阿霉素抗肿瘤作用的机制为
A．干扰DNA复制
B．影响核酸生物合成
C．干扰转录，抑制mVA合成
D．影响蛋白质合成
E．影响激素平衡
参考答案：A,C
The best way to compute an inventory turnover ratio is to use:（）
A. LIFO for COGS and FIFO for average inventory.
B. FIFO for both COGS and average inventory.
C. LIFO for both COGS and average inventory.
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