施工成本控制中最具实质性的一步是()。
A.比较
B.分析
C.纠偏
D.检查
参考答案:C
夜里12时用24时记时法可以表示为0:00,也可以是24:00。[ ]
As we all know, the number of Tibetan antelopes(藏羚羊) ________ becoming ___________.
A.is; less and less
B.are; less and less
C.is; smaller and smaller
D.are; smaller and smaller