问题
单项选择题
《灵枢·天年》说：“人之始生……以母为”（）。
A.基
B.楯
C.血
D.气
E.精
答案
参考答案：A
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《灵枢·天年》说：“人之始生……以母为”（）。
A.基
B.楯
C.血
D.气
E.精
参考答案：A
An analyst does research about cash conversion cycle and gathers the following information about two companies from the same industry:
| Company | Days of Receivables | Days of Payables | Days of Inventories |
| 1 | 18 | 10 | 22 |
| 2 | 20 | 17 | 27 |
A. less than that of company 2.
B. equal to that of company 2.
C. more than that of company 2.