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
下列属于外科营养支持中技术性并发症的是()
A.细菌或真菌性败血症
B.血清电解质紊乱
C.胆汁淤积
D.胸导管损伤
E.高氯性代谢性酸中毒
For women life sometimes seems ____ it is for men.
A．twice as hard as
B．as twice hard as
C．as hard twice as
D．as hard as twice
