2.80元/m 3 ,该1m 3 混凝土的材料预算价为( )元。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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