第39题:[单选题] Insurance companies' attempts to minimize adverse selection and moral hazard explain which of the following insurance practices? A. Gender-neutral premiums B. Flat-rate premiums C. Restrictive provisions D. All of the above E. Only A and B of the above 参考答案:C
第40题: [单项选择]确定归经学说的依据是() A. 阴阳学说 B. 五行学说 C. 脏腑经络理论 D. 药性理论 E. 所治病证 参考答案:E 答案解析:中药归经理论的形成是在中医基本理论指导下以脏腑经络理论为基础,以药物所治疗的具体病证为依据,经过长期临床实践总结出来的用药理论。故应选E。