【简答题】降价的原则有控制好成本、要有的放矢、做好服务、____________。
【单选题】在形体训练中,双臂保持弧形上举,是()手。
【单选题】The differences between a research article and a review article mainly falls on:
A.
the number of researches covered in the article
B.
the difference between primary research and secondary research
C.
the literature section
【简答题】在芭蕾形体训练中,双臂保持弧形上举是()位手。
【单选题】Compared with that article, this article is but not _.
【单选题】在形体训练中,双臂保持弧形上举,是〈〉手。
【判断题】消除污染源是降低有毒金属元素对食品污染最主要措施
【判断题】消除污染源是降低有毒金属元素对食品污染最主要的措施。