不能用于治疗单纯疱疹的物理方法是（）
A.超短波
B.紫外线
C.脉冲磁疗
D.毫米波
E.超声治疗
参考答案：E
The cash conversion cycle is the:（）
A. sum of the time it takes to sell inventory and the time it takes to collect accounts receivable.
B. length of time it takes the firm to pay the credit extended to it for purchases.
C. sum of the time it takes to sell inventory and collect on accounts receivable, less the time it takes to pay for credit purchases.
荷马史诗的思想内容。
