属于加油站变动费用预算的项目()。
A.办公费
B.清洁费
C.维修费
D.物料消耗
E.低值易耗品
参考答案:C, D, E
By August the flowers _____.
A.die
B.will die
C.are to die
D.will have died
晶簇的几何淘汰律