第21题: [单项选择]What does the man imply [A] The coke costs nothing. [B] There is no coke here. [C] The coke has sold out. 参考答案:A 答案解析:[听力原文] F: Can I have some coke How much are they M: Oh... they are for free here.
第29题: [单项选择]以下引起急性胰腺炎的原因中,最常见是() A. 胆、胰管开口梗阻,胆汁逆流 B. 饮酒 C. 流行性腮腺炎 D. 穿透性消化溃疡 E. 胰腺外伤 参考答案:A 答案解析:考察胰腺炎的发病因素。饮酒、流行性腮腺炎、穿透性消化性溃疡和胰腺外伤均是胰腺炎的病因,但最常见的病因是各种原因引起的胰、胆管开口梗阻,胆汁逆流。故答案应选A。