第11题: [单项选择]以下关于充分病因的正确陈述是() A. 寻找充分病因有利于彻底预防或根除疾病 B. 外围的远因不是充分的,但很接近疾病结局的近因是充分的 C. 单个的充分病因不存在,而多个病因可以组合成充分病因 D. 毒物是中毒死亡的充分病因 E. 充分病因正是概率因果观要抛弃的观念 参考答案:E
第18题: [单项选择]A. Producing and selling goods. B. The needs and wants of customers. C. The selling of new products. D. Moving goods to the market. 参考答案:A 答案解析:[听力原文] To understand the marketing concept, it is only necessary to understand the difference