费用按经济用途进行分类包括()。
A.期间费用
B.固定费用
C.直接费用
D.变动费用
E.生产成本
参考答案:A, E
颅内压增高的颅脑手术患者,理想的红细胞比容为()
A.45%~50%
B.35%~45%
C.35%~40%
D.30%~35%
E.25%~30%
—How did you _____ the old book?
—I sold them. [ ]
A. do with
B. deal with
C. think of