两次原材料采购的间隔中，为保证生产继续进行而保存的库存，属于（）的库存。
A.预期
B.运输过程中
C.起分解作用
D.周转性
参考答案：D
—Why did she speak very ________?
—Didn't you see she was so ________? [ ]
A. slow, sadly
B. slowly, sadly
C. slow, sad
D. slowly, sad
理论空气量、实际空气量
