第3题: [单项选择]服用抗结核药主要影响哪种营养素()。 A. 维生素B6 B. 叶酸 C. 维生素B12 D. 维生素E E. 钙 参考答案:A 答案解析:1.抗痛风药、抗凝血药、钾剂补充品可能会妨碍消化道对维生素B的吸收。2.小肠疾病能干扰食物叶酸的吸收和经肝肠循环的再循环过程,故叶酸缺乏是小肠疾病常见的一种并发症。抗疟药会妨碍消化道对叶酸的吸收。3.
第31题: [单项选择]An analyst does research about debt covenants. Which of the following least likely lowers the risk to creditors A debt covenant specifying a minimum level of the borrower's: A. current ratio. B. dividend payout ratio. C. interest coverage ratio. 参考答案:B 答案解析:[解析] current ratio= current assets/current liabilities interest coverage ratio=earnings before inter