第13题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She doesn’t like her trip to Arizona. B. She is looking forward to her trip to Arizona. C. She enjoyed her trip to Arizona greatly. D. She wants the man to go with her to Arizona. 参考答案:C 答案解析:[听力原文]
M: How did you like your trip to Arizona this winter break I heard that you spent almost a
第29题: [单项选择]大剂量咖啡因对心血管的作用错误的是() A. 使心率加快 B. 血压升高 C. 舒张胆道 D. 抑制胃酸分泌 E. 心律失常 参考答案:D 答案解析:大剂量咖啡因能使心率加快,敏感个体可有心律失常,直接兴奋延脑呼吸中枢和血管运动中枢,使呼吸加深加快,血压升高;此外,还能舒张胆道和支气管平滑肌、利尿及刺激胃酸分泌,所以答案为D。
第30题: [单项选择]便秘发生率最高的降压药是() A. 氢氯噻嗪 B. 维拉帕米 C. 氯沙坦 D. 普萘洛尔 E. 卡托普利 参考答案:B