强夯置换时,夯孔施打顺序宜()隔空分序跳打方式,逐一完成全部夯点施工。
A、由外向内
B、由内向外
C、没有要求
参考答案:B
To my _____, he won the first prize in the English competition.[ ]
A. surprise
B. surprises
C. surprised
D. surprising
成本水平领先策略的含义?