表达式Max("a","ab")+Min("C","CD")的值是()。
A.aC
B.abCD
C.abC
D.aCD
参考答案:C
It is postulated that population trends have an effect on economic fluctuations.
A.challenged
B.assumed
C.deducted
D.decreed
下列关于胎儿药动学特点的叙述,错误的是()
A.药物代谢能力低
B.药物排泄缓慢
C.肝内药物浓度高
D.易形成羊水肠道循环
E.用药治疗时,应选用易经胎盘代谢、能保持药效的药物