经济合理地选择采购对象和采购批量,并按质、按量、按时运入企业,对于充分发挥材料使用效能具有重要的意义。
参考答案:对
第二节:根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。(满分5分)
---Do you have any shoes like these?
--- What size?
--- 56
--- I'm sorry. We don't have any.
--- 57
--- Did she buy them here?
--- 58
--- We had some shoes like those a month ago, but we don't have any now.
--- 59
--- I am afraid that I can't. They were in fashion last year. But they're not this year. Look, these shoes are in fashion now.
--- 60
--- They are very uncomfortable. But women always wear uncomfortable shoes.
A. Size five.
B. Can you get a pair for me, please?
C. No, she bought them in the U.S.A.
D. They look very uncomfortable.
E. What color?
F. But my sister bought this pair last month.
G. Yes, they are.
如果某处既存在轨向不平顺又存在水平三角坑,那么这种不平顺哪种说法正确?()。
A、复合不平顺
B、垂向不平顺
C、横向不平顺
D、逆向复合不平顺